Dehé, Alfons ; Hartnagel, (1996)
Free-standing AlGaAs thermopiles for improved infrared sensor design.
In: IEEE transactions of electron devices. 43 (1996), No. 8, S. 1193-1199
Artikel, Bibliographie

Borgarino, M. ; Menozzi, ; Fantini, ; Schüssler, ; Hartnagel, (1995)
High base current ideality factors due to trap-assisted band-to-band tunneling in AlGaAs/GaAs HBTs.
In: Alta frequenza. 7 (1995), No. 5
Artikel, Bibliographie

Krozer, Viktor ; Würfl, ; Fricke, ; Schüßler, ; Lee, ; Hartnagel, (1995)
High temperature electronics with III-V compound semiconductors.
In: HITEN (High temperature electronics network) - news. 1995, Nr. 9
Artikel, Bibliographie

Krozer, Viktor ; Schüßler, ; Fricke, ; Lee, ; Hartnagel, (1995)
High temperature microwave modeling and circuit design with MESFET's and HBT's.
Konferenzveröffentlichung, Bibliographie

Miao, Jianmin ; Hartnagel, ; Weiss, ; Wilson, (1995)
Improved free standing membranes in GaAs for sensor applications.
In: Electronics letters. 31 (1995), Nr. 13, S. 1047-1049
Artikel, Bibliographie

Dehé, Alfons ; Fricke, ; Hartnagel, (1995)
Infrared thermopile sensor based on AlGaAs/GaAs micromachining.
In: Sensors and actuators. A47 (1995), S. 432-436
Artikel, Bibliographie

Dehé, Alfons ; Fricke, ; Mutamba, ; Hartnagel, (1995)
Piezoresistive GaAs differential pressure sensor with AlGaAs membrane technology.
In: Journal of micromechanics and microengineering. 5 (1995), S. 1-4
Artikel, Bibliographie

Schultheis, Rüdiger ; Hartnagel, (1995)
Planar loop coupler as electrode for stochastic cooling systems.
In: Gesellschaft für Schwerionenforschung: Scientific report 1994. S. 248
Artikel, Bibliographie

Miao, Jianmin ; Hjort, ; Hartnagel, ; Schweitz, ; Rück, ; Tinschert, (1995)
Resonant sensors on thin semi-insulating GaAs membranes.
Konferenzveröffentlichung, Bibliographie

Hjort, K. ; Schweeger, ; Dehé, ; Fricke, ; Hartnagel, (1995)
Thickness-field excited thickness-shear resonators in (110) GaAs.
In: Applied physics letters. 66 (1995), No. 3, S. 326-328
Artikel, Bibliographie

Bock, K. ; Hartnagel, (1995)
Travelling wave field emission devices for THz operation.
Konferenzveröffentlichung, Bibliographie

Dehé, Alfons ; Fricke, ; Mutamba, ; Hartnagel, (1995)
A piezoresistive GaAs pressure sensor with GaAs/AlGaAs membrane technology.
In: Journal of micromechanics and microengineering. 5 (1995), S. 139-142
Artikel, Bibliographie

Miao, Jianmin ; Hartnagel, ; Rück, ; Fricke, (1995)
The use of ion implantation for micromachining of GaAs for sensor applications.
In: Sensors and actuators A 46-47, Nr. 1-3, S. 30-34
Artikel, Bibliographie

Miao, Jianmin ; Hartnagel, ; Tinschert, ; Rück, (1994)
Fabrication of thin semi-insulating GaAs membranes by ion implantation and its application for piezoelectric actuators.
In: Gesellschaft für Schwerionenforschung: Scientific report 1994
Buchkapitel, Bibliographie