Reported by
E. Billig
BIOS Trip No. 3121
Prof. Pohl C7/384, C22/3409* Alkali-Halide Crystals
Prof. Hilsch C7/376, C22/7289 Semi-conductors theory and Super-conductivity
Dr. Sachs C7/613, C22/7288 Metalic Oxides thermistors
Prof. Schottky C7/376, C22/7287 Theory of rectification
Dr. Maier C7/612, C22/7286 Rectifiers
Dr. Brill C7/375, C22/4318 Structure Investigations
Dr. Krebs C7/614, C22/7292 Crystal Structure of Se
Dr. Koch C7/397, C22/7191 Measurement of rectifier capacitance
Dr. Herbeck C7/396, C22/7290 Time Constant of Se Rectifier
Dr. Bosch C7/393, C22/645 Se Rectifiers
Dr. Waibel C7/617, C22/7294 Cu2O Rectifiers
Prof. Günther C7/616, C22/3410 Synthesis of Pyrite Crystals
Dr. König C7/383, C22/7295 Si Detectors
Prof. Frerichs C7/618, C22/7293 CdS Photo-Conducting Cell
Dr. Treu C7/615, C22/7296 I.R. PhotoConducting
Dr. Schaffernicht C7/623, C33/7297 Image Development of PbS Cells
Dr. Kaspar C7/622, C22/7298 Chemical Development of PbS cells
Dr. Pick C7/621, C22/7299 PbS Cell
Dr. Gaertner C7/620, C22/7300 Information on I.R. Research
Prof. Kallmann C7/619, C22/7301 Photography by Neutrons α Particle Recorder
* These numbers represent target numbers
Keywords: Object of trip; List of those interviewed and their engagements; Prof. R.W. Pohl Chief of the first Physical Institute at Göttingen - AlkaliHalide Crystals, Colour Centres and Light Absorbtion; By diffusion of one of the constituent elements into the crystal .. ; By direct introduction of electrons into the crystal .. ; By the exposure to X-Rays ..; Theory of colour centres .. (Störstellen); F'Centres .. ; Effect of hydrogen .. ; Absorbtion Bands due to Impurities .. ; Electrical Conductivity of Solids .. ; Photo-chemical effects .. ; Super-Conductivity .. ; Resistances for Wireless Sets ... Prof. Schottky consultant to Siemens & Halske is mainly in the development of the theory of contact rectifiers .. ; Prof Brill of I.G. Farben (Oppau near Ludwigshafen and T.H. Darmstadt .. ; Electron density .. Valency .. ; Dr. Krebs a chemist by training with I.G. Farben .. Crystal Structure of Se .. ; Addition of Impurities .. ; According to Schottky's theory .. this furnished information on the distribution of impurity centres in the barrier layer .. ; Dr. C. Bosch of the A.E.G./F.I. (AEG) (Research Institute) .. ; Dr. F. Waibel physicist with Siemens & Halske .. ; Prof. P. Günther physical chemist of Königsberg and Breslau University, now with Siemens . .. ; Synthesis of Pyrite Crystals FeS2 .. ; Pure Silicon Crystals SiCl4 ...melting point (1420° C) .. ; Dr. König previously of T.H. Danzig, now at Göttingen University .. ; Prof. Frerichs of the Kaiser Wilhelm Institute, Berlin-Dahlem (KWI) and T.U. Berlin-Charlottenburg has been working for the Osram Studiengesellschaft ... ; CdS Photo-Conducting Cell .. ; TlS Photo-Voltaic Cell .. ; Dr. M. Treu was assistant to Prof. Gudden of Erlangen University .. died in 1945 ; Dr. Schaffernicht of A.E.G. (AEG) Valve Works Claustal .. ; Image Converters using Photo-Conductors .. ; Dr. J. Kaspar a physical chemist with the A.E.G. ... ; Johnson Noise .. ; Dr. H. Gaertner now with the Bizonal Economic Department at Minden during the he held a responcible position at the Heeres-Waffen-Amt, Berlin in the Department for Optics and Measurement .. ; Dr. Veith formerly A.E.G. (AEG); Herr Schmalenberger formerly Reichspost-Forschungsanstalt Berlin Berlin-Reinickendorf now engaged by the Russians in Berlin; Dr. Fenner formerly Reichsost-Forschungsanstalt .. ; Dr. Allekotte formerly physicist in Heereswaffenamt (HWa) Berlin Charlottenburg; Dr. Lotz Berlin-Siemensstadt Forschungslabor .. ; Dr. Plesse formerly Zeiss Jena now working with Zeiss Opton?? . ; Prof. Dr. M. Czerny Frankfurt a/M Physikalisches Institut der Universität Robert Mayerstrasse 2..; Dr. Kutzscher formerly Elac Kiel .. ; Dr. Treu formerly assistant of the late Prof. Gudden Prag ..; Dr. Casper formerly A.E.G. (AEG) Forschungsinstitut Berlin-Reinickendorf now perhaps Konstanz Bodensee (French Sector, AOB) .. ; Dr. Rein formerly I.G. Farben Werk Mainkur Frankfurt-Fechenheim ..; Prof. H. Kallmann of the KWI .. ; Photography by Neutrons similar in principe to X-Ray photography ..
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