Search Results - "AVRAM, C. N"

Modeling of crystal field and spin-Hamiltonian parameters for Ti3+:MgO by Barb, A.M., Gruia, A.S., Avram, C.N.

“…The aim of this paper is to model the crystal field parameters (CFPs) and spin-Hamiltonian parameters (g factors g||, g⊥ and hyperfine structure constants A||,…”
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Synthesis and characterization of Zn3Ta2O8 nanomaterials by hydrothermal method by Bîrdeanu, M., Bîrdeanu, A.-V., Gruia, A.S., Fagadar-Cosma, E., Avram, C.N.

“…The results of an experimental program that was focused on obtaining the Zn3Ta2O8 nanocrystalline synthesized by hydrothermal method using tantalum (V) oxide…”
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Ground and excited state absorption of Ni2+ ions in MgAl2O4 : Crystal field analysis by BRIKA, M. G, AVRAM, N. M, AVRAM, C. N, RUDOWICZ, C, YEUNG, Y. Y, GNUTEK, P

“…The exchange charge model (ECM) of crystal field is utilized to provide the theoretical explanation of the ground state absorption and the excited state…”
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Crystal field analysis of energy level structure of LiAlO2:Cr4+ and LiGaO2:Cr4 by Brik, M. G., Avram, C. N., Tanaka, I.

“…A detailed analysis of the energy level structure of tetrahedrally coordinated Cr4+ ion in lithium aluminium oxide LiAlO2 (γ‐phase) and lithium dioxogallate…”
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Advances of crystal field theory and exchange charge model by Brik, M.G., Avram, N.M., Avram, C.N.

“…A short overview of the exchange charge model of crystal field is given. Several most important applications of the model to the calculations of the crystal…”
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Non-radiative transitions in the anharmonic oscillating field model by Brik, M.G., Drăgănescu, G.E., Avram, N.M., Avram, C.N.

“…Non-radiative transitions (NRT) between electron states of an impurity ion are considered in the framework of the energy levels crossing model. NRT is supposed…”
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Dynamic Jahn–Teller effect for V2+ in MgO single crystal by Nistora, R., Avram, C.N.

“…[Display omitted] ► Crystal field parameters for V2+:MgO were calculated. ► We calculated the fine structure of the 4T2g energy levels. ► Some parameters of…”
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Ab initio calculations of the electronic, structural and elastic properties of Nb2InC by Brik, M.G., Avram, N.M., Avram, C.N.

“…► Structural, electronic, and elastic properties of Nb2InC were calculated. ► Pressure effects on the structural and elastic properties were analyzed. ► For…”
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First principles and crystal field calculations of the spectral, structural and electric properties of (Na, Li)VSi2O6 clinopyroxenes crystals by Brik, M G, Gruia, A S, Avram, C N, Andreici, E-L, Avram, N M

“…In the present paper we report on the results of theoretical modeling of the structural, spectral and electronic properties of (Na, Li)VSi2O6 clinopyroxenes…”
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Comparative study of crystal field effects for Ni2+ ion in LiGa5O8, MgF2 and AgCl crystals by BRIK, M. G, AVRAM, C. N, AVRAM, N. M

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Crystal field effects and electron-phonon interaction in K2LiAlF6:Cr3 by REISZ, A. M, BRIK, M. G, AVRAM, C. N, AVRAM, N. M

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Spin-Hamiltonian Parameters For CrLi3+ Doped In LiNbO3 by Avram, N.M., Brik, M. G., Avram, C. N., Ciresan, M.G., Andreici, E-L.

“…By using crystal field theory, the spin-Hamiltonian parameters [zero-field splitting D, the giromagnetic factors g ( and ) and the first excited state…”
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Comparative crystal field study of Ni2+ energy levels in NiCl2, NiBr2, and NiI2 crystals by BRIK, M. G, AVRAM, N. M, AVRAM, C. N

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Crystal field analysis of energy level structure of the Cr2O3 antiferromagnet by BRIK, M. G, AVRAM, N. M, AVRAM, C. N

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Calculations of spin hamiltonian parameters and analysis of trigonal distortions in LiSr(Al,Ga)F6:Cr3+ crystals by BRIK, M. G, AVRAM, C. N, AVRAM, N. M

“…The effective spin-Hamiltonian (SH) parameters (zero-field splitting D and g factors g and g) for Cr3+ ions in LiSr(Al,Ga)F6 crystals are calculated from the…”
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Crystal field analysis of energy level structure of LiAlO2:V3+ and LiGaO2:V3 by Brik, M G, Avram, N M, Avram, C N

“…A detailed analysis of the energy level structure of tetrahedrally coordinated V(3+) ion in lithium aluminum oxide LiAlO(2) (gamma-phase) and lithium…”
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Electron-phonon interaction in the V2+:CsCaF3 laser crystal: geometry of the [VF6]4- complex in the 4T2g excited state by AVRAM, C. N, BRIK, M. G, TANAKA, I, AVRAM, N. M

“…The dynamic Te Jahn-Teller effect in the 4T2g lowest excited state of the V2+ ion in the CsCaF3 laser crystal is considered using an analysis of the ligands…”
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Fine structure of V2+ energy levels in CsCaF3:V2 by AVRAM, C. N, BRIK, M. G

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Optical Energy Levels Scheme for Co super(2+) doped in K(Mg,Zn)F sub(3) Fluoroperovskites by Barb, A M, Gruia, A S, Avram, C N

“…The aim of this paper is to model the crystal field parameters and simulate the fine structure of optical energy levels scheme of Co super(2+):K(Mg,Zn)F sub(3)…”
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Optical absorption spectra and g factor of MgO: Mn2+explored by ab initio and semi empirical methods by Andreici Eftimie, E.-L., Avram, C.N., Brik, M.G., Avram, N.M.

“…In this paper we present a methodology for calculations of the optical absorption spectra, ligand field parameters and g factor for the Mn2+ (3d5) ions doped…”
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