Synthesis and Spectroscopic Properties of Monoclinic α-Eu2(MoO4)3

被引：236

作者：

Atuchin, V. V. ^{[1
,2
,3
]}

Aleksandrovsky, A. S. ^{[4
]}

Chimitova, O. D. ^{[5
]}

Gavrilova, T. A. ^{[6
]}

Krylov, A. S. ^{[7
]}

Molokeev, M. S. ^{[8
]}

Oreshonkov, A. S. ^{[7
]}

Bazarov, B. G. ^{[5
]}

Bazarova, J. G. ^{[5
]}

机构：

[1] SB RAS, Inst Semicond Phys, Lab Opt Mat & Struct, Novosibirsk 630090, Russia

[2] Tomsk State Univ, Funct Elect Lab, Tomsk 634050, Russia

[3] Novosibirsk State Univ, Lab Semicond & Dielect Mat, Novosibirsk 630090, Russia

[4] SB RAS, Lab Coherent Opt, Kirensky Inst Phys, Krasnoyarsk 660036, Russia

[5] SB RAS, Lab Oxide Syst, Baikal Inst Nat Management, Ulan Ude 670047, Russia

[6] SB RAS, Inst Semicond Phys, Lab Nanodiagnost & Nanolithog, Novosibirsk 630090, Russia

[7] SB RAS, Kirensky Inst Phys, Lab Mol Spect, Krasnoyarsk 660036, Russia

[8] SB RAS, Kirensky Inst Phys, Lab Crystal Phys, Krasnoyarsk 660036, Russia

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2014年 / 118卷 / 28期

关键词：

STRUCTURAL PHASE-TRANSITIONS; RARE-EARTH MOLYBDATES; VIBRATIONAL PROPERTIES; LUMINESCENCE PROPERTIES; CRYSTAL-STRUCTURE; TRIPLE MOLYBDATE; SINGLE-CRYSTAL; PHOSPHORS; EUROPIUM; RAMAN;

D O I：

10.1021/jp5040739

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The microcrystals of monoclinic europium molybdate, alpha-Eu-2(MoO4)(3), have been fabricated by solid-state synthesis at T = 753-1273 K for 300 h. The crystal structure of alpha-Eu-2(MoO4)(3) has been refined by the Rietveld method and was found to belong to the space group C2/c with unit cell parameters a = 7.5576(1), b = 11.4709(2), c = 11.5158(2) angstrom, and beta = 109.278(1)degrees (R-B = 3.39%). About 40 narrow Raman lines have been observed in the Raman spectrum of the alpha-Eu-2(MoO4)(3) powder sample. The luminescence spectra of alpha-Eu-2(MoO4)(3) under excitation at 355 and 457.9 nm reveal domination of induced electric dipole transition D-5(0) -> F-7(2) and the presence of ultranarrow lines at D-5(0) -> F-7(0) and D-5(1) -> F-7(0) transitions.

引用

页码：15404 / 15411

页数：8

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