Zobrazeno 91 - 100
of 740
pro vyhledávání: '"77"'
Autor:
Shigetaka Shimanuki, Tomochika Matsuyama, Kiyoshi Aoyagi, Takehisa Yoshinari, Hitoshi Yamaoka, Tomoyoshi Kamikawa, Masami Fujisawa, Takao Nanba
Publikováno v:
International Conference on Excitonic Processes in Condensed Matter.
Metal precipitation has been observed at the 2D crystals of alkylammonium metal chlorides, (CnH2n+1NH3)2MCl4 which were X- or (gamma) -irradiated at 77 K and warmed to room temperature. It has been also observed in the 1D crystals of CsMnCl3(DOT)2H2O
Autor:
Earle Stewart, Lamberto Raffaelli
Publikováno v:
SPIE Proceedings.
This paper examines markets, competing technologies and required production costs of 77 GHz automotive radars. The design and performance of a 77 GHz monolithic transmitter specifically developed for automotive collision avoidance and intelligent cru
Autor:
Tomas Gillbro, Sergei M. Bachilo
Publikováno v:
SPIE Proceedings.
Using nanosecond laser excitation the (beta) -carotene S1 emission has been detected in several solvents at room temperature and 77 K. The S1 fluorescence spectrum was recorded in the near IR from 660 to 1250 nm. Time-resolved single photon counting
Publikováno v:
SPIE Proceedings.
Using a picosecond excitation source and a time-resolved streak camera detection system, we have observed the time-resolved photoluminescence spectra of C60 from toluene solution at room temperature and from thin film at both room temperature and 77
Publikováno v:
SPIE Proceedings.
The anomalous damage behavior of BF2+ implantation into silicon at 300 K and 77 K has been investigated by using grazing angle Rutherford backscattering and channeling in combined with transmission electron microscopy. The damage or the amorphous lay
Autor:
Hong-Cheng Li
Publikováno v:
SPIE Proceedings.
High temperature superconducting thin films of GdBa 2 Cu 3 O 7 (GBCO) were fabricated by de-magnetron sputtering on SrTiO 3 , Zr(Y)O 2 (YSZ), MgO and LaAlO 3 (LAO) single crystal substrates. The X-ray diffraction and TEM analysis showed the films wer
Publikováno v:
Space Optics 1994: Earth Observation and Astronomy.
The MARS 94 spacecraft is devoted to a mission to the planet Mars. Planned to be launched in October 1994, it shall reach the planet in September 1995. The lifetime is one Mars year. A second spacecraft will follow two years later. This paper present
Autor:
John G. Pasko, Lester J. Kozlowski, Majid Zandian, Jose M. Arias, Roger E. DeWames, Jagmohan Bajaj, W. E. Tennant
Publikováno v:
SPIE Proceedings.
In this paper we present p-on-n heterostructure HgCdTe photovoltaic device data that illustrates the high performance and flexibility in band gap control of the molecular beam epitaxy (MBE) technology. This flexibility demonstration was carried out b
Publikováno v:
Physical Concepts and Materials for Novel Optoelectronic Device Applications II.
P- and n-type doping of ZnSe is the key technology to fabricate blue/green laser diodes. ZnCdSe/ZnSe quantum-well stripe-geometry laser diodes have been grown by molecular-beam epitaxy with nitrogen radical doping and chlorine doping techniques. Lasi
Autor:
Villy Sundström, Rienk van Grondelle
Publikováno v:
SPIE Proceedings.
With infrared transient absorption spectroscopy we have studied how energy migrates through the light-harvesting antenna of photosynthetic purple bacteria, and how the energy is trapped by the reaction center. In Bchl a-containing purple bacteria the