Zobrazeno 1 - 10
of 42
pro vyhledávání: '"T. Feltgen"'
Publikováno v:
physica status solidi (a). 195:81-86
The long-term stability of AlGaAs/GaAs and InAlAs/InGaAs high electron mobility transistors (HEMTs), tested under high drain voltage and/or high temperature operation is reported. HEMTs with high In content in the active channel, alternatively fabric
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::afaa4d2432aee2e24edb2515aea097ce
https://doi.org/10.1002/pssa.200306303
https://doi.org/10.1002/pssa.200306303
Autor:
K. S. Gavrichev, J.H. Greenberg, V. N. Guskov, Michael Fiederle, T. Feltgen, Klaus-Werner Benz
Publikováno v:
The Journal of Chemical Thermodynamics. 34:2041-2047
The heat capacity of ZnTe was measured in an adiabatic calorimeter in the temperature range from 15 K to 330 K. The following standard thermodynamic properties of ZnTe were derived: C p, m ° (298.15 K )=(49.52±0.10) J · K −1 · mol −1 ; S ° m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b7142cd82b5ed0b1fcc2b1df404a6462
https://doi.org/10.1016/s0021-9614(02)00256-2
https://doi.org/10.1016/s0021-9614(02)00256-2
Autor:
A.S. Alikhanyan, V. N. Guskov, J.H. Greenberg, Michael Fiederle, T. Feltgen, Klaus-Werner Benz, A.M. Natarovsky
Publikováno v:
physica status solidi (b). 229:137-140
P-T-X data are the thermodynamic basis for modeling the crystal growth of materials with controlled stoichiometry. In this paper results of the first direct experimental measurement of the total vapor pressure are reported for three-phase equilibria
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::da92fac91f29980454e34906a9840e90
https://doi.org/10.1002/1521-3951(200201)229:1<137::aid-pssb137>3.0.co
https://doi.org/10.1002/1521-3951(200201)229:1<137::aid-pssb137>3.0.co
Autor:
V. N. Guskov, K. S. Gavrichev, J.H. Greenberg, G. A. Sharpataya, T. Feltgen, Michael Fiederle, Klaus-Werner Benz
Publikováno v:
Thermochimica Acta. 381:133-138
High-temperature heat capacities were measured using the Setaram DSC 111 in the temperature range 290–925 K. Experimental data were smoothed jointly with earlier determined low-temperature heat capacities to calculate thermodynamic properties in te
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::66f6b8a7e4ce5096b3691c1fcebbfaa1
https://doi.org/10.1016/s0040-6031(01)00694-3
https://doi.org/10.1016/s0040-6031(01)00694-3
Publikováno v:
International Journal of Inorganic Materials. 3:1241-1244
Synchrotron topography characterization of vapor grown ZnTe crystals showed that the available data in this system are not sufficient to control the growth parameters. First P–T–X phase equilibrium studies confirm that the stoichiometric plane X=
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2db137d4e8f241a571a29acb52dddcf0
https://doi.org/10.1016/s1466-6049(01)00149-0
https://doi.org/10.1016/s1466-6049(01)00149-0
Autor:
Michael Fiederle, J. L. Castaño, V. Babentsov, Victoria Corregidor, T. Feltgen, Ernesto Diéguez, Klaus-Werner Benz
Publikováno v:
Crystal Research and Technology. 36:535-542
Semi-insulating CdTe single crystals doped with Ga were grown from the vapour phase by the modified Markov technique MMT. The study of the resistivity map in the cross-sections cut along the growth direction has been performed. The compensation pheno
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bee641844e0c8b9085f28a4a70cc6777
https://doi.org/10.1002/1521-4079(200107)36:6<535::aid-crat535>3.0.co
https://doi.org/10.1002/1521-4079(200107)36:6<535::aid-crat535>3.0.co
Autor:
Ernesto Diéguez, Michael Fiederle, Victoria Corregidor, V. Babentsov, Klaus-Werner Benz, T. Feltgen
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 458:85-89
This paper presents data on experimentally and theoretically deduced total energies and energy level positions in the band-gap for eight elementary defects in CdTe. Based on these data, the total energy dependence on the Fermi-level position in the b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3f4c267ad89e35233e03d9c85b2c58d2
https://doi.org/10.1016/s0168-9002(00)00924-4
https://doi.org/10.1016/s0168-9002(00)00924-4
Autor:
Michael Fiederle, J. Meinhardt, T. Feltgen, M. Rogalla, J. Ludwig, K. Runge, Klaus-Werner Benz
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 434:152-157
The growth of CdTe from the vapour phase offers several improvements in crystal quality and homogeneity. CdTe and (Cd, Zn)Te were grown by the modified Markov technique. The transport properties and the detector performance are given and compared to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13f1b81f9895949fc436a0b4fc3ca9bd
https://doi.org/10.1016/s0168-9002(99)00451-9
https://doi.org/10.1016/s0168-9002(99)00451-9
Publikováno v:
Journal of Crystal Growth. 197:635-640
CdTe and (Cd,Zn)Te crystals were compared by their material properties. The compensation mechanism of (Cd,Zn)Te and the influence of deep levels are compared to CdTe. The detector grade of (Cd,Zn)Te is obtained with a peak-to-valley ratio of 3.5 for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3921c9b25ddba021986881dd03af1db6
https://doi.org/10.1016/s0022-0248(98)00761-1
https://doi.org/10.1016/s0022-0248(98)00761-1
Autor:
G. Weimann, Hermann Massler, Stefan Müller, Rudolf Kiefer, Axel Tessmann, F. van Raay, B. Raynor, Michael Mikulla, Klaus Köhler, T. Feltgen, Rudiger Quay, S. Ramberger, J. Schleife
The suitability of AlGaN/GaN HEMTs on SiC is discussed with respect to mm-wave applications at 40 GHz and beyond. A 0.15 μm T-gate AlGaN/GaN-HEMT 2-inch technology on SiC and sapphire was developed for high power applications and for frequencies bey
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd652585673e13636fc1fca3f6f72a2e
https://publica.fraunhofer.de/handle/publica/204774
https://publica.fraunhofer.de/handle/publica/204774
