APCTP-ASEAN Workshop on Advanced Materials Science and Nanotechnology 2008

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1 APCTP-ASEAN Workshop on Advanced Materials Science and Nanotechnology 2008 (AMSN 08) Journal of Physics: Conference Series Volume 187 Nha xxx Trang, Vietnam September 2008 ISBN:

2 Printed from e-media with permission by: Curran Associates, Inc. 57 Morehouse Lane Red Hook, NY Some format issues inherent in the e-media version may also appear in this print version. Copyright (2008) by the Institute of Physics All rights reserved. Printed by Curran Associates, Inc. (2010) For permission requests, please contact the Institute of Physics at the address below. Institute of Physics Dirac House, Temple Back Bristol BS1 6BE UK Phone: Fax: techtracking@iop.org

3 TABLE OF CONTENTS Micro/Nano Electro Mechanical Systems for Practical Applications... 1 Masayoshi Esashi Carbon Nanotube: A Novel Material for Applications Phan Ngoc Minh, Phan Hong Khoi An Erbium -Ytterbium DFB Laser with a Simple and Compact Structure S.W. Harun, P. Hofmann, A. Schulzgen, L. Li, D. Nguyen, C. Spiegelberg, R. Matei Rogojan, A. Laronche, J. Albert, H. Ahmad, N. Peyghambarian Manipulating Emission of CdSe/ZnS Nanocrystals Embedded in Synthetic Opals Paul Benalloul, Celine Vion, C. Barthou, Catherine Schwob, Jean-Marc Frigerio, Agnes Maitre, A. Gruzintsev, Gennadi Emelchenko, Wladimir Masalov, Pham Thu Nga Alicyclic Polyimides A Colorless and Thermally Stable Polymer for Opto-Electronic Devices Toshihiko Matsumoto, Daisuke Mikami, Takahiro Hashimoto, Motoaki Kaise, Risa Takahashi, Shuichi Kawabata Preparation of Nano-Thin Films from Conducting Polymer by Chemical Vapor Deposition Method and Its Application for Light Emitting Diodes (LED) and Organic Solar Cells Ngo Trinh Tung, Nguyen Duc Nghia Tunnelling Magnetoresistance in Nanometer Granular Perovskite Systems Bach Thanh Cong, Pham Huong Thao, Nguyen Cuong Invitro Toxicity Test and Searching the Possibility of Cancer Cell Line Extermination by Magnetic Heating with Using Fe 3 O 4 Magnetic Fluid Pham Hoai Linh, Nguyen Chi Thuan, Nguyen Anh Tuan, Pham Van Thach, Tran Cong Yen, Nguyen Thi Quy, Hoang Thi My Nhung, Phi Thi Xuyen, Nguyen Xuan Phuc, Le Van Hong Preparation of Magnetic Nanoparticles Embedded in Polystyrene Microspheres Nguyen Hoang Hai, Nguyen Hoang Luong, Nguyen Chau, Ngo Quy Tai Quantum Dynamics of a Two-Atom-Qubit System Nguyen Van Hieu, Nguyen Bich Ha, Le Thi Ha Linh Raman Scattering Study of Perovskite Manganites Nguyen Van Minh High Q-factor Micro-Cavity Laser: Fabrication and Lasing Emission Properties Pham Van Hoi, Bui Van Thien, Ha Xuan Vinh, Chu Thi Thu Ha, Tran Thi Cham, A. Gruzintsev Gan Film Growth on LiNbO 3 Surfaces Using Molecular Beam Epitaxy Man Hoai Nam, Son Chul Goo, Moon Deock Kim, Woochul Yang Time-Resolved Photoluminescence Measurements of InP/ZnS Quantum Dots Pham Thi Thuy, Ung Thi Dieu Thuy, Tran Thi Kim Chi, Le Quang Phuong, Nguyen Quang Liem, L. Li, Peter Reiss Metamaterials: Detailed Parametric Studies on Cut-Wire Pair and Combined Structure