Light element IBA by Elastic Recoil Detection and Nuclear Reaction Analysis R. Heller
|
|
- Lawrence Moore
- 6 years ago
- Views:
Transcription
1 Text optional: Institute Prof. Dr. Hans Mousterian Mitglied der Leibniz-Gemeinschaft Light element IBA by Elastic Recoil Detection and Nuclear Reaction Analysis R. Heller
2 IBA Techniques slide 2
3 Contents Elastic Recoil Detection Analysis Basic Properties / Kinematics / Cross Sections Energy Loss / Stopping Straggling Experimental Setup(s) Examples Nuclear Reaction Analysis Principle 15 N Method for H profiling Further nuclear reactions Non-Rutherford Backscattering slide 3
4 Basic properties Commonly used surface / near surface analysis technique Gives information on (light) elemental composition & on particular element s depth profiles Non-destructive (in most cases) Quantitative method that does not require any standard Very sensitive to light elements Needs energetic (usually MeV) ions as probe need for accelerator slide 4
5 Basic properties A heavy MeV ion hits the surface with energy E a under a small angle α Ion penetrates the sample and is scattered at a target atom in depth x under a certain scattering angle θ Recoil ion is detected by an mass and energy dispersive detection system Detected energy reveals depth profile of a certain element in the sample Detector E x E in x E out x Energy to depth conversion: k E E x E x p in out Energy loss of the incident ions on the way in Energy loss of the recoils or scattered ions on the way out x slide 5
6 Kinematics Elastic scattering in pure coulomb potential no excitation Energy and momentum conservation E 1,v 1 M 1, v 0, E 0 E 0 = E 1 + E 2 M 2 E 2, v 2 M 1 v 1 cos Q M 1 v 1 sin Q ( ) + M 2 v 2 cos( F) = M 1 v 0 ( ) - M 2 v 2 sin( F) = 0 slide 6
7 Kinematics E 1 = k S E 0 æ k S = ç ç è M M 1 2 sin 2 ( Q) + M 1 cos( Q) M 1 + M 2 ö ø 2 E 1,v 1 M 1, v 0, E 0 M 2 E 2 = k R E 0 k R = 4M M 1 2 cos2 M 1 + M 2 ( ) 2 ( F) E 2, v 2 slide 7
8 Kinematics E 2 = k R E 0 k R = 4M M 1 2 cos2 M 1 + M 2 ( ) 2 ( F) Highest sensitivity (biggest slope of k) for small recoil mass and heavy ion mass K. Mizohata, Thesis, 2012 slide 8
9 Cross sections ds R dw = æ e 2 Z 1 Z ç 2 è8pe 0 E 0 ö ø 2 ( 1+ M 1 M 2 ) cos 3 F K. Mizohata, Thesis, 2012 slide 9
10 Shielded cross sections Shielding by shell electrons at low projectile velocities Described by shielding factor F ( E,Q) s ( E,Q) = F( E,Q)s R ( E,Q) Shielding factor is obtained by solving scattering equations for the screened inter-atomic potential: V( r) = Z 1Z 2 e 2 r j æ ç r ö è a ø F ( E,Q) j screening function Thomas Fermi / Lens Jensen a screening radius a 0 Bohr radius a = 0.885a ( Z Z 3 ) slide 10
11 Shielded cross sections L Ecuyer et al. (1979) Wenzel & Whaling (1952) s = Z Z s R E CM s = Z Z s R E CM Andersen et al. (1980) s s R = æ 1+ 1 V 1 ö ç è 2 E CM ø ìï 1+ V é 1 V + 1 ù í ê ú îï E CM ë2e CM sinq CM 2û 2 ( ) 1 2 V 1 = Z 1 Z 2 Z Z üï ý þï 2 slide 11
12 Energy loss and stopping Electronic stopping o Andersen, Ziegler (1977): H, He in all elements o Ziegler, Biersack, Littmarck (1985): All ions in all elements o Several SRIM-versions since then o Additional work by Kalbitzer, Paul, o Accuracy: 5% for H, He 10% for heavy ions Nuclear stopping o Only important for heavy projectiles and for low velocities o Ziegler, Biersack, Littmarck (1985): All ions in all elements using ZBL potential slide 12
13 Evaluation of energy vs. depth Energy in depth x? E( x) = E( 0) + de + 1 d 2 E dx x=0 2 x2 + 1 d 3 E dx 2 6 x3 dx x=0 de dx = -S d 2 E dx = d 2 dx -S d 3 E dx 3 ( ) = - ds de =... = -S''S2 - S' 2 S de dx = S'S ( ) E( x) = E 0 - xs+ 1 2 x2 SS'- 1 6 x3 S''S 2 + S' 2 S E 0 x x must be small enough!! S, S and S evaluated at x = 0 slide 13
14 Energy straggling Stopping of ions in solids is a statistical process that leads to a spread of the beam energy energy straggling Electronic energy loss straggling due to statistical fluctuations in the transfer of energy to the electronic sub-system Nuclear energy loss straggling due to statistical fluctuations in the nuclear energy loss Geometrical straggling due to finite detector solid angle and finite beam spot size Multiple small angle scattering Surface and interlayer roughness slide 14
15 Energy straggling Electronic energy loss straggling Fluctuations in the transfer of energy to the target electrons lead to fluctuations in the energy loss After passing a layer of thickness Δx: E = E 0 - SDx 10% Vavilov theory low number of ion-electron collisions 10-20% Bohr theory large number of ion-electron collisions 20-50% Symon theory non-stochastic broadening almost Gaussian 50-90% Energy below stopping power maximum non-stochastic squeezing due to stopping non-gaussian slide 15
16 Energy straggling Bohr theory Bohr 1948 (N. Bohr, Mat. Fys. Medd. Dan. Vid. Selsk. 18 (1948) ) Valid for intermediate energy losses o large number of ion-electron collisions o Gaussian energy distribution with tail towards low energies Approximations: o Ions penetrating a gas of free electrons o Ions are fully ionized o Ion velocity >> electron velocity stationary electrons o Stopping power effects are neglected 2 s Bohr = 0.26Z 1 2 Z 2 Dx slide 16
