Optical Reflection Spectra of CaS in the Synchrotron Radiation Region of 5∼35 eV

Morimoto, Koichi; Koda, T.

doi:10.1143/jpsj.50.1047

Cited by 14 publications

(1 citation statement)

References 5 publications

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“…They are actively investigated both theoretically [ 1 to 31 as well as experimentally [4 to 61. The band structures and optical spectra of CaS, SrS, and Bas have been obtained but there is very little information about MgS.…”

Section: Introductionmentioning

confidence: 99%

Electronic structure and optical properties of MgS

Stepanyuk¹,

Grigоrenko²,

Katsnelson³

et al. 1992

Physica Status Solidi (b)

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Electronic Structure and Optical Properties of MgS BY V. S. STEPANYUK (a), A. A. GRIGORENKO (a), A. A. KATSNELSON (a), 0. V. FARBEROVICH (a), A. SzAsz (b), and V. V. MIKHAILIN (a) The electronic structure and optical properties of MgS are calculated by the totally self-consistent linear augmented plane wave method.Elektronenstruktur und optische Eigenschaften von MgS werden mit der vollstandig selbstkonsistenten LAPW-Methode berechnet.

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Section: Introductionmentioning

confidence: 99%

Electronic structure and optical properties of MgS

Stepanyuk¹,

Grigоrenko²,

Katsnelson³

et al. 1992

Physica Status Solidi (b)

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Luminescence et structure vibrationnelle des luminophores CaS:Ce³⁺ et CaSe:Ce³⁺

Asano

Yamashita

Ogawa

1983

Physica Status Solidi (b)

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S. ASANO et al. : Luminescence e t structure vibrationnelle des luminophores 89 phys. stat. sol. (b) 118, 89 (1983) Luminescence et structure vibrationnelle des luminophores CaS : Ce8+ et Case : Ces+ Par S. ASANO, N. YAMASHITA et Y. OGAWA Excitation and emission spectra for CaS:Ce3+ and CaSe:Ce3+ phosphors are measured a t 6, 80, and 300 K. The vibrational structure on the emission bands 2Tzg -2F5/2, 2F7/2 and the excitation band 2F5/2 -aT2g is analysed by the use of energy matrices in order to determine the coupling constant of spin-orbit interaction [ f and the crystal field parameters VLf), Vkf) for the 4f orbit. I n addition, some information on the transfer of the excitation energy from the host crystal to an unexcited Ce3+ ion is obtained by the aid of the diffused reflection spectra of CaS, Case, SrS, and SrSe phosphors containing no activator. k l 3~e p e~b 1 cneKTpbI m n y s e~n~ II B O~~Y X A~H H R JIH)MHHO@OPOB CaS:Ce3+ II Case: Ce3+ npa 6, 80 II 300 K. H c n o n b a o~a~~e~ MaTpm 3~e p 1 -n~ a~a n~a n p o s a~a ~o n e 6 a~e n b~a~ cTpyKTypa Ha nOnOCaX 113nyseHaR 2Tzg -'F5/2, 2F7/~ a nonoce BO36ymHeHHR 2F5/2 -Cf EI napaMeTpb1 HpncTannasecKoro IIOJIFI V($, V(,f) AJIX op611~b14f. ITOMHMO Toro, c no-SrS H SrSe IIOJIyseHbI HeKOTOpbIe C O O~U~H H H o nepenase 3~e p r m BO36yXAeHHX OT -+ 'T2g AJIH TOrO, 9~0 6~ OIlpeaeJlHJlIICb KOHCTaHTa CIIIIH-Op6IITanbHOrO B3aMMOAeBCTBHX MOWbIo CneIETpa AII@@Y3HOI'O OTpaXeHHH 6e3aKTHBaTOpHbIX JIH)MUHO@OpOB CaS, Case, OCHOBHOrO KpllCTanna K HeB036YXAeHHOMY EIOHY Ce3+. l) Okayama 700, Japan.

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The preparation and thermoluminescence of alkaline earth sulphide phosphors

Rao

1986

J Mater Sci

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The present article offers a review of the material preparation and thermoluminescence (TL) of alkaline earth sulphide phosphors. Different methods of material preparation and characterization of alkaline earth sulphides in the form of polycrystalline powders, films, single crystals and pellets are described. In the process of impurity doping, the role of flux is explained. The general theory of TL and the different methods used to calculate the trapping parameters (E and s) from the TL glow curves are presented. The effects of impurities, flux, grain size, preparative parameters etc. on the TL of these materials are reported. The types of trapsand trapping parameters obtained by various workers are given. Considering the results presented by various authors, possible impurity complexes are proposed. The potential applications of these phosphors in TL and OSL dosimetry, cathode ray tubes, electroluminescence panels and infrared sensors are briefly discussed.

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Optical Reflection Spectra of CaS in the Synchrotron Radiation Region of 5∼35 eV

Cited by 14 publications

References 5 publications

Electronic structure and optical properties of MgS

Electronic structure and optical properties of MgS

Luminescence et structure vibrationnelle des luminophores CaS:Ce³⁺ et CaSe:Ce³⁺

The preparation and thermoluminescence of alkaline earth sulphide phosphors

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Optical Reflection Spectra of CaS in the Synchrotron Radiation Region of 5∼35 eV

Cited by 14 publications

References 5 publications

Electronic structure and optical properties of MgS

Electronic structure and optical properties of MgS

Luminescence et structure vibrationnelle des luminophores CaS:Ce3+ et CaSe:Ce3+

The preparation and thermoluminescence of alkaline earth sulphide phosphors

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Luminescence et structure vibrationnelle des luminophores CaS:Ce³⁺ et CaSe:Ce³⁺