Vu Dinh Lam, Nguyen Thanh Tung, Le Van Hong, Young Pak Lee Preparation, Photoluminescence and Time-Resolved Luminescence of ZnS:Mn 2+ Nanophosphors Nguyen Vu, Pham Thi Minh Chau, Dinh Xuan Loc, Tran Kim Anh Synthesis of SrAl 2 O 4 : Eu 2+ Dy 3+ Phosphorescence Nanosized Powder by Combustion Method and Its Optical Properties Nguyen Manh Son, Le Thi Thao Vien, Le Van Khoa Bao, Nguyen Ngoc Trac Luminescence Properties of II/VI Semiconductor Colloidal Nanocrystals at Collective and Single Scales Celine Vion, C. Barthou, Laurent Coolen, Paul Benalloul, Vu Duc Chinh, Pham Thuy Linh, Vu Thi Bich, Pham Thu Nga, Agnes Maitre Preparation and Optical Properties of ZnO, ZnO: Al Nanomaterials Tran Kim Anh, Man Hoai Nam, Dinh Xuan Loc, Nguyen Vu, Wieslaw Strek, Le Quoc Minh Synthesis of Undoped and M-doped ZnO (M = Co, Mn) Nanopowder in Water Using Microwave Irradiation Nguyen Viet Tuyen, Ta Dinh Canh, Nguyen Ngoc Long, Nguyen Xuan Nghia, Bui Nguyen Quoc Trinh, Zhongrong Shen Photoluminescence and Raman Studies of GaN Films Grown by MOCVD Luong Tien Tung, K.L. Lin, E.Y. Chang, W.C. Huang, Y.L. Hsiao, C.H. Chiang Controlled Synthesis and Luminescence of Eu Doped ZnO Nanowires and Nanorods Via Hydrothermal Method Trinh Thi Hang, Trinh Xuan Anh, Pham Thanh Huy Effect of Electrochemical Etching Solution Composition on Properties of Porous SiC Film Dao Tran Cao, Cao Tuan Anh, Nguyen Thi Thu Ha, Huynh Thi Ha, Bui Huy, Pham Thi Mai Hoa, Pham Hong Duong, Nguyen Thi Thanh Ngan, Ngo Xuan Dai

4 Iron(III) and Manganese(II) Substituted Hydroxyapatite Nanoparticles: Characterization and Cytotoxicity Analysis Yan Li, Chai Teck Nam, Chui Ping Ooi Studies on Gold Atom Chains and Lead Nanowires on Silicon Vicinal Surfaces Hoang Vu Chung, Markus Klevenz, Robert Lovrincic, Frank Neubrech, Olaf Skibbe, Annemarie Pucci, Pawel Nita, Mieczyslaw Jalochowski, Tadaaki Nagao Synthesis and Optical Properties of Colloidal Gold Nanoparticles Nguyen Ngoc Long, Le Van Vu, Chu Dinh Kiem, Sai Cong Doanh, Cao Thi Nguyet, Pham Thi Hang, Nguyen Duy Thien, Luu Manh Quynh Influence of Cd:Se Precursor Ratio on Optical Properties of Colloidal CdSe Tetrapods Prepared in Octadecene Le Ba Hai, Nguyen Xuan Nghia, Pham Thu Nga, Do Hung Manh, Vu Thi Hong Hanh, Nguyen Thi Thu Trang Optical Properties of CdS and CdS/ZnS Quantum Dots Synthesized by Reverse Micelle Method Vu Thi Kim Lien, Chu Viet Ha, Le Tien Ha, Nguyen Nhu Dat Preparation and Characterization of Nanostructured Composite Films for Organic Light Emitting Diodes Nguyen Nang Dinh, Le Ha Chi, Nguyen Thang Long, Tran Thi Chung Thuy, Tran Quang Trung, Hyung-Kook Kim Analytical Determination of Kondo and Fano Resonances of Electron Green's Function in a Single- Level Quantum Dot Nguyen Bich Ha, Nguyen Van Hop Exact Solution of Rate Equations for a Two-Spin-Qubit System Le Thi Ha Linh, Nguyen Bich Ha Dynamics in a System of Four Qubits in Two Cavities Duong Hai Trieu Porous Silicon As a Low Dimensional and Optical Material Bui Huy, Pham Van Hoi, Phan Hong Khoi, Do Khanh Van, Pham Thanh Binh, Tran Thi Cham Membrane-Based