17 Multiple (small angle )scattering Small angle scattering has high cross sections Path length differences on ingoing and outgoing paths energy spread Spread in scattering angle energy spread of starting particles P. Sigmund and K. Winterbon, Nucl. Instr. Meth. 119 (1974) 541 E. Szilagy et al., Nucl. Instr. Meth. B100 (1995) 103 slide 17
18 Multiple (large angle) scattering Same scattering angle but different energies Most prominent at very low velocities W. Eckstein and M. Mayer, Nucl. Instr. Meth. B 153 (1999) 337 slide 18
19 Roughness Two different cases of roughness Rough layer on smooth substrate Smooth layer on rough substrate Different path length for incoming and outgoing projectile different energies broadening d p(d) From SIMNRA User s Guide, M. Mayer slide 19
20 Experimental setup Bragg Ionization-Chamber Si-Det.-Telescope +Al or Mylar-foil E E Rotating vane 35 MeV Cl 7+ TOF-Telescope Sample Start Monitordetector Stop Ionization Chamber slide 20
21 Experimental setup BIC Chamber Ion beam Load lock TOF E-detector slide 21
22 Recoil detection using a Bragg chamber Particle identification in Bragg ionization chamber by Pulse shape discrimination K FG A i e de dx Z 1 Z 2 Scatt. ions Recoils x t -3000V +600V =100 ns BP Z E = 3 s Entrance window: Si 3 N 4 Thickness: 350 nm Gas: 99.95% Isobutene Pressure: mbar slide 22
23 Concentration (at%) Elastic Recoil Detection Example I 2D-intensity map data evaluation Depth profile 80 Sample: C:Co (30) 300 C C Co O Si 10 0 H Depth (nm) slide 23
24 Example II A. Blazevic et al. HMI Berlin slide 24
25 Recoil detection using a Time of Flight detector K. Mizohata, Thesis, 2012 slide 25
26 Example III K. Mizohata, Thesis, 2012 slide 26
27 Nuclear Reaction Analysis Basics From Yield of reaction products proportional to concentration of reaction partner Commonly use for analysis of light elements as H, Li, Be, B, C, N, O, F, Na, Al and P Absolute measurement by use of standards Narrow resonances (100eV to some kev) can be use for depth profiling slide 27
28 Nuclear Reaction Analysis Hydrogen depth profiling by 15 N method 15 N + 1 H 12 C + 4 He + g-rays (4.43 MeV) incidence ion: beam current: 15 N, to 12 MeV na 8 nm Si beam spot: 1-25 mm 2 detector: detection limit: analysis depth: depth resolution: 4" x 4" BGO 0.1 at% 15 N 2+ beam up to 5 µm (depends on material) MeV resonance energy ~ 8 nm (Si), min. 1 nm (grazing incidence) slide 28
29 Nuclear Reaction Analysis Hydrogen depth profiling by 15 N method 4-axis sample manipulator Transfer chamber Ion beam 15 N High voltage feed through BGO detector slide 29
30 Nuclear Reaction Analysis Hydrogen depth profiling by 15 N method Verification of fluence and profile for H implantation in Si slide 30
31 Hydrogen concentration (at.%) Nuclear Reaction Analysis Hydrogen depth profiling by 15 N method Al 2 O 3 layers H 2 annealed N 2 annealed H depth profiling of Al 2 O 3 and ZrO 2 layers with nm resolution ZrO 2 layers Depth (nm) slide 31
32 Nuclear Reaction Analysis Further nuclear reactions And many more to be found in literature slide 32
33 Non-Rutherford Backscattering 12 C(α, α) 12 C Small cross sections at E < 3 MeV not suitable for BS High & smooth cross section around 4 MeV 4270 kev: o maximum sensitivity J.R. Tesmer and M. Nastasi, Handbook of Modern Ion Beam Materials Analysis, MRS,1995 slide 33
34 Non-Rutherford Backscattering 14 N(α, α) 14 N Small cross sections at E < 3 MeV not suitable for BS Several useful resonances at higher energies J.R. Tesmer and M. Nastasi, Handbook of Modern Ion Beam Materials Analysis, MRS,1995 slide 34
35 Non-Rutherford Backscattering 16 O(α, α) 16 O Widely used resonance at 3040 kev J.R. Tesmer and M. Nastasi, Handbook of Modern Ion Beam Materials Analysis, MRS,1995 slide 35
36 Non-Rutherford Backscattering 27 Al(α, α) 27 Al and Si(α, α)si Many small resonances Small cross sections not suited for BS J.R. Tesmer and M. Nastasi, Handbook of Modern Ion Beam Materials Analysis, MRS,1995 slide 36
37 Non-Rutherford Backscattering 12 C(p, p) 12 C High to very high cross section above 500 kev 1500 or 2500 kev: o smooth cross section o easy data evaluation, thick layers 1740 kev: o maximum sensitivity M. Mayer, 2003 slide 37
38 Non-Rutherford Backscattering 14 N(p, p) 14 N Partially very high cross section, but Large scatter in available cross section data M. Mayer, 2003 slide 38
39 Non-Rutherford Backscattering 16 O(p, p) 16 O High to very high cross section above 2 MeV 1500 or 2500 kev: o smooth cross section o Same as for C 3470 kev: o maximum sensitivity M. Mayer, 2003 slide 39
40 Non-Rutherford Backscattering 27 Al(p, p) 27 Al Small cross sections Many resonances Large scatter complicate spectrum not suitable for BS M. Mayer, 2003 slide 40
41 Non-Rutherford Backscattering Si(p, p)si Small cross sections suitable for background suppression if Si is bulk material 1500 or 1600 kev: o Small background 1670 & 2090 kev: o maximum sensitivity M. Mayer, 2003 slide 41
