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TECHNISCHE FAKULTÄT DER CHRISTIAN-ALBRECHTS-UNIVERSITÄT ZU KIEL

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Uli Gösele: His Random Walk Through Science 1. Introduction 2. Nucleation 3. Scattering Events 4. Diffusion Length

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1. Introduction What is a Random Walk? 1.

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1. Introduction What is a Random Walk? 2. Other Scientists, Females, Accidents, … Scattering Centers Internal working of U. Gösele Structure of scattering entities A contribution to Göselogy

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No real scattering. Nevertheless important for final outcome. 1. Introduction What is a Random Walk?

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1. Introduction What is a Random Walk? 3. How far did he go? Metrics? End

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Theorem No 2: Uli is smarter than I 2. Nucleation Studying Physics in Stuttgart being 18 years old (and probably you) (Avoided military!) Theorem No 1: Uli is smart 1968 First close interaction with H. Föll (Quantum Theory Exercise) Theorem No 4: Made snotty but irrefutable remarks all his life. The Mozart incident Theorem No 3: Uli is generous and shares.

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2. Nucleation 1974 Nucleation concluded. Random walk starts. Uli definitely confused if not inebriated. Or just newly wed?

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First strong scattering center: 3. Scattering Scattering centers: 1. The females of the species (weak until 1974) Theorem No 5: Uli is a motivator. Get’s people do do what he wants and to enjoy it! trapping Julia Gösele (+ Andrea Gösele after phase separation)

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3. Scattering PhD in May 75 Married, with child Weak scattering center from the past First example of major non-scattering event! Psi (= psychic power) helps: Kraution (= cabbage-ion = Crowdion) discovered

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3. Scattering Next major scattering center: Me! Andrea Gösele

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3. Scattering UG without me

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3. Scattering My major achievement with respect to semiconductor science UG with me

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3. Scattering Random walk in Schönbuch Forest Theorem No 6: Uli Gösele is a great friend and one should always heed his advice

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3. Scattering > 150 pages Theorem No 7: Uli Gösele, when facing tough problems, comes up with unconventional solutions that often work (but may not always find the approval of the timid). Theorem No 8.He always knew what his priorities were.

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3. Scattering Theorem No 7: Uli Gösele, when facing tough problems, comes up with unconventional solutions that actually work but may not always find the approval of the timid. Theorem No 8.He always knew what his priorities were. Theorem No 9.Uli Gösele always looked ahead and does long-term planning. Do you understand that we will turn 30 years old in a few month? We now need only to persevere for about another 30 years, then we will have made it.

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3. Scattering Second example of momentous non-scattering event in 1979 ! In March (1979) I applied with tremendous effort + presentation for a “professorship” at the technical School here. I’m on second place and number one accepted. My topic was “Acoustic protection against external noise”; I did learn quite a bit about walls, shutters containers, …. Theorem No 7: Uli Gösele, when facing tough problems, comes up with unconventional solutions Once more!

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3. Scattering IBM Yorktown Heights Next major scattering center: The Yu Tan Once more!

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3. Scattering No major scattering from 1981 - 1984 (not possible in 1-dim Crowdion space) Instead strong non-linearities around Habilitation in 1980 Habilitation-hat???

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3. Scattering Next major scattering center: Siemens / Munich Move to Munich without (increased) family Arno Schmidt Uli still wanted to become a Professor!

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3. Scattering Next major scattering center: Siemens / Munich More important: and H. Föll (third time!) We did not only drink beer:

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3. Scattering Uli gets scattered by art V. Lehmann “Goethe und die Theoretische Elektrotechnik“

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3. Scattering That hurt!

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3. Scattering That really hurt! We just got the first patent on porous Si for active semiconductors. I hope that the effort will pay off.) (Letter from Nov. 3rd, 1992 No!

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3. Scattering U. Gösele (in Halle) and H. Föll (in Kiel) scatter once more: Photonic Crystal Initiative Theorem No 7: Uli Gösele, when facing tough problems, comes up with unconventional solutions that actually work but may not always find the approval of the timid. Theorem No 10: Uli Gösele has a way with friends and people and is a shrewd judge of character. Last scattering event to be investigated here:

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Theorem No 2: Uli is smarter than I (and you) Theorem No 1: Uli is smart Theorem No 4: Uli made snotty but irrefutable remarks all his life. Theorem No 3: Uli is generous and shares. Theorem No 5: Uli is a motivator. Gets people do do what he wants and to enjoy it. Theorem No 6: Uli is a great friend and one should always heed his advice. Theorem No 7: Uli, when facing tough problems, comes up with unconventional solutions that often work (but may not always find the approval of the timid). Theorem No 8.Uli knows what his priorities are. Theorem No 9.Uli always looked ahead and does long-term planning (like his retirement) Theorem No 10: Uli Gösele has a way with people and is a shrewd judge of character. 3. Scattering - Summary of First Results

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4. Diffusion Length What kind of Metrics should one use in Göselogy? Number of publications? Number of Citations? No! My metrics that I will announce with full confidence in the correctness of my own judgment are: Uli about H. Föll Average increase of blood pressure induced in colleagues? The most important measure of Uli Gösele’s diffusion length is the Number of people that were scattered by him.

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4. Diffusion Length A rather large number of people came out of that encounter as better scientists if not better and happier people I’m one of them! Uli - Thanks for having been my friend and colleague for many years in the past! (and, I hope, for many years to come)

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Sara sends her Best Wishes!

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3. Scattering

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