Microcalorimetry for Thin Films and Sub-Milligram Single-Crystal Nguyen Duc Tuyen, Marco Evangelisti, Alessandro Di Bona, Marco Affronte The Effects of Hydrogen Dilution on Structure of Si:H Thin Films Deposited by PECVD Tran Quang Trung, Stuchlik Jiri, Ha Stuchlikova, Le Khac Binh, Nguyen Nang Dinh, Huynh Kim Khuong, Phan Thi Nhu Quynh, Nguyen Thi Huynh Nga Preparation and Characterization of Magnetic Nanoparticles with Chitosan Coating Doan Thi Kim Dung, Tran Hoang Hai, Le Hong Phuc, Bui Duc Long, Le Khanh Vinh, Phan Nha Truc Spin-Dependent Transport in Double Ferromagnetic-Gate Graphene Structures Nguyen Viet Hung, A Bournel, P Dollfus, Nguyen Van Lien CIP Spin Torque Effect in the Spin Valve Pinned with an Oxide Antiferromagnetic Layer Nguyen Chi Thuan, Nguyen Van Dai, Dao Nguyen Hoai Nam, Nguyen Xuan Phuc, Le Van Hong Growth and Luminescent Properties of Li 2 B 4 O 7 Single Crystal Doped with Cu Bui Huy, Bui Minh Ly, Vu Xuan Quang, Huynh Ky Hanh, Doan Phan Thao Tien, Vinh Hao, Tran Ngoc Low-temperature Synthesis of Nano-TiO 2 Anatase on Nafion Membrane for Using on DMFC Nguyen Manh Tuan, Ngo Thanh Nha, Nguyen Hoang Tuyen Electron Field Emission Characteristics of Carbon Nanotube on Tungsten Tip Phan Ngoc Hong, Bui Hung Thang, Nguyen Tuan Hong, Soonil Lee, Phan Ngoc Minh Electrochemical Direct Immobilization of DNA Sequences for Label-Free Herpes Virus Detection Phuong Dinh Tam, Tran Trung, Mai Anh Tuan, Nguyen Duc Chien Atomic Layer Deposition of TiO 2 Photonic Crystal Waveguide Biosensors E. Jardinier, G. Pandraud, M.H. Pham, P.J. French, P.M. Sarro Giant Magnetoimpedance in Layered Composite Micro-Wires for High-Sensitivity Magnetic Sensor Applications Le Anh Tuan, Nguyen Thanh Huy, Pham Thanh Huy Preparation and Investigation of Ferroelectric Pb(Zr 0.53 Ti 0.47 )O 3 by Modified Pechini Method Truong Van Chuong, Huynh Duy Nhan, Le Quang Tien Dung, Nguyen Duy Anh Tuan Surface Modification of Iron Oxide Nanoparticles and Their Conjuntion with Water Soluble Polymers for Biomedical Application Nguyen Thanh Huong, Lam Thi Kieu Giang, Nguyen Thanh Binh, Le Quoc Minh Preparation of Drug Nanoparticles by Emulsion Evaporation Method Le Thi Mai Hoa, Nguyen Tai Chi, Nguyen Minh Triet, Le Ngoc Thanh Nhan, Dang Mau Chien Preparation and Characterization of Magnetic Nanoparticles Coated with Polyethylene Glycol Le Thi Mai Hoa, Tran Thi Dung, Tran Mau Danh, Nguyen Huu Duc, Dang Mau Chien Modeling of Planar Carbon Nanotube Field Effect Transistor and Three Dimensional Simulation of Current-Voltage Characteristics Dinh Sy Hien, Nguyen Thi Luong, Thi Tran Anh Tuan, Dinh Viet Nga

5 Preparation and Characterization of Hybrid Materials Based on Polypyrrole and Silver Nanoparticles Nguyen Duc Nghia, Ngo Trinh Tung Application of Multiwall Carbon Nanotubes for Thermal Dissipation in a Micro-Processor Bui Hung Thang, Phan Ngoc Hong, Phan Hong Khoi, Phan Ngoc Minh On Growth Mechanisms and Dynamic Simulation of Growth Process Based on the Experimental Results of Nanowire Growth by VLS Method on Semiconductor Substrates Dao Khac An, Nguyen