Dielectric relaxation in pure and Co-doped single crystals

C Filipič, A Klos, M Gajc, DA Pawlak… - Journal of advanced …, 2015 - World Scientific
We report the results of investigation of dielectric spectroscopy study of single crystals of Bi
12 GeO 20 and Bi 12 GeO 20 doped with Co nanoparticles. The complex dielectric constant …

Spectroscopic properties of red Bi4Ge3O12 by vertical Bridgman method

P Yu, L Su, H Zhao, X Guo, H Li, X Feng, Q Yang, J Xu - Optical Materials, 2011 - Elsevier
Red Bi4Ge3O12 (BGO) single crystals had been grown by vertical Bridgman (VB) method.
The structure of this crystal was determined by XRD. The absorption and emission spectra of …

Photoelectronic properties of HgI2

J Bornstein, RH Bube - Journal of applied physics, 1987 - pubs.aip.org
Two types of photoelectronic measurements have been used to determine the properties of
HgI2 crystals and photodetector cells: thermally stimulated conductivity, and spectral …

EPR characterization of Co impurities doping Bi4Ge3O12 single crystals

D Bravo, A Martin, FJ Lopez - Solid state communications, 1993 - Elsevier
Electron paramagnetic resonance (EPR) measurements at 5 K of cobalt-doped Bi 4 Ge 3 O
12 single crystals are reported. A unique axial spectrum has been detected. It has been …

Steady state and transient photoconductivity in a-Sb15Ge10Se75

AS Maan, AK Sharma, DR Goyal, A Kumar - Journal of non-crystalline …, 1988 - Elsevier
An investigation of photoconductivity in thin films of Sb 15 Ge 10 Se 75 prepared by vacuum
evaporation is reported. The measurements were carried out at various temperatures and …

Some properties of Bi12SiO20: Fe doped crystals

D Nesheva, Z Aneva, Z Levi - Journal of Physics and Chemistry of Solids, 1994 - Elsevier
Abstract Pure and Fe-doped Bi 12 SiO 20 monocrystals have been studied. Five different
Feoncentrations (0.36, 1.8, 3.6, 7.2 and 10.8 mol%) were incorporated. An increase of the …

Nonlinear transient response of extrinsic Ge far‐infrared photoconductors

RM Westervelt, SW Teitsworth - Journal of applied physics, 1985 - pubs.aip.org
Physical mechanisms responsible for nonlinear phenomena and anomalous transient
response of cooled extrinsic far‐infrared photoconductors are discussed. A simple model …

Scintillation yield of Bi4Ge3O12 (BGO) pixel crystals

W Drozdowski, AJ Wojtowicz, SŁM Kaczmarek… - Physica B: Condensed …, 2010 - Elsevier
BGO crystals have been grown using the Czochralski method by the West Pomeranian
University of Technology in Szczecin, Poland. We report the measurements of scintillation …

Crystal growth and spectroscopic properties of MoO3 and WO3 doped Bi4Ge3O12 by optical floating zone method

P Yu, A Wu, L Su, X Guo, YB Wang, H Zhao… - Journal of Alloys and …, 2010 - Elsevier
MoO3 and WO3 doped Bi4Ge3O12 (BGO) crystals were grown by the optical floating zone
(OFZ) method. The structure of doped crystals was determined by XRD. The fluorescence …

Photoluminescence of Bi3+ in Y3Ga5O12 single-crystal host

M Nikl, A Novoselov, E Mihokova, K Polak… - Journal of Physics …, 2005 - iopscience.iop.org
Photoluminescence spectra and decay kinetics within 10–350 K were measured in the Bi-
doped Y 3 Ga 5 O 12 single crystal prepared by the micro-pulling-down technique …