42 Summary ERD, NRA and Non-Rutherford BS deliver information on light elemental composition and depth profiles of light elements Sensitivity down to <0.1 at% possible Depth resolution of a few nm can be achieved Non-destructive (in most cases) Quantitative Accelerator needed Thank you for your attention! slide 42
Joint ICTP/IAEA Workshop on Advanced Simulation and Modelling for Ion Beam Analysis February 2009
015-0 Joint ICTP/IAEA Workshop on Advanced Simulation and Modelling for Ion Beam Analysis 3-7 February 009 Introduction to Ion Beam Analysis: General Physics M. Mayer Max-Planck-Institut fuer Plasmaphysik
More informationRBS - Rutherford Backscattering Spectrometry M. Mayer
RBS - Rutherford Backscattering Spectrometry M. Mayer Max-Planck-Institut für Plasmaphysik, EURATOM Association, 85748 Garching, Germany History Scattering geometry and kinematics Rutherford cross section
More informationde dx where the stopping powers with subscript n and e represent nuclear and electronic stopping power respectively.
CHAPTER 3 ION IMPLANTATION When an energetic ion penetrates a material it loses energy until it comes to rest inside the material. The energy is lost via inelastic and elastic collisions with the target
More informationMax-Planck-Institut für Plasmaphysik, EURATOM Association POB 1533, D Garching, Germany
DEPTH PROFILE REONSTRUTION FROM RUTHERFORD BAKSATTERING DATA U. V. TOUSSAINT, K. KRIEGER, R. FISHER, V. DOSE Max-Planck-Institut für Plasmaphysik, EURATOM Association POB 1533, D-8574 Garching, Germany
More informationMS482 Materials Characterization ( 재료분석 ) Lecture Note 5: RBS
2016 Fall Semester MS482 Materials Characterization ( 재료분석 ) Lecture Note 5: RBS Byungha Shin Dept. of MSE, KAIST 1 Course Information Syllabus 1. Overview of various characterization techniques (1 lecture)
More informationAnalysis of light elements in solids by elastic recoil detection analysis
University of Ljubljana Faculty of mathematics and physics Department of physics Analysis of light elements in solids by elastic recoil detection analysis 2nd seminar, 4th year of graduate physics studies
More informationSilver Thin Film Characterization
Silver Thin Film Characterization.1 Introduction Thin films of Ag layered structures, typically less than a micron in thickness, are tailored to achieve desired functional properties. Typical characterization
More informationNuclear Reaction Analysis (NRA)
Nuclear Reaction Analysis (NRA) M. Mayer Max-Planck-Institut für Plasmaphysik, EURATOM Association, Garching, Germany Lectures given at the Workshop on Nuclear Data for Science and Technology: Materials
More informationMS482 Materials Characterization ( 재료분석 ) Lecture Note 5: RBS. Byungha Shin Dept. of MSE, KAIST
2015 Fall Semester MS482 Materials Characterization ( 재료분석 ) Lecture Note 5: RBS Byungha Shin Dept. of MSE, KAIST 1 Course Information Syllabus 1. Overview of various characterization techniques (1 lecture)
More informationRutherford Backscattering Spectrometry
Rutherford Backscattering Spectrometry EMSE-515 Fall 2005 F. Ernst 1 Bohr s Model of an Atom existence of central core established by single collision, large-angle scattering of alpha particles ( 4 He
More informationPhysics 100 PIXE F06
Introduction: Ion Target Interaction Elastic Atomic Collisions Very low energies, typically below a few kev Surface composition and structure Ion Scattering spectrometry (ISS) Inelastic Atomic Collisions
More informationAvailable online at Nuclear Instruments and Methods in Physics Research B 266 (2008)
Available online at www.sciencedirect.com Nuclear Instruments and Methods in Physics Research B 266 (2008) 1880 1885 NIM B Beam Interactions with Materials & Atoms www.elsevier.com/locate/nimb Fast Monte
More informationPhysics of particles. H. Paganetti PhD Massachusetts General Hospital & Harvard Medical School
Physics of particles H. Paganetti PhD Massachusetts General Hospital & Harvard Medical School Introduction Dose The ideal dose distribution ideal Dose: Energy deposited Energy/Mass Depth [J/kg] [Gy] Introduction
More informationStopping power for MeV 12 C ions in solids
Nuclear Instruments and Methods in Physics Research B 35 (998) 69±74 Stopping power for MeV C ions in solids Zheng Tao, Lu Xiting *, Zhai Yongjun, Xia Zonghuang, Shen Dingyu, Wang Xuemei, Zhao Qiang Department
More informationMeasurements of liquid xenon s response to low-energy particle interactions
Measurements of liquid xenon s response to low-energy particle interactions Payam Pakarha Supervised by: Prof. L. Baudis May 5, 2013 1 / 37 Outline introduction Direct Dark Matter searches XENON experiment
More informationIon, electron and photon interactions with solids: Energy deposition, sputtering and desorption
Ion, electron and photon interactions with solids: Energy deposition, sputtering and desorption Jørgen Schou Department of Optics and Plasma Research, Risø National Laboratory, DK-4000 Roskilde, Denmark.