Xuan Chung, Pham Hong Trang, Hoang Van Vuong, Phan Viet Phong, Phan Anh Tuan Some Physical Properties of ZnAl 2 O 4 : Cr 3+ (Co 2+ ) Powders Prepared by Hydrothermal Method Le Hong Ha, Phung Thi Lanh, Nguyen Ngoc Long, Trinh Thi Loan Synthesis of Nanosilver Particles by Reverse Micelle Method and Study of Their Bactericidal Properties Tran Thi Dung, Ngo Quoc Buu, Dang Viet Quang, Huynh Thi Ha, Le Anh Bang, Nguyen Chau, Nguyen Thi Ly, Nguyen Vu Trung On Theory of Single-Molecule Transistor Tran Tien Phuc Optimization of Planar Hall Effect Sensor for Magnetic Bead Detection Using Spin-Valve NiFe/Cu/NiFe/IrMn Structures Bui Dinh Tu, Le Viet Cuong, Do Thi Huong Giang, Tran Mau Danh, Nguyen Huu Duc Magnetoelectric Effects in Piezoelectric/Soft Magnetic Amorphous FeCo-Based Ribbon Composites Do Thi Huong Giang, Le Khac Quynh, Nguyen Van Dung, Nguyen Hoang Nghi Synthesis, Properties and Application of Polyindole/TiO 2 Nanocomposites Vu Quoc Trung, Duong Ngoc Huyen DNA Enrichment by Functionalized Magnetic Nanoparticles for On-Site and Fast Detection of Virus in Biomedical Application Mai Anh Tuan, Nguyen Hoang Hai Modelling Transport in Single Electron Transistor Dinh Sy Hien, Huynh Lam Thu Thao, Le Hoang Minh 3D Simulation of Coaxial Carbon Nanotube Field Effect Transistor Dinh Sy Hien, Nguyen Thi Luong, Thi Tran Anh Tuan, Dinh Viet Nga Magnetic and Sensitive Magnetoelastic Properties of Finemet Nanostructured Ribbon Pham Duc Thang, Hoang Hai Duong, Nguyen Hoang Nghi Improvement of Electrical Property for Pb(Zr 0.53 Ti 0.47 )O 3 Ferroelectric Thin Film Deposited by Sol- Gel Method on SRO Electrode Vu Ngoc Hung, Le Van Minh, Bui Thi Huyen, Nguyen Duc Minh Fabrication and Properties of Highly Luminescent Materials from Tb(OH) 2 and Tb(OH) 2 :Eu 3+ Nanotubes Tran Thu Huong, Tran Kim Anh, Le Quoc Minh Control of Growth Mode of Multiwalled Carbon Nanotubes Nguyen Hong Quang, Do-Hyung Kim Density Matrix of Strongly Coupled Quantum Dot Microcavity System Nguyen Van Hop The Existence of Large Magnetocaloric Effect at Low Field Variation and the Anti-Corrosion Ability of Fe-Rich Alloy with Cr Substituted for Fe Duong Thi Hong Gam, Nguyen Hoang Hai, Le Van Vu, Nguyen Hoang Luong, Nguyen Chau Magnetic Memory Effect in a Strong Phase Competition System La 0.7 Ca 0.3 Mn Ti O Nguyen Chi Thuan, Dao Nguyen Hoai Nam, Nguyen Xuan Phuc, Nguyen Thi Yen Mai, Le Van Hong, Nguyen Van Dai, Vu Dinh Lam, Young Pak Lee Magnetic Fluid Based on Fe 3 O 4 Nanoparticles: Preparation and Hyperthermia Application Pham Hoai Linh, Pham Van Thach, Nguyen Anh Tuan, Nguyen Chi Thuan, Do Hung Manh, Nguyen Xuan Phuc, Le Van Hong Tunnelling Mafnetoresistance of (1 x)la 0.7 Ca 0.3 MnO 3 +xag Composites Pham Thanh Phong, Nguyen Van Khiem, Vu Van Hung, Do Hung Manh, Le Van Hong, Nguyen Xuan Phuc Preparation and Magnetic Properties of TiO 2 Doped with V, Mn, Co, La Nguyen Ngoc Hai, Nguyen The Khoi, Pham Van Vinh Investigation of Antibacterial Activity of Cotton Fabric Incorporating Nano Silver Colloid Ngo Vo Ke Thanh, Nguyen Thi Phuong Phong Magnetoresistance and Magnetocaloric Properties of La 0.7 Sr 0.3 Co 0.95 Mn 0.05 O 3 Compound Le Viet Bau, Nguyen Van Khiem, Nguyen Xuan Phuc, Le Van Hong, Dao Nguyen Hoai Nam Synthesis of Y 2 O 3 :Eu 3+ Micro- and Nanophosphors by Sol-Gel Process Bui Van Hao, Pham Thanh Huy, Tran Ngoc Khiem, Nguyen Thi Thanh Ngan, Pham Hong Duong

