Search Results - "Rudowicz, C."

Clarification of the confusion concerning the crystal-field quantities vs the zero-field splitting quantities in magnetism studies: Part II—Survey of literature dealing with model studies of spin systems by Rudowicz, C.

“…For respective quantities, i.e., Hamiltonians, parameters, and energy level splittings, related to two physically distinct notions X and Y, various cases of…”
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Intrinsically incompatible crystal (ligand) field parameter sets for transition ions at orthorhombic and lower symmetry sites in crystals and their implications by Rudowicz, C., Gnutek, P.

“…Central quantities in spectroscopy and magnetism of transition ions in crystals are crystal (ligand) field parameters (CFPs). For orthorhombic, monoclinic, and…”
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Clarification of the confusion concerning the crystal-field quantities vs. the zero-field splitting quantities in magnetism studies: Part I—Survey of literature dealing with specific compounds by Rudowicz, C.

“…Physically distinct notions: (i) crystal field (CF) or equivalently ligand field (LF), (ii) magnetic or magneto-crystalline anisotropy (MA) or equivalently…”
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Spectroscopic Study of Mn2+ Doped PbS Nanocrystals by Kripal, Ram, Rudowicz, C., Tripathi, Upendra Mani

“…Mn 2+ doped PbS (PbS:Mn 2+ ) semiconductor nanocrystals have been synthesized by standard chemical method and characterized using various techniques for…”
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Energy levels and crystal-field parameters for Pr3+ and Nd3+ ions in rare earth (RE) tellurium oxides RE2Te4O11 revisited – Ascent/descent in symmetry method applied for triclinic site symmetry by Karbowiak, M., Rudowicz, C., Gnutek, P.

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Can the low symmetry crystal (ligand) field parameters be considered compatible and reliable? by Rudowicz, C., Qin, J.

“…This paper stems from our recent efforts to clarify the inconsistencies between the crystal-field parameter (CFP) data sets reported in the literature for…”
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Crystal-field analysis for RE3+ ions in laser materials: III. Energy levels for Nd3+ and Er3+ ions in LaAlO3, YAlO3, and LaGaO3 single crystals – Combined approach to low symmetry crystal field parameters by Karbowiak, M., Gnutek, P., Rudowicz, C.

“…[Display omitted] ► CF analysis of energy levels for Nd3+ and Er3+ ions in ABO3 crystals is presented. ► Combined ADS/SPM strategy is employed. ► Its…”
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Forms of crystal field Hamiltonians – A critical review by Rudowicz, C., Gnutek, P., Karbowiak, M.

“…► Inconsistent sequence of operators in crystal field Hamiltonians [CFHs] is identified. ► This affects signs of some low-symmetry CF parameters [CFPs]. ►…”
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Optical spectra and energy levels analysis of the 4f(N) ions doped into Ba2YCl7 by Karbowiak, M, Cichos, J, Rudowicz, C

“…Absorption emission and excitation spectra are measured and analyzed to achieve assignments of energy levels for 4f(N) ions in Ba(2)YCl(7):RE(3+) (RE = Pr, Nd,…”
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Spectroscopic properties of Fe2+ ions at tetragonal sites—Crystal field effects and microscopic modeling of spin Hamiltonian parameters for Fe2+ (S=2) ions in K2FeF4 and K2ZnF4 by RUDOWICZ, C, PIWOWARSKA, D

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Modeling Spin Hamiltonian Parameters for Fe2+ (S = 2) Adatoms on Cu2N/Cu(100) Surface Using Semiempirical and Density Functional Theory Approaches by Rudowicz, C., Tadyszak, K., Ślusarski, T., Verissimo-Alves, Marcos, Kozanecki, M.

“…Transition metal atoms adsorbed on surfaces (adatoms) behaving like magnets are important for potential applications in quantum computing and memory storage…”
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Energy levels and crystal field parameters for Nd3+ ions in BaY2F8, LiKYF5, and K2YF5 single crystals by Karbowiak, M, Gnutek, P, Rudowicz, C

“…The available experimental energy levels of Nd(3+) ions doped into single crystals of BaY(2)F(8), LiKYF(5), and K(2)YF(5), which exhibit low site symmetry, are…”
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Systematization of crystal field parameters for trivalent rare-earth (RE3+) ions at orthorhombic sites in selected laser materials—standardization approach by Yadav, D., Kripal, R., Gnutek, P., Rudowicz, C.

“…The crucial intrinsic features of orthorhombic crystal field (CF) parameter (CFP) sets, i.e. existence of alternative disparate sets, which belong to different…”
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Truncated forms of zero-field splitting (ZFS) Hamiltonians and implications for interpretation of ZFS parameters for Fe2+(S = 2) ions in K2FeF4 by RUDOWICZ, C, PIWOWARSKA, D

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Interpretation of multiple solutions and selection of the final crystal field parameter sets for orthorhombic and lower symmetry--case study: Er3+ ions at orthorhombic sites in ErNiAl4 by Rudowicz, C, Gnutek, P

“…Existence of multiple solutions for the crystal field (CF) parameter (CFP) sets obtainable from fitting or matching procedures for orthorhombic (as well as…”
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SPIN-HAMILTONIAN FORMALISMS IN ELECTRON MAGNETIC RESONANCE (EMR) AND RELATED SPECTROSCOPIES by Rudowicz, Czeslaw, Misra, Sushil K.

“…The historical development leading to, and the current status of, the spin-Hamiltonian (SH) formalisms, characterizing electron magnetic resonance (EMR), also…”
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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 for RE3+ ions in laser materials: I. Absorption spectra and energy levels calculations for Nd3+ and Pr3+ ions in ABCO4 crystals by Karbowiak, M., Rudowicz, C.

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Electron paramagnetic resonance and optical study of VO2+-doped zinc ammonium phosphate hexahydrate single crystals by Kripal, Ram, Misra, Madan Gopal, Lipinski, I E, Rudowicz, C

“…Electron paramagnetic resonance (EPR) and optical studies of VO2+ ions in zinc ammonium phosphate hexahydrate ZnNH4PO4·6H2O (ZAPH) single crystals were carried…”
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Modeling Spectroscopic Properties of Ni2+ Ions in the Haldane Gap System Y2BaNiO5 by Rudowicz, C., Gnutek, P., Kimura, S., Açıkgöz, M., Yeung, Y. Y.

“…Modeling of spin Hamiltonian parameters enables correlation of crystallographic, spectroscopic, and magnetic data for transition ions in crystals. In this…”
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