More informationIon-beam techniques. Ion beam. Electrostatic Accelerators. Van de Graaff accelerator Pelletron Tandem Van de Graaff
Ion-beam techniques RBS Target nucleus Ion beam STIM RBS: Rutherford backscattering ERD: Elastic recoil detection PIXE: Particle induced x-ray emission PIGE: Particle induced gamma emission NRA: Nuclear
More informationThe interaction of radiation with matter
Basic Detection Techniques 2009-2010 http://www.astro.rug.nl/~peletier/detectiontechniques.html Detection of energetic particles and gamma rays The interaction of radiation with matter Peter Dendooven
More informationDetectors in Nuclear Physics (48 hours)
Detectors in Nuclear Physics (48 hours) Silvia Leoni, Silvia.Leoni@mi.infn.it http://www.mi.infn.it/~sleoni Complemetary material: Lectures Notes on γ-spectroscopy LAB http://www.mi.infn.it/~bracco Application
More informationDepth profile determination with confidence intervals from Rutherford backscattering data
Depth profile determination with confidence intervals from Rutherford backscattering data U v Toussaint, R Fischer, K Krieger and V Dose Max-Planck-Institut für Plasmaphysik, EURATOM Association, POB 1533,
More informationIl picco di Bragg. G. Battistoni INFN Milano. 08/06/2015 G. Battistoni
Il picco di Bragg G. Battistoni INFN Milano 08/06/015 G. Battistoni 1 Φ(z) The physics of Bragg Peak 180 MeV proton in water Longitudinal profile: Transversel profile: Φ(z,x) dominated by interaction with
More informationNuclear cross-section measurements at the Manuel Lujan Jr. Neutron Scattering Center. Michal Mocko
Nuclear cross-section measurements at the Manuel Lujan Jr. Neutron Scattering Center Michal Mocko G. Muhrer, F. Tovesson, J. Ullmann International Topical Meeting on Nuclear Research Applications and Utilization
More informationCHARGED PARTICLE INTERACTIONS
CHARGED PARTICLE INTERACTIONS Background Charged Particles Heavy charged particles Charged particles with Mass > m e α, proton, deuteron, heavy ion (e.g., C +, Fe + ), fission fragment, muon, etc. α is
More informationAtomic Collisions and Backscattering Spectrometry
2 Atomic Collisions and Backscattering Spectrometry 2.1 Introduction The model of the atom is that of a cloud of electrons surrounding a positively charged central core the nucleus that contains Z protons
More informationProgress in Elastic Recoil Detection Analysis
UNIVERSITY OF HELSINKI REPORT SERIES IN PHYSICS HU-P-D201 Progress in Elastic Recoil Detection Analysis Kenichiro Mizohata Division of Materials Physics Department of Physics Faculty of Science University
More informationRadioactivity - Radionuclides - Radiation
Content of the lecture Introduction Particle/ion-atom atom interactions - basic processes on on energy loss - stopping power, range Implementation in in Nucleonica TM TM Examples Origin and use of particles
More informationLecture 22 Ion Beam Techniques
Lecture 22 Ion Beam Techniques Schroder: Chapter 11.3 1/44 Announcements Homework 6/6: Will be online on later today. Due Wednesday June 6th at 10:00am. I will return it at the final exam (14 th June).
