Zobrazeno 1 - 10
of 19
pro vyhledávání: '"M. M. Chirila"'
Autor:
T. A. Land, M. M. Chirila, N. Y. Garces, Larry E. Halliburton, Harry B. Radousky, Stavros G. Demos
Publikováno v:
Journal of Applied Physics. 94:6456-6462
Optical absorption and electron paramagnetic resonance (EPR) techniques have been used to characterize the production and thermal decay of point defects in undoped single crystals of KD2PO4 grown at Lawrence Livermore National Laboratory. A crystal w
Autor:
N. Y. Garces, Larry E. Halliburton, M. M. Fejer, M. M. Chirila, Dean R. Evans, Roger K. Route
Publikováno v:
Journal of Applied Physics. 94:301-306
Thermally stimulated luminescence (TSL), optical absorption, and electron paramagnetic resonance (EPR) have been used to characterize the emission of ultraviolet light from undoped LiTaO3. The crystals in this study were grown from a congruent melt a
Autor:
K. Grencewicz, Larry E. Halliburton, M. M. Chirila, C. Wicks, H.J. Murphy, N. Y. Garces, E.A Thomas, J.W Foise, Nancy C. Giles
Publikováno v:
Journal of Physics and Chemistry of Solids. 64:1195-1200
A single crystal of cadmium tungstate (CdWO 4 ) containing approximately 200 ppm of molybdenum was grown by the Czochralski method and then characterized in a series of optical absorption, photoluminescence (PL), photoluminescence excitation (PLE), a
Autor:
M. M. Chirila, K. T. Stevens, Peter G. Schunemann, Lihua Bai, Thomas M. Pollak, N. Y. Garces, Nancy C. Giles, Scott D. Setzler
Publikováno v:
Journal of Applied Physics. 93:8975-8981
An optical absorption investigation from 10 to 296 K has been performed on bulk crystals of ZnGeP2 grown by the horizontal-gradient-freeze method. We identify three broad absorption bands in the spectral range from 1 to 4 μm that are due to native d
Autor:
William M. Yen, N. Y. Garces, D. Shumov, Dean R. Evans, J. S. Cahill, S. A. Basun, R. S. Meltzer, S. A. Rutkowski, Larry E. Halliburton, M. M. Chirila
Publikováno v:
Journal of Applied Physics. 92:1221-1226
Thermoluminescence (TL), optical absorption, and electron paramagnetic resonance (EPR) have been used to characterize point defects in Mg-doped stoichiometric LiNbO3. A broad TL emission, peaking at 440 nm, is observed near 94 K when these crystals a
Autor:
M. M. Chirila, Brenda L. VanMil, Lijun Wang, Larry Wang, A. J. Ptak, Thomas H. Myers, Lihua Bai, Nancy C. Giles
Publikováno v:
Journal of Electronic Materials. 31:770-775
Epitaxial ZnSe layers were grown by molecular beam epitaxy (MBE) to study Cr incorporation with the long-term goal of demonstrating an alternate route for achieving transition-metal-doped lasers. Concentrations between 1015 atoms cm-3 and 4 × 1020 a
Autor:
M. M. Chirila, C. Wicks, K. Grencewicz, Nancy C. Giles, Larry E. Halliburton, N. Y. Garces, H.J. Murphy
Publikováno v:
Journal of Physics and Chemistry of Solids. 61:1871-1876
Infrared absorption bands due to OH − molecular ions have been investigated in single crystals of CdWO 4 . The peak positions of these OH − absorptions depend strongly on the nature of the adjacent entity (either an impurity or vacancy) responsib
Publikováno v:
Journal of Physics and Chemistry of Solids. 61:675-681
The steady-state luminescence properties of bismuth-doped and undoped CdWO4 crystals have been investigated at temperatures ranging from 4.8 to 320 K. Three different excitation wavelengths (313, 325 and 351 nm) were used. The intrinsic “blue” em
Publikováno v:
Carbon. 37:1741-1747
Wide-angle X-ray diffraction (WAXD), magnetometry, electron spin resonance (ESR) and Raman spectroscopy are used to investigate three activated PICA carbons (viz. GX203, P1400, Med 50) with surface areas of 1000, 1150 and 2000 m2/g, respectively. Alt
Publikováno v:
Physical Review B. 68
Electron paramagnetic resonance (EPR) and electron-nuclear double resonance (ENDOR) have been used to characterize two distinct hole centers in single crystals of ${\mathrm{LiB}}_{3}{\mathrm{O}}_{5}$ (commonly referred to as LBO). Irradiating a cryst