Rehearse your talk at least 3 /mes

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1 Presenta(ons 1

2 Organiza(on End on (me Right amount of material Have a (me budget for each slide Work towards a take- home message UncluAered slides that enhance your words Rehearse your talk at least 3 /mes Did I men(on ending on (me? 2

3 Content Work towards a take- home message Focus on results, with short mo(va(on Make it clear and simple Lots of graphical informa(on, clearly presented Keep text short, and don t read from your slide No long- winded introduc(ons short (<1min) outline Punchy summary 3

4 During the talk Face the audience, not the slides Your slides should support you, not dominate you Describe your slides; it takes (me for the audience to process graphical informa(on and understand its significance Don t read text audience can read much more quickly than you can Make eye contact; have good body language Watch where you stand 4

5 Bits and pieces Title slide: your name & affilia(on your advisor s name & affilia(on any funding informa(on the date! Acknowledgements to colleagues come at the end and need not be read out. Summary slide can be led up at the end for people to read if (me runs out. 5

6 Good habits UncluAered slides Clear message Use a long pointer or a laser pointer Listen carefully to ques(ons Be able to nego(ate to a given slide in ONE keystroke (number your slides) Wear nice clothes shows respect for your audience 6

7 Bad habits Holding on to a coffee cup all the way through your talk Using your hand to point something out on a slide Geing in the way of the image - shoulders par(cularly are a problem here! Finishing peoples ques(ons for them. Flipping back through slides, desperately searching for one that you could equally well refer to with a well chosen phrase 7

8 What not to say I'll come back to this if I have (me. (You won't.) I won't show you this slide. You can't really see it from this slide, but... 8

9 What to do Prac(ce your talk beforehand; at least 3 (mes. (It always takes twice as long in the shower, because you go back and correct yourself). Look at your slides beforehand from the back of the room. Stand well away from the overhead projector when you talk, and face the audience, not the screen. Make eye contact with many people. Know your audience. Relax, smile, you're doing fine! 9

10 Cri(que the next slide Informa(on density? Graphics readability? Color? Axes labels & font size? 10

11 BaCuTeF films PLD-deposited; single phase; low temperature (006) (004) (003) (002) (001) powder (005) BaCuTeF film 400 C 500 C 600 C θ (degrees) 50 Polycrystalline on SiO θ (degrees) Oriented on MgO 11 70

12 Cri(que the next 2 slides Informa(on density? Understandable? Color? 12

13 Schema(c of a generic TCO Visible wavelengths 100 Transmittance (%) Absorption loss High visible-light transmittance window Reflectance plus absorption loss 0 0 l g Wavelength (µm) l p Fundamental band-edge (~0.35 µm) Plasma reflection edge (~1-1.5 µm) 13

14 Thin- film solar cells Light Light Substrate n- SnO 2 n- CdS p- CdTe p- ZnTe contact CdTe solar cell CIGS solar cell n- ZnO n- CdS p- CIGS Mo contact Substrate In both cases, the light first passes through the TCO. 14

15 Cri(que the next 2 slides Informa(on density? Equa(on complexity? Color? 15

16 The op(cal constants (i) Subs(tu(ng for the conduc(vity in the expression for the complex permiivity gives, ε *( ω ) = ε + $ & % i ε 0 ω ' $ ) & ( % ε * ( ω ) = ε + ' ne2 ε 0 m Re(ε*) = ε 1 = ε + % & $ & % ωne 2 m - ( / *. ) / 0 /& ne2 ε 0 m ( ) = ε 2 = $ ne2 Im ε * " # ε 0 m, '. ) - (. /.% i $ ω 2 0 ω 2 % $ ω 0 2 ω 2 ' ( ' ( +ω τ 2 + ω τ ( ) % & ω 2 0 ω 2 ( ) + i ω τ % ω 2 0 ω 2 2 ( + ω τ - ' / ). ( / 0 /% + % - ', & - -#. ) ( ) 2 $ ω 0 2 ω 2 % $ ω 0 2 ω 2 ' ( ' ( ( ) 2 1 / 2 / 3 / 2 + ω τ ( ) 2 ( ω τ ) " ω 02 ω 2 2 % + ω τ & ( ) 2 1 / 2 / 3 / / and, 16

17 Solution to Boltzmann s equation: Seebeck effect, a Parabolic band High degeneracy Ellipsoidal constant energy surfaces Scattering parameter α = 2 3 k 2 T q 2 ( ) 23 * { m s } d π 3n a (n, m*, s) Knowledge of s would give us m* Need a transport phenomenon that is sensitive to s. R Hall = 1 qn 17

18 Slides - summary Get the basics right Font sizes large Graphical informa(on clear and crisp Colors with good contrast Minimal text Make sure videos & anima(ons work No distrac(ng fly ins 18

19 Font sizes 48 point 40 point 32 point 18 point 11 point 19

20 Font colors Red on black White on blue Yellow on white Blue on green 20

21 Font colors Magenta on cyan Black on orange Yellow on green Red on green 21

22 Logis(cs All talks to be loaded on Weniger 304 computer on Tuesday 9-10 am Laser pointer will available All should aaend unless an exam conflict 22

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