Search Results - "GNUTEK, P"

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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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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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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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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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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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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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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Reanalysis of energy levels and crystal field parameters for Er3+ and Tm3+ ions at C2 symmetry sites in hexahydrated trichloride crystals—Intricate aspects of multiple solutions for monoclinic symmetry by KARBOWIAK, M, GNUTEK, P, RUDOWICZ, C

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EPR Study of Cr3+ and Fe3+ Impurity Ions in Nominally Pure and Co2+-Doped YAlO3 Single Crystals by Stefaniuk, I., Rudowicz, C., Gnutek, P., Suchocki, A.

“…In this paper, we report electron paramagnetic resonance (EPR) measurements of YAlO 3 (YAP) single crystals and their preliminary theoretical analysis. Two…”
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Low symmetry aspects in spectroscopic and magnetic susceptibility studies of Tb3+(4f8) in TbAlO3 by Rudowicz, C., Gnutek, P., Brik, M.G.

“…O6; The three sets of crystal field parameters (CFPs) obtained from spectroscopic and magnetic susceptibility studies of Th3+(4f8) ions in TbAlO3 by Gruber et…”
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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.

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Tools for magnetostructural correlations for the 3d8(3A2 state) ions at orthorhombic sites: Comparative study with applications to Ni2+ ions in Y2BaNiO5 and Nd2BaNiO5 by Gnutek, P., Açıkgöz, M., Rudowicz, C.

“…Three approaches are employed to study magnetostructural correlations for the 3d8(3A2 state) ions at orthorhombic sites in crystals: (i) the higher-order…”
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Tools for magnetostructural correlations for the 3d super(8)( super(3)A sub(2) state) ions at orthorhombic sites: Comparative study with applications to Ni super(2+) ions in Y sub(2)BaNiO sub(5) and Nd sub(2)BaNiO sub(5) by Gnutek, P, Acikgoz, M, Rudowicz, C

“…Three approaches are employed to study magnetostructural correlations for the 3d super(8)( super(3)A sub(2) state) ions at orthorhombic sites in crystals: (i)…”
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Modelling spectroscopic properties of NiSnCl6·6H2O as a probe for pressure calibration in high-magnetic field and high-frequency EMR measurements by Gnutek, P., Rudowicz, C., Ohta, H., Sakurai, T.

“…Spectroscopic properties of NiSnCl6·6H2O are modelled to establish its applicability as a probe for pressure calibration in high-magnetic field and…”
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Interpretation of multiple solutions and selection of the final crystal field parameter sets for orthorhombic and lower symmetry—Case study: Er 3+ ions at orthorhombic sites in ErNiAl 4 by Rudowicz, C., Gnutek, P.

“…► Peculiarities in interpretation of multiple solutions and selection of final CFP sets are explained. ► CFP sets from Mössbauer spectroscopy and INS for Er 3+…”
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Crystal-field analysis for RE3+ ions in laser materials: II. Absorption spectra and energy levels calculations for Nd3+ ions doped into SrLaGa3O7 and BaLaGa3O7 crystals and Tm3+ ions in SrGdGa3O7 by Karbowiak, M., Gnutek, P., Rudowicz, C., Ryba-Romanowski, W.

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Spin Hamiltonian Parameters for Co 2+ Ions in PbMoO 4 Crystal - Interplay between the Fictitious Spin S'=1/2 and the Effective Spin S̃ =3/2 by Piwowarska, D., Kaczmarek, S.M., Gnutek, P., Rudowicz, C.

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Energy levels and crystal field parameters for Nd 3+ ions in BaY 2F 8, LiKYF 5, and K 2YF 5 single crystals by Karbowiak, M., Gnutek, P., Rudowicz, C.

“…[Display omitted] ► The experimental energy levels of Nd 3+ ions at low site symmetry are reanalyzed. ► A combined approach is utilized for analysis of…”
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