Zobrazeno 1 - 10
of 152
pro vyhledávání: '"H E, Wagner"'
Publikováno v:
physica status solidi (b). 252:1827-1831
Fourier transform infrared absorption measurements have been carried out on GaAs crystals doped or implanted with carbon, nitrogen and oxygen. In the presence of carbon and nitrogen, thermally stable defects occur with strong molecular-like bonding g
Publikováno v:
physica status solidi (b). 250:324-328
Infrared absorption measurements have been carried out on a carbon–oxygen complex in gallium arsenide. The stretching mode at 2059.6 cm−1 has been investigated at low temperatures with polarized light under uniaxial stress in the 〈100〉, 〈11
Autor:
R. Wild, L. Stollenwerk, H.-E. Wagner, S Nemschokmichal, Jürgen Meichsner, M. Bogaczyk, Ronny Brandenburg
Publikováno v:
Contributions to Plasma Physics. 52:847-855
A discharge cell configuration combining three high-end diagnostic techniques (cross-correlation spectroscopy, electro-optic Pockels effect and laser induced fluorescence spectroscopy) has been developed. The joint application of these diagnostics en
Autor:
H. Ch. Alt, H. E. Wagner
Publikováno v:
Physica B: Condensed Matter. 407:2985-2988
Shallow donors in silicon related to nitrogen–oxygen complexes have been investigated by piezospectroscopy of their hydrogenic transitions in the far infrared. Complete stress dependences up to 0.25 GPa were obtained for the 1s→2p 0 and 1s→2p
Autor:
F. Bittersberger, H. Ch. Alt, Andreas Dr. Dipl.-Phys. Huber, H. E. Wagner, W.v. Ammon, L. Koester
Publikováno v:
Physica B: Condensed Matter. :130-133
FTIR absorption measurements have been carried out on shallow donor transitions in silicon related to (N, O)-complexes. Growth of a nitrogen-doped float-zone ingot with an axial variation of the interstitial oxygen concentration from 16 up to 6×10 1
Publikováno v:
Experimental physiology. 100(11)
What is the topic of this review? Recent developments link relatively lower hemoglobin concentration in Tibetans at high altitude to exercise capacity and components of oxygen transport. What advances does it highlight? Haemoglobin concentration (ran
Autor:
Yu. V. Yurgelenas, H.-E. Wagner
Publikováno v:
Journal of Physics D: Applied Physics. 39:4031-4043
A two-dimensional (axially symmetric) computational model of the microdischarge formation in a barrier discharge for short (1–2 mm) gaps in air at atmospheric pressure is proposed. A non-homogeneous electric field, caused by a residual non-uniform
Publikováno v:
Journal of Physics D: Applied Physics, 39(4), 700-711. Institute of Physics
The discharge behaviour of a dielectric barrier discharge (DBD) in low-pressure argon gas was investigated by experiments and modelling. The electrical characteristics and light emission dynamics of the discharge were measured and compared with the r
Autor:
Pavel Stahel, H.-E. Wagner, David Trunec, Z. Kopecký, Antonín Brablec, Ronny Brandenburg, Zdeněk Navrátil
Publikováno v:
Plasma Sources Science and Technology. 15:8-17
Diffuse dielectric barrier discharges in neon and helium at atmospheric pressure were studied. The discharges were generated between two metal electrodes, both covered by an alumina layer and driven by ac voltage of frequency 10 kHz. The discharge ga
Publikováno v:
Surface and Coatings Technology. 200:818-821
Spatially resolved mass spectrometry investigations on a reactive plasma jet are presented. The jet is created by a low-power 2.45 GHz microwave-driven plasma source inside a process chamber. The working pressure adjusted by N 2 inlet into the proces