More informationThe limits of volume reflection in bent crystals
The limits of volume reflection in bent crystals V.M. Biryukov Institute for High Energy Physics, Protvino, 142281, Russia Abstract We show that theory predictions for volume reflection in bent crystals
More informationPráctica de laboratorio número 6: Non-Rutherford scattering near the MeV 12 C(p,p) 12 C resonance
Práctica de laboratorio número 6: Non-Rutherford scattering near the 1.734 MeV 12 C(p,p) 12 C resonance 1) Scope In this experiment, the yield of protons backscattered from a thin gold foil deposited over
More informationPhysics of Particle Beams. Hsiao-Ming Lu, Ph.D., Jay Flanz, Ph.D., Harald Paganetti, Ph.D. Massachusetts General Hospital Harvard Medical School
Physics of Particle Beams Hsiao-Ming Lu, Ph.D., Jay Flanz, Ph.D., Harald Paganetti, Ph.D. Massachusetts General Hospital Harvard Medical School PTCOG 53 Education Session, Shanghai, 2014 Dose External
More informationIII. Energy Deposition in the Detector and Spectrum Formation
1 III. Energy Deposition in the Detector and Spectrum Formation a) charged particles Bethe-Bloch formula de 4πq 4 z2 e 2m v = NZ ( ) dx m v ln ln 1 0 2 β β I 0 2 2 2 z, v: atomic number and velocity of
More informationWeek 2: Chap. 2 Interaction of Radiation
Week 2: Chap. 2 Interaction of Radiation Introduction -- Goals, roll back the fog -- General Nomenclature -- Decay Equations -- Laboratory Sources Interaction of Radiation with Matter -- Charged Particles
More informationNeutron Interactions Part I. Rebecca M. Howell, Ph.D. Radiation Physics Y2.5321
Neutron Interactions Part I Rebecca M. Howell, Ph.D. Radiation Physics rhowell@mdanderson.org Y2.5321 Why do we as Medical Physicists care about neutrons? Neutrons in Radiation Therapy Neutron Therapy
More informationIN THE NAME OF ALLAH, THE MOST MERCIFUL AND COMPASSIONATE
IN THE NAME OF ALLAH, THE MOST MERCIFUL AND COMPASSIONATE Ion Beam Analysis of Diamond Thin Films Sobia Allah Rakha Experimental Physics Labs 04-03-2010 Outline Diamond Nanostructures Deposition of Diamond
More informationHeavy Ion Recoil Spectroscopy of Surface Layers
UNIVERSITY OF HELSINKI REPORT SERIES IN PHYSICS HU-P-D99 Heavy Ion Recoil Spectroscopy of Surface Layers Timo Sajavaara Accelerator Laboratory Department of Physical Sciences Faculty of Science University
More informationGaseous Detectors. Bernhard Ketzer University of Bonn
Gaseous Detectors Bernhard Ketzer University of Bonn XIV ICFA School on Instrumentation in Elementary Particle Physics LA HABANA 27 November - 8 December, 2017 Plan of the Lecture 1. Introduction 2. Interactions
More informationElastic Recoil Detection Method using DT Neutrons for Hydrogen Isotope Analysis in Fusion Materials. Abstract
Elastic Recoil Detection Method using DT Neutrons for Hydrogen Isotope Analysis in Fusion Materials Naoyoshi Kubota, Kentaro Ochiai, Keitaro Kondo 2 and Takeo Nishitani. :Japan Atomic Energy Research Institute,
More informationDedicated Arrays: MEDEA GDR studies (E γ = MeV) Highly excited CN E*~ MeV, 4 T 8 MeV
Dedicated Arrays: MEDEA GDR studies (E γ = 10-25 MeV) Highly excited CN E*~ 250-350 MeV, 4 T 8 MeV γ-ray spectrum intermediate energy region 10 MeV/A E beam 100 MeV/A - large variety of emitted particles
More informationParticle Interactions in Detectors
Particle Interactions in Detectors Dr Peter R Hobson C.Phys M.Inst.P. Department of Electronic and Computer Engineering Brunel University, Uxbridge Peter.Hobson@brunel.ac.uk http://www.brunel.ac.uk/~eestprh/
More informationThe Configuration of the Atom: Rutherford s Model
CHAPTR 2 The Configuration of the Atom: Rutherford s Model Problem 2.2. (a) When α particles with kinetic energy of 5.00 MeV are scattered at 90 by gold nuclei, what is the impact parameter? (b) If the
More informationECE Semiconductor Device and Material Characterization
ECE 4813 Semiconductor Device and Material Characterization Dr. Alan Doolittle School of Electrical and Computer Engineering Georgia Institute of Technology As with all of these lecture slides, I am indebted
More information2. Passage of Radiation Through Matter
2. Passage of Radiation Through Matter Passage of Radiation Through Matter: Contents Energy Loss of Heavy Charged Particles by Atomic Collision (addendum) Cherenkov Radiation Energy loss of Electrons and
More informationChapter II: Interactions of ions with matter
Chapter II: Interactions of ions with matter 1 Trajectories of α particles of 5.5 MeV Source: SRIM www.srim.org 2 Incident proton on Al: Bohr model v=v 0 E p =0.025 MeV relativistic effect E p =938 MeV
More informationStopping Power for Ions and Clusters in Crystalline Solids
UNIVERSITY OF HELSINKI REPORT SERIES IN PHYSICS HU-P-D108 Stopping Power for Ions and Clusters in Crystalline Solids Jarkko Peltola Accelerator Laboratory Department of Physics Faculty of Science University
More informationPHYS 352. Charged Particle Interactions with Matter. Intro: Cross Section. dn s. = F dω
PHYS 352 Charged Particle Interactions with Matter Intro: Cross Section cross section σ describes the probability for an interaction as an area flux F number of particles per unit area per unit time dσ
More informationInteraction of Particles and Matter
MORE CHAPTER 11, #7 Interaction of Particles and Matter In this More section we will discuss briefly the main interactions of charged particles, neutrons, and photons with matter. Understanding these interactions
