Zobrazeno 1 - 10
of 15
pro vyhledávání: '"H Niedrais"'
Publikováno v:
Chemical Physics Letters. 197:17-20
This is the first report about the optical spectra of radiation defects in rare gas solids. The study of these defects, induced by means of X-rays, has been carried out by using free single crystals of krypton with a thickness of 1 cm. Four new absor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d9f98290ee72ae7468f67000760d1555
https://doi.org/10.1016/0009-2614(92)86014-9
https://doi.org/10.1016/0009-2614(92)86014-9
Publikováno v:
Physica Scripta. 45:79-82
Absorption, excitation and time-resolved emission spectra of xenon are measured and analysed. Coherent pulsed VUV light in the wavelength range 1400-1600 A, generated by nonlinear frequency mixing in Mg vapour, is used as the source of excitation. Vi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9bc9dcacc3020da3b33e94ee2d3f178d
https://doi.org/10.1088/0031-8949/45/2/004
https://doi.org/10.1088/0031-8949/45/2/004
Publikováno v:
Physica Scripta. 43:517-520
The normal-incidence monochromator beamline at the 550 MeV electron storage ring MAX in Lund has been utilized for VUV spectroscopy of solids at low temperatures. The experimental setup is described in some detail. The first results include reflectiv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::abdc85ea0428e144233e98e663c869e8
https://doi.org/10.1088/0031-8949/43/5/015
https://doi.org/10.1088/0031-8949/43/5/015
Autor:
H. Niedrais, Marco Kirm
Publikováno v:
Journal of Luminescence. :611-613
A solid bulk krypton crystal was irradiated by X-rays at low temperature. Four new absorption bands were detected in the transparency region of the Kr crystal. The thermally stimulated emission was observed between 39 and 49 K. The presence of two re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::402153623ffcce5c3aeb82bc8dbf65dc
https://doi.org/10.1016/0022-2313(94)90230-5
https://doi.org/10.1016/0022-2313(94)90230-5
Publikováno v:
physica status solidi (b). 101:431-436
The effect of pulsed magnetic fields up to 15 T on the decay times of KC1:Sn AT luminescence is investigated at 4.2 K. The decay consists of two exponential components. The decay time of the fast component decreases from 3.3 × 10−3 s at H = 0 to 2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2496362013e6e69b28633f233b3e462b
https://doi.org/10.1002/pssb.2221010146
https://doi.org/10.1002/pssb.2221010146
Autor:
H. Niedrais, V.G. Stankevich, V. N. Golubev, R.A. Kink, N. Yu. Svechnikov, K. Kalder, K.V. Kaznacheev
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 282:684-687
In a wide spectral range, synchrotron-radiation investigations of the spectra of reflection, luminescence and excitation of luminescence have been carried out for thin crystalline YBa2Cu3O7−x films. A model for the lumiscence center in YBa2Cu3O7−
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9fd8585c9abd19f38f7a6d42b187228
https://doi.org/10.1016/0168-9002(89)90081-8
https://doi.org/10.1016/0168-9002(89)90081-8
Publikováno v:
physica status solidi (b). 139:321-327
At 115 to 130 K, where the concentration of vacancies in solid Xe is in thermodynamical equilibrium, the intensities of two luminescence bands at 7.2 (A) and 7.6 eV (B) are investigated for Xe crystals under 70 at pressure or without any excess press
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::01cb311d9e58ad14b3e059671f6f1340
https://doi.org/10.1002/pssb.2221390132
https://doi.org/10.1002/pssb.2221390132
Publikováno v:
Proceedings of the Academy of Sciences of the Estonian SSR. Physics. Mathematics. 32:198
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::542283dd96d708ec2c1edf5904547863
https://doi.org/10.3176/phys.math.1983.2.11
https://doi.org/10.3176/phys.math.1983.2.11
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