W. Giriat

Instituto Venezolano de Investigaciones Científicas — VE

Engineering · Physical Sciences

29h-index2.5kcitations160works0.02yr avg
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Research Topics

Chalcogenide Semiconductor Thin Films(91), Semiconductor Quantum Structures and Devices(70), Advanced Semiconductor Detectors and Materials(63), Quantum Dots Synthesis And Properties(42), Semiconductor materials and interfaces(16)

Publications160 total

Electronic structures and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>p</mml:mi><mml:mtext>−</mml:mtext><mml:mi>d</mml:mi></mml:mrow></mml:math>exchange interaction of Mn-doped diluted magnetic semiconductors
Physical Review B·2008· 14 cited
Study of Covalent Spin Interactions in Cd1−x Mn x Se by Cryobaric Magnetophotoluminescence
Advances in materials research·2002
Pressure Effects in Phonon Modes and Structure of A II B 2 III C 4 IV Compounds and Combinations
High Pressure Research·2002· 8 citedOpen Access
Optical properties of ZnSe, ZnCdSe and ZnSSe alloys doped with iron
Journal of Crystal Growth·2000· 13 cited
Intra-shell transitions of 3D metal ions (Fe, Co, Ni) in II–VI wide-gap semiconductor alloys
Physica B Condensed Matter·1999· 14 cited
Temperature Dependence of Photoluminescence in Mn-Doped ZnS Retrieved after the Pressure-Induced Structural Phase Transition
physica status solidi (a)·1999
Temperature Dependence of Photoluminescence in Mn-Doped ZnS Retrieved after the Pressure-Induced Structural Phase Transition
physica status solidi (a)·1999· 5 cited
XANES study of K edges of Fe, Co, Ni, and Se in transition metal selenides. Experiment and comparison with LMTO numerical calculations
Journal of Alloys and Compounds·1999· 9 cited
XANES study of sulphur K edges of transition metal (V, Cr, Mn, Fe, Co, Ni) monosulphides: experiment and LMTO numerical calculations
Journal of Alloys and Compounds·1999· 11 cited
XANES analysis of ZnSe ternary compounds with transition metals (TM): experimental and theoretical LMTO studies
Journal of Alloys and Compounds·1999· 3 cited
Anomalous Enhancement of IR Emission in Zn1?xMnxS Retrieved after Pressure-Induced Phase Transition
physica status solidi (b)·1999· 3 cited
Co<sup>2+</sup>Ions in ZnS<sub>x</sub>Se<sub>1-x</sub>:Co - ESR and Optical Studies
Acta Physica Polonica A·1998· 5 citedOpen Access
Temperature evolution of the 2.1eV band in the Zn1−xMnxSe system for low concentration
Journal of Luminescence·1998· 24 cited
Photoluminescence dynamics of Co-doped Zn1-xCdxSe and ZnSxSe1-xcrystals
Journal of Crystal Growth·1998· 6 cited
Transition Metal Impurities and Electronic Structure of ZnSe-Based Isovalent Semiconductor Alloys
Acta Physica Polonica A·1997· 3 citedOpen Access
Electronic structure of ZnS:Co and ZnSe:Co crystals
Physics of the Solid State·1997· 4 cited
Photoluminescence of Co-Doped ZnCdSe and ZnSSe Alloys
Acta Physica Polonica A·1997· 1 citedOpen Access
The influence of transition metals on the electronic structure of ZnSe host crystal: fundamental reflectivity analysis
Journal of Physics Condensed Matter·1997· 5 cited
An Analysis of Zn and Se K Edge XANES Spectra for ZnMeSe (Me = Ni, Cr, V and Ti)
Journal de Physique IV (Proceedings)·1997· 1 citedOpen Access
XANES Analysis of L<sub>3,2</sub>Edges of Zinc Selenides with Transition Metals
Journal de Physique IV (Proceedings)·1997· 1 citedOpen Access
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Frequent Co-authors

Jolanta Stankiewicz(9), J. K. Furdyna(5), M.P. Vecchi(4), A. Petrou(3), J. J. Loferski(3), J. K. Furdyna(3), S. B. Oseroff(3), R. Calvo(3), A. Wold(2), R. Kershaw(2), David Cahen(2), Y. Mirovsky(2), Gary Hodes(2), J. G. G. S. Ramos(2), Reshef Tenne(2), G. Barilero(2), C. Rigaux(2), Nguyen Hy Hau(2), G. Dolling(2), T. M. Holden(2)