More informationInteraction of Particles with Matter
Chapter 10 Interaction of Particles with Matter A scattering process at an experimental particle physics facility is called an event. Stable particles emerging from an event are identified and their momenta
More informationInteraction of ion beams with matter
Interaction of ion beams with matter Introduction Nuclear and electronic energy loss Radiation damage process Displacements by nuclear stopping Defects by electronic energy loss Defect-free irradiation
More informationEmphasis on what happens to emitted particle (if no nuclear reaction and MEDIUM (i.e., atomic effects)
LECTURE 5: INTERACTION OF RADIATION WITH MATTER All radiation is detected through its interaction with matter! INTRODUCTION: What happens when radiation passes through matter? Emphasis on what happens
More informationDepth profiles of helium and hydrogen in tungsten nano-tendril surface morphology using Elastic Recoil Detection
PSFC/JA-12-82 Depth profiles of helium and hydrogen in tungsten nano-tendril surface morphology using Elastic Recoil Detection K.B. Woller, D.G. Whyte, G.M. Wright, R.P. Doerner*, G. de Temmerman** * Center
More informationJoint ICTP-IAEA Workshop on Nuclear Data for Analytical Applications October 2013
2495-03 Joint ICTP-IAEA Workshop on Nuclear Data for Analytical Applications 21-25 October 2013 Ion Beam Analysis Techniques for non-destructive Profiling Studies M. Kokkoris Department of Physics National
More informationSecondary Ion Mass Spectrometry (SIMS) Thomas Sky
1 Secondary Ion Mass Spectrometry (SIMS) Thomas Sky Depth (µm) 2 Characterization of solar cells 0,0 1E16 1E17 1E18 1E19 1E20 0,2 0,4 0,6 0,8 1,0 1,2 P Concentration (cm -3 ) Characterization Optimization
More informationFundamentals of Nanoscale Film Analysis
Fundamentals of Nanoscale Film Analysis Terry L. Alford Arizona State University Tempe, AZ, USA Leonard C. Feldman Vanderbilt University Nashville, TN, USA James W. Mayer Arizona State University Tempe,
More informationAnalysis of Ion Implantation Profiles for Accurate Process/Device Simulation: Analysis Based on Quasi-Crystal Extended LSS Theory
Analysis of Ion Implantation Profiles for Accurate Process/Device Simulation: Analysis Based on Quasi-Crystal xtended LSS Theory Kunihiro Suzuki (Manuscript received December 8, 9) Ion implantation profiles
More informationEnergy partition and distribution of excited species in direction-sensitive detectors for WIMP searches
Cygnus 013 Toyama, Japan 10-1 June 013 Energy partition and distribution of excited species in direction-sensitive detectors for WIMP searches Akira Hitachi Kochi Medical School Key words: S T =S e + S
More informationUniversity of Oslo. Department of Physics. Interaction Between Ionizing Radiation And Matter, Part 2 Charged-Particles.
Interaction Between Ionizing Radiation And Matter, Part Charged-Particles Audun Sanderud Excitation / ionization Incoming charged particle interact with atom/molecule: Ionization Excitation Ion pair created
More informationInteraction of Ionizing Radiation with Matter
Type of radiation charged particles photonen neutronen Uncharged particles Charged particles electrons (β - ) He 2+ (α), H + (p) D + (d) Recoil nuclides Fission fragments Interaction of ionizing radiation
More informationStopping, blooming, and straggling of directed energetic electrons in hydrogenic and arbitrary-z plasmas
Stopping, blooming, and straggling of directed energetic electrons in hydrogenic and arbitrary-z plasmas This model Monte Carlo 1 MeV e 1 MeV e C. K. Li and R. D. Petrasso MIT 47th Annual Meeting of the
More informationOutline. Chapter 6 The Basic Interactions between Photons and Charged Particles with Matter. Photon interactions. Photoelectric effect
Chapter 6 The Basic Interactions between Photons and Charged Particles with Matter Radiation Dosimetry I Text: H.E Johns and J.R. Cunningham, The physics of radiology, 4 th ed. http://www.utoledo.edu/med/depts/radther
More informationElectron Rutherford Backscattering, a versatile tool for the study of thin films
Electron Rutherford Backscattering, a versatile tool for the study of thin films Maarten Vos Research School of Physics and Engineering Australian National University Canberra Australia Acknowledgements:
More informationin2p , version 1-28 Nov 2008
Author manuscript, published in "Japanese French Symposium - New paradigms in Nuclear Physics, Paris : France (28)" DOI : 1.1142/S21831391444 November 23, 28 21:1 WSPC/INSTRUCTION FILE oliveira International
More informationDoping of Silicon with Phosphorus Using the 30 Si(p, g) 31 P Resonant Nuclear Reaction
S. Heredia-Avalos et al.: Doping of Silicon with Phosphorus 867 phys. stat. sol. (a) 176, 867 (1999) Subject classification: 61.72.Tt; 61.80.Jh; S5.11 Doping of Silicon with Phosphorus Using the 30 Si(p,
More informationMaterials Analysis Using Fast Ions
A. Denker, W. Bohne, J. Rauschenberg,J. Röhrich, E. Strub Ionenstrahllabor Hahn-Meitner-Institut Berlin Materials Analysis Using Fast Ions Introduction: Energy Loss PIXE Proton Induced X-ray Emission RBS
More informationRutherford Backscattering Spectrometry
Rutherford Backscattering Spectrometry Timothy P. Spila, Ph.D. Frederick Seitz Materials Research Laboratory University of Illinois at Urbana-Champaign 214University of Illinois Board of Trustees. All
More information1.4 The Tools of the Trade!