6 Fe Nanodot System Fabricated by Non-Lithographic Method and Its Structural Properties Chu Van Chiem, Nguyen Thi Thu Ha, Ngo Thi Thanh Tam, Nguyen Van Chuc, Huying Li, Seo Jae Muyng, Phan Ngoc Minh Fabrication of Nd-Fe-B Exchange-Spring Magnets Nguyen Mau Lam, Nguyen Thi Thanh Huyen, Do Hung Manh, Vu Hong Ky, Do Khanh Tung, Nguyen Huy Dan Preparation of Silver Nanoparticles by Pulse Sonoelectrochemical Method and Studying Their Characteristics Le Van Vu, Nguyen Ngoc Long, Sai Cong Doanh, Bui Quoc Trung Green Synthesis of Silver Nanoparticles and Silver Colloidal Solutions Nguyen Thi Phuong Phong, Ngo Hoang Minh, Ngo Vo Ke Thanh, Dang Mau Chien Fabrication of Antibacterial Water Filter by Coating Silver Nanoparticles on Flexible Polyurethane Foams Nguyen Thi Phuong Phong, Ngo Vo Ke Thanh, Phan Hue Phuong A Simple Method for Estimating of Spontaneous Polarization in Perovskite-Like Nanocrystallites Pham The Tan, Nguyen Cuong, Fedor Valach, Hoang Nam Nhat Preparation of ZnS Nanoparticles by Hydrothermal Method Tran Thi Quynh Hoa, Le Van Vu, Ta Dinh Canh, Nguyen Ngoc Long Preparation, Characterization and Optical Properties of ZrO 2 :Er 3+, Yb 3+ Nanomaterials Tran Thu Huong, Nguyen Thanh Huong, Lam Thi Kieu Giang, Tran Kim Anh, Witold Lojkowski, Le Quoc Minh Co-Deposition and Microstructure of Ni-Nano SiC Coating on Metal Huynh Thi Ha, Cao Tuan Anh, Nguyen Thu Ha, Dao Tran Cao Uniformity's Influence of Silica Xerogel on Synthesis Efficiency of SiC Nanorods by Carbothermal Reduction Huynh Thi Ha, Cao Tuan Anh, Nguyen Thi Thu Ha, Phan Viet Phong, Dao Tran Cao, Le Quang Huy, Nguyen The Quynh Grain Size Effect on the Permittivity of La 1.5 Sr 0.5 NiO 4 Nanoparticles Tran Dang Thanh, Le Van Hong Synthesis and LPG-Sensing Properties of TiO 2 Nanowires Dang Thi Thanh Le, Dang Duc Vuong, Nguyen Duc Chien Modelling Molecular Field Effect Transistor Using Non-Equilibrium Green Function Method Dinh Sy Hien, Huynh Hoang Trung Development of Quantum Device Simulator NEMO-VN Dinh Sy Hien, Nguyen Thi Luong, Le Hoang Minh, Tran Tien Phuc, Pham Thanh Trung, Bui An Dong, Huynh Lam Thu Thao, Nguyen Van Le Thanh, Thi Tran Anh Tuan, Huynh Hoang Trung, Nguyen Thi Thanh Nhan, Dinh Viet Nga The Effect of Image Force and Temperature on Electrical Characteristics of Layer-Type MTJs Nguyen Anh Tuan, Do Phuong Lien Effect of Strontium Doping Level on Electrical Transport and Magnetic Properties of La 1-x Sr x MnO 3 Perovskite Nanoparticles Phan Van Cuong, Do-Hyung Kim Author Index

SESSION C: OPTICS, LASER AND APPLICATIONS November 27, 2012 (Thuesday)

SESSION C: OPTICS, LASER AND APPLICATIONS November 27, 2012 (Thuesday) Chairperson: Prof. Dr. Tran Ba Chu (Academy of Military Sci. & Tech, Hanoi) Dr. Nguyen Huy Bang (Vinh University) (C-01) 13:30 13:55