Search Results - "Brik, M."

Site Occupancy Preference, Enhancement Mechanism, and Thermal Resistance of Mn4+ Red Luminescence in Sr4Al14O25: Mn4+ for Warm WLEDs by Peng, Mingying, Yin, Xuewen, Tanner, Peter A, Brik, M. G, Li, Pengfei

“…Red phosphors play an indispensable role in phosphor-based warm white light-emitting diodes (WLEDs). We demonstrated recently that the non-rare-earth phosphor…”
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On the optical properties of the Mn4+ ion in solids by Brik, M.G., Srivastava, A.M.

“…A review of the optical properties of Mn4+ ions in a number of host lattices is presented. As an example, detailed crystal field calculations of the Mn4+…”
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Narrow Red Emission Band Fluoride Phosphor KNaSiF6:Mn(4+) for Warm White Light-Emitting Diodes by Jin, Ye, Fang, Mu-Huai, Grinberg, Marek, Mahlik, Sebastian, Lesniewski, Tadeusz, Brik, M G, Luo, Guan-Yu, Lin, Jauyn Grace, Liu, Ru-Shi

“…Red phosphors AMF6:Mn(4+) (A = Na, K, Cs, Ba, Rb; M = Si, Ti, Ge) have been widely studied due to the narrow red emission bands around 630 nm. The different…”
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Crystal field studies of the Mn4+ energy levels in the perovskite, LaAlO3 by Srivastava, A.M., Brik, M.G.

“…•The energy level of Mn4+ in LaAlO3 is calculated using the exchange charge model of crystal field theory.•The calculated energy levels match the experimental…”
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First-principles studies of the electronic and elastic properties of metal nitrides XN (X=Sc, Ti, V, Cr, Zr, Nb) by Brik, M.G., Ma, C.-G.

“…▸ The first ab initio analysis of the elastic anisotropy of metal nitrides is reported. ▸ CrN, VN, ZrN, NbN exhibit highly anisotropic Young’s moduli. ▸…”
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VP42.01: Prenatal diagnosis of umbilical artery thrombosis by Farràs, A., Higueras, T., Brik, M., Arevalo, S., Carreras, E.

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Comparative first-principles calculations of electronic, optical and elastic anisotropy properties of CsXBr3 (X = Ca, Ge, Sn) crystals by BRIK, M. G

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Impact of structure complexity on optoelectronic and non-linear optical properties in quaternary Ag(Pb)–Ga(In)–Si(Ge)–S(Se) systems by Piasecki, M., Myronchuk, G., Khyzhun, O.Y., Fedorchuk, A., Andryievsky, B., Barchyi, I., Brik, M.

“…A common feature of chalcogenide crystals is the presence of the chalcogen-chalcogen bonds, which result in very stable anion sub-structures (blocks)…”
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EP37.16: Intrauterine cannabis exposure and fetal and maternal blood flow by Brik, M., Gil, J., Fleury, A. Hernández, Sandonis, M., Farras, A., Carreras, E.

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Ab initio and crystal field studies of the Mn4+―doped Ba2LaNbO6 double―perovskite by SRIVASTAVA, A. M, BRIK, M. G

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First-principles calculations of the structural and electronic properties of the cubic CaZrO3 (001) surfaces by Brik, M.G., Ma, C.-G., Krasnenko, V.

“…The (001) surfaces of cubic perovskite CaZrO3 with two different terminations (CaO and ZrO2) were studied using the first principles density functional theory…”
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First-principles calculations of structural, electronic, optical and elastic properties of magnesite MgCO3 and calcite CaCO3 by BRIK, M. G

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Structural, optical and crystal field analyses of undoped and Mn2+-doped ZnS nanoparticles synthesized via reverse micelle route by Krsmanović Whiffen, R.M., Jovanović, D.J., Antić, Ž., Bártová, B., Milivojević, D., Dramićanin, M.D., Brik, M.G.

“…Zinc sulfide, both as a bulk material and in nanocrystalline form, is a valuable luminescent material with important applications. Doped ZnS nanoparticles of…”
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Influence of Al3+ ions on luminescence efficiency of Eu3+ ions in barium boro-phosphate glasses by Kalpana, T., Brik, M.G., Sudarsan, V., Naresh, P., Ravi Kumar, V., Kityk, I.V., Veeraiah, N.

“…The emission and life time decay characteristics of Eu3+ ions in barium boro-phosphate glasses mixed with different concentrations of Al2O3 are studied. The…”
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De-quenching influence of aluminum ions on Y/B ratio of Dy3+ ions in lead silicate glass matrix by Sundara Rao, M., Sudarsan, V., Brik, M.G., Gandhi, Y., Bhargavi, K., Piasecki, M., Kityk, I.V., Veeraiah, N.

“…Emission features Dy3+ ion in lead alumino silicate glasses as a function of Al2O3 concentration were studied. The observed increase in the intensity of all…”
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Does exercise during pregnancy impact on maternal weight gain and fetal cardiac function? A randomized controlled trial by Brik, M., Fernández‐Buhigas, I., Martin‐Arias, A., Vargas‐Terrones, M., Barakat, R., Santacruz, B.

“…ABSTRACT Objective To evaluate the association between physical exercise during pregnancy and maternal gestational weight gain and fetal cardiac function…”
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Spectroscopic and crystal field analysis of absorption and photoluminescence properties of red phosphor CaAl12O19:Mn4+ modified by MgO by BRIK, M. G, PAN, Y. X, LIU, G. K

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Photoinduced features of energy bandgap in quaternary Cu2CdGeS4 crystals by Brik, M G, Kityk, I V, Parasyuk, O V, Myronchuk, G L

“…The quaternary chalcogenide crystal Cu2CdGeS4 was studied both experimentally and theoretically in the present paper. Investigations of polarized fundamental…”
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Ab-initio studies of the electronic and optical properties of ZnWO4 and CdWO4 single crystals by Brik, M.G., Nagirnyi, V., Kirm, M.

“…Two technologically important materials – cadmium tungstate CdWO4 and zinc tungstate ZnWO4 – are studied in details using the plane wave based first-principles…”
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Ionicity and birefringence of α-LiNH4SO4 crystals: ab initio DFT study, X-ray spectroscopy measurements by Rudysh, M. Ya, Brik, M. G, Khyzhun, O. Y, Fedorchuk, A. O, Kityk, I. V, Shchepanskyi, P. A, Stadnyk, V. Yo, Lakshminarayana, G, Brezvin, R. S, Bak, Z, Piasecki, M

“…The structural, electronic properties and ionicity of the lithium ammonium sulfate dielectric crystals are examined using a complex approach including…”
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