1.4 The Tools of the Trade! Two things are required for material analysis: excitation mechanism for originating characteristic signature (radiation) radiation detection and identification system (spectroscopy)
More informationEEE4106Z Radiation Interactions & Detection
EEE4106Z Radiation Interactions & Detection 2. Radiation Detection Dr. Steve Peterson 5.14 RW James Department of Physics University of Cape Town steve.peterson@uct.ac.za May 06, 2015 EEE4106Z :: Radiation
More informationHeavy charged particle passage through matter
Heavy charged particle passage through matter Peter H. Hansen University of Copenhagen Content Bohrs argument The Bethe-Bloch formula The Landau distribution Penetration range Biological effects Bohrs
More informationInstitut für Experimentalphysik, Johannes Kepler Universität Linz, A-4040 Linz, Austria.
On the Surface Sensitivity of Angular Scans in LEIS D. Primetzhofer a*, S.N. Markin a, R. Kolarova a, M. Draxler a R. Beikler b, E. Taglauer b and P. Bauer a a Institut für Experimentalphysik, Johannes
More informationSpectroscopy on Mars!
Spectroscopy on Mars! Pathfinder Spirit and Opportunity Real World Friday H2A The Mars Pathfinder: Geological Elemental Analysis On December 4th, 1996, the Mars Pathfinder was launched from earth to begin
More informationAccelerated ions. ion doping
30 5. Simulation of Ion Doping of Semiconductors 5.1. Objectives - To give students hand-on experience of numerical simulation of ion doping used for fabrication of semiconductor planar devices. - To familiarize
More informationSimulation of low energy nuclear recoils using Geant4
Simulation of low energy nuclear recoils using Geant4 [ heavy ions, T < 1 kev/amu ] Ricardo Pinho ricardo@lipc.fis.uc.pt 12th Geant4 Collaboration Workshop LIP - Coimbra Hebden Bridge 14 Set 2007 Outline
More information1. Nuclear Size. A typical atom radius is a few!10 "10 m (Angstroms). The nuclear radius is a few!10 "15 m (Fermi).
1. Nuclear Size We have known since Rutherford s! " scattering work at Manchester in 1907, that almost all the mass of the atom is contained in a very small volume with high electric charge. Nucleus with
More informationDETERMINATION OF ENERGY LOSS, RANGE AND STOPPING POWER OF LIGHT IONS USING SILICON SURFACE BARRIER DETECTOR
DETERMINATION OF ENERGY LOSS, RANGE AND STOPPING POWER OF LIGHT IONS USING SILICON SURFACE BARRIER DETECTOR Mahalesh Devendrappa 1, R D Mathad 2 and Basavaraja Sannakki 3 1,3 Department of Post Graduate
More informationA Comparison between Channel Selections in Heavy Ion Reactions
Brazilian Journal of Physics, vol. 39, no. 1, March, 2009 55 A Comparison between Channel Selections in Heavy Ion Reactions S. Mohammadi Physics Department, Payame Noor University, Mashad 91735, IRAN (Received
More informationBeam Shape Effects in Non Linear Compton Scattering
Beam Shape Effects in Non Linear Compton Scattering Signatures of High Intensity QED Daniel Seipt with T. Heinzl and B. Kämpfer Introduction QED vs. classical calculations, Multi Photon radiation Temporal
More informationLab1. Resolution and Throughput of Ion Beam Lithography.
1 ENS/PHY463 Lab1. Resolution and Throughput of Ion Beam Lithography. (SRIM 2008/2013 computer simulation) Objective The objective of this laboratory work is to evaluate the exposure depth, resolution,
More informationNuclear Physics and Astrophysics
Nuclear Physics and Astrophysics PHY-30 Dr. E. Rizvi Lecture 4 - Detectors Binding Energy Nuclear mass MN less than sum of nucleon masses Shows nucleus is a bound (lower energy) state for this configuration
More informationShielded Scintillator for Neutron Characterization
Shielded Scintillator for Neutron Characterization A Thesis Submitted in Partial Fulfillment of the Requirements for Graduation with Research Distinction in Engineering Physics By Patrick X. Belancourt
More informationInternational Atomic Energy Agency intercomparison of Ion Beam. Analysis software
Article published in Nucl. Instr. Meth. B 262 (2007) 281 International Atomic Energy Agency intercomparison of Ion Beam Analysis software N.P. Barradas a,b,*, K. Arstila c, G. Battistig d, M. Bianconi
More informationHiRA: Science and Design Considerations
HiRA: Science and Design Considerations Scientific Program: Astrophysics: Transfer reactions Resonance spectroscopy Nuclear Structure: Inelastic scattering Transfer reactions Resonance spectroscopy Breakup
More informationLASER-COMPTON SCATTERING AS A POTENTIAL BRIGHT X-RAY SOURCE
Copyright(C)JCPDS-International Centre for Diffraction Data 2003, Advances in X-ray Analysis, Vol.46 74 ISSN 1097-0002 LASER-COMPTON SCATTERING AS A POTENTIAL BRIGHT X-RAY SOURCE K. Chouffani 1, D. Wells
More informationChapter 2 Radiation-Matter Interactions
Chapter 2 Radiation-Matter Interactions The behavior of radiation and matter as a function of energy governs the degradation of astrophysical information along the path and the characteristics of the detectors.
