TY  - JOUR
A1  - Helsper, Christoph
A1  - Nießner, R.
T1  - Application of a Multistep Condensation Nuclei Counter as a Detector for Particle Surface Composition / Nießner, R. ; Helsper, C.
JF  - Journal of Aerosol Science. 16 (1985), H. 3
Y1  - 1985
SN  - 0021-8502
SP  - 201
EP  - 209
ER  - 
TY  - JOUR
A1  - Helsper, Christoph
A1  - Bartz, H.
A1  - Fißan, H. J.
A1  - Kousaka, Y. (u.a.)
T1  - Response Characteristics for Four Condensation Nucleus Counters to Particles in the 3 to 50 nm Diameter Range / Bartz, H. ; Fißan, H. J. ; Helsper, C.; Kousaka, Y. ; Okuyama, K. ; Keady, R. Fruin, S. ; McMurry, P. H.; Pui, D. Y. H. ; Stolzenburg, M. R.
JF  - Journal of Aerosol Science. 16 (1985), H. 5
Y1  - 1985
SN  - 0021-8502
SP  - 443
EP  - 456
ER  - 
TY  - JOUR
A1  - Helsper, Christoph
A1  - Nießner, R.
T1  - On the Influence of the Vapour Substance on the Behaviour of an Expansion Type Condensation Nucleus Counter
JF  - Journal of Aerosol Science. 16 (1985), H. 5
Y1  - 1985
SN  - 0021-8502
SP  - 457
EP  - 461
ER  - 
TY  - JOUR
A1  - Helsper, Christoph
A1  - Wiedensohler, A.
A1  - Lütkemeier, E.
A1  - Feldpausch, M.
T1  - Investigation on the Bipolar Charge Distribution at Various Gas Conditions / Wiedensohler, A.; Lütkemeier, E.; Feldpausch, M. ; Helsper, C.
JF  - Journal of Aerosol Science. 17 (1986), H. 3
Y1  - 1986
SN  - 0021-8502
SP  - 413
EP  - 416
ER  - 
TY  - JOUR
A1  - Schwarzer, Klemens
A1  - Krings, T.
T1  - Dissemination of solar cookers with and without temporary storage : a report of concrete examples ; experiences from Chile, India and Mali
JF  - Proceedings / EuroSun '96 : 10. Internationales Sonnenforum. Ed. by A. Goetzberger ... - Bd. 4
Y1  - 1996
N1  - EuroSun <1, 1996, Freiburg, Breisgau>
SP  - 1479
EP  - 1482
PB  - DGS-Sonnenenergie-Verl.
CY  - München
ER  - 
TY  - JOUR
A1  - Förster, Arnold
T1  - Resonant tunneling diodes : the effect of structural properties on their performance
JF  - Festkörperprobleme = Advances in solid state physics. 33 (1994)
Y1  - 1994
SN  - 0065-3357
N1  - Review ; 2. ISSN: 0430-3393
SP  - 37
EP  - 62
ER  - 
TY  - JOUR
A1  - Förster, Arnold
A1  - Döhler, G. H
A1  - Heber, J.
T1  - Hot electrons in n-i-p.i-based devices / G. H. Döhler ; J. Heber ... A. Förster ...
JF  - Hot electrons in semiconductors : physics and devices / ed. by N. Balkan. - (Series on semiconductor science and technology ; 5)
Y1  - 1998
SN  - 0-19-850058-0
SP  - 478
EP  - 504
PB  - Clarendon Press
CY  - Oxford
ER  - 
TY  - JOUR
A1  - Maezawa, Koichi
A1  - Förster, Arnold
T1  - Quantum transport devices based on resonant tunneling
JF  - Nanoelectronics and information technology : advanced electronic materials and novel devices / Rainer Waser (ed.).
Y1  - 2003
SN  - 3-527-40363-9
SP  - 407
EP  - 424
PB  - Wiley-VCH
CY  - Weinheim
ER  - 
TY  - JOUR
A1  - Mikulics, M.
A1  - Camara, I.
A1  - Hardt, A. van der
A1  - Fox, A.
A1  - Förster, Arnold
A1  - Gusten, R.
A1  - Lüth, H.
A1  - Kordos, P.
T1  - Generation of THz radiation by photomixing in low-temperature-grown MBE GaAs
JF  - Fifth International Conference on Advanced Semiconductor Devices and Microsystems : conference proceedings ; Smolenice Castle, Slovakia, October 17 - 21, 2004 / [organizers: Institute of Electrical Engineering, Slovak Academy of Sciences, Bratislava and Microelectronics Department, Faculty of Electrical Engineering and Information Technology, Slovak University of Technology, Bratislava]. Ed. by J. Osvald
Y1  - 2004
SN  - 0-7803-8335-7
N1  - International Conference on Advanced Semiconductor Devices and Microsystems <5, 2004, Smolenice> ; ASDAM <5, 2004, Smolenice> ; IEEE catalog numer: 04EX867
SP  - 231
EP  - 234
PB  - IEEE Operations Center
CY  - Piscataway, NJ
ER  - 
TY  - JOUR
A1  - Zatko, B.
A1  - Dubecký, F.
A1  - Bohacek, P.
A1  - Gombia, E.
A1  - Frigeri, P.
A1  - Mosca, R.
A1  - Franchi, S.
A1  - Huarn, J.
A1  - Nescas, V.
A1  - Sekacova, M.
A1  - Förster, Arnold
A1  - Kordos, P.
T1  - On the spectrometric performance limit of radiation detectors based on semi-insulating GaAs
JF  - Nuclear instruments and methods in physics research, Section A. 531 (2004), H. 1-2
Y1  - 2004
SN  - 0168-9002
SP  - 111
EP  - 120
ER  -