More informationDoppler Shift Attenuation Method: The experimental setup at the MLL and the lifetime measurement of the 1 st excited state in 31 S
Doppler Shift Attenuation Method: The experimental setup at the MLL and the lifetime measurement of the 1 st excited state in 31 S Clemens Herlitzius TU München (E12) Prof. Shawn Bishop Clemens Herlitzius,
More informationAdvanced physics and algorithms in the IBA DataFurnace
Advanced physics and algorithms in the IBA DataFurnace N.P. Barradas 1,2, C. Jeynes 3 1 Instituto Tecnológico e Nuclear, E.N. 10, Apartado 21, 2658-953 Sacavém, Portugal 2 Centro de Física Nuclear da Universidade
More informationM2 TP. Low-Energy Electron Diffraction (LEED)
M2 TP Low-Energy Electron Diffraction (LEED) Guide for report preparation I. Introduction: Elastic scattering or diffraction of electrons is the standard technique in surface science for obtaining structural
More informationDecays and Scattering. Decay Rates Cross Sections Calculating Decays Scattering Lifetime of Particles
Decays and Scattering Decay Rates Cross Sections Calculating Decays Scattering Lifetime of Particles 1 Decay Rates There are THREE experimental probes of Elementary Particle Interactions - bound states
More informationWeek 10: Chap. 14 Slow Neutron Detection
Week 10: Chap. 14 Slow Neutron Detection (Gamma ray) Backgrounds Slow Neutron Detection -- nuclear reactions --- spectra properties -- Proportional Counters --- fill gas --- lined detectors Fast neutron
More informationResonant Reactions direct reactions:
Resonant Reactions The energy range that could be populated in the compound nucleus by capture of the incoming projectile by the target nucleus is for direct reactions: for neutron induced reactions: roughly
More informationInvestigation of Pressure and Varied Electric Field Effect on Low Pressure Ionization Chamber Resolution
Investigation of Pressure and Varied Electric Field Effect on Low Pressure Ionization Chamber Resolution Iymad R. Mansour A THESIS SUBMITTED IN PARTIAL FULFILMENT OF THE REQUIREMENTS FOR THE DEGREE OF
More informationToday, I will present the first of two lectures on neutron interactions.
Today, I will present the first of two lectures on neutron interactions. I first need to acknowledge that these two lectures were based on lectures presented previously in Med Phys I by Dr Howell. 1 Before
More informationDetectors for High Energy Physics
Detectors for High Energy Physics Ingrid-Maria Gregor, DESY DESY Summer Student Program 2017 Hamburg July 26th/27th Disclaimer Particle Detectors are very complex, a lot of physics is behind the detection
More informationCHAPTER 5 Wave Properties of Matter and Quantum Mechanics I
CHAPTER 5 Wave Properties of Matter and Quantum Mechanics I 5.1 X-Ray Scattering 5.2 De Broglie Waves 5.3 Electron Scattering 5.4 Wave Motion 5.5 Waves or Particles? 5.6 Uncertainty Principle 5.7 Probability,
More informationMethod of active correlations in the experiment 249 Cf+ 48 Ca n
Method of active correlations in the experiment 249 Cf+ 48 Ca 297 118 +3n Yu.S.Tsyganov, A.M.Sukhov, A.N.Polyakov Abstract Two decay chains originated from the even-even isotope 294 118 produced in the
More informationAPPLICATION OF THE NUCLEAR REACTION ANALYSIS FOR AGING INVESTIGATIONS
1 APPLICATION OF THE NUCLEAR REACTION ANALYSIS FOR AGING INVESTIGATIONS G.Gavrilov, A.Krivchitch, V.Lebedev PETERSBURG NUCLEAR PHYSICS INSTITUTE E-mail: lebedev@pnpi.spb.ru kriv@rec03.pnpi.spb.ru We used
More informationDETECTORS. I. Charged Particle Detectors
DETECTORS I. Charged Particle Detectors A. Scintillators B. Gas Detectors 1. Ionization Chambers 2. Proportional Counters 3. Avalanche detectors 4. Geiger-Muller counters 5. Spark detectors C. Solid State
More informationImprovement of depth resolution of VEPAS by a sputtering technique
Martin Luther University Halle Improvement of depth resolution of VEPAS by a sputtering technique R. Krause Rehberg, M. John, R. Böttger, W. Anwand and A. Wagner Martin Luther University Halle & HZDR Dresden
More informationNew application of the quasi-free reaction mechanism to study neutron induced reactions at low energy
Mem. S.A.It. Vol. 78, 81 c SAIt 27 Memorie della New application of the quasi-free reaction mechanism to study neutron induced reactions at low energy M. Gulino 1, V. Burjan 2, S. Cherubini 1, V. Crucillà
More informationThe Compton Effect. Martha Buckley MIT Department of Physics, Cambridge, MA (Dated: November 26, 2002)
The Compton Effect Martha Buckley MIT Department of Physics, Cambridge, MA 02139 marthab@mit.edu (Dated: November 26, 2002) We measured the angular dependence of the energies of 661.6 kev photons scattered
More informationRadiation Physics PHYS /251. Prof. Gocha Khelashvili
Radiation Physics PHYS 571-051/251 Prof. Gocha Khelashvili Interaction of Radiation with Matter: Heavy Charged Particles Directly and Indirectly Ionizing Radiation Classification of Indirectly Ionizing
More informationLayer Morphology Analysis of Sputter-eroded Silicon Gratings using Rutherford Backscattering
Article published in Nucl. Instr. Meth. B 269 (2011) 1811 1817 Layer Morphology Analysis of Sputter-eroded Silicon Gratings using Rutherford Backscattering Hagen Langhuth, Matej Mayer*, Stefan Lindig Max-Planck-Institut
More information