Synthesis, structure, melting and optical properties of three complex orthorhombic sulfides BaDyCuS3, BaHoCuS3 and BaYbCuS3

被引：15

作者：

Azarapin, Nikita O. ^{[1
]}

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

Maximov, Nikolai G. ^{[4
]}

Aleksandrovsky, Aleksandr S. ^{[5
,6
]}

Molokeev, Maxim S. ^{[7
,8
,9
]}

Oreshonkov, Aleksandr S. ^{[8
,10
]}

Shestakov, Nikolai P. ^{[10
]}

Krylov, Alexander S. ^{[10
]}

Burkhanova, Tatyana M. ^{[1
]}

Mukherjee, Shaibal ^{[11
]}

Andreev, Oleg, V ^{[1
,12
]}

机构：

[1] Tyumen State Univ, Inst Chem, Tyumen 625003, Russia

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

[3] Kemerovo State Univ, Res & Dev Dept, Kemerovo 650000, Russia

[4] Fed Res Ctr KSC SB RAS, Inst Chem & Chem Technol, Krasnoyarsk 660049, Russia

[5] Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Lab Coherent Opt, Krasnoyarsk 660036, Russia

[6] Siberian Fed Univ, Inst Nanotechnol Spect & Quantum Chem, Krasnoyarsk 660041, Russia

[7] Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Lab Crystal Phys, Krasnoyarsk 660036, Russia

[8] Siberian Fed Univ, Krasnoyarsk 660041, Russia

[9] Far Eastern State Transport Univ, Dept Phys, Khabarovsk 680021, Russia

[10] Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Lab Mol Spect, Krasnoyarsk 660036, Russia

[11] Indian Inst Technol Indore, Elect Engn & Ctr Adv Elect CAE, Hybrid Nanodevice Res Grp HNRG, Indore 453552, Madhya Pradesh, India

[12] UB RAS, Inst Solid State Chem, Lab Chem Rare Earth Cpds, Ekaterinburg 620137, Russia

来源：

MATERIALS RESEARCH BULLETIN | 2021年 / 140卷

基金：

俄罗斯科学基金会;

关键词：

Complex sulfides; Crystal structure; SEM; Raman; Melting point; = RARE-EARTH; QUATERNARY CHALCOGENIDES; PHASE-EQUILIBRIA; SRLNCUS(3) LN; CRYSTAL; SYSTEMS; LA; PERFORMANCE; GENERATION; SE;

D O I：

10.1016/j.materresbull.2021.111314

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Complex sulfides BaDyCuS3, BaHoCuS3 and BaYbCuS3 were synthesized in a flow of sulfiding gases (CS2, H2S) at 900 degrees C from standard solutions of lanthanide and copper nitrates, as well as from the same standard Ba(OH)(2) solution. The crystal structures of BaDyCuS3, BaHoCuS3 and BaYbCuS3 were obtained by the Rietveld refinement method. All three compounds crystallize in the Cmcm space group (KZrCuS3 structural type) as predicted by the tolerance factor analysis. Their micromorphological, thermal and spectroscopic properties are evaluated. BaDyCuS3 and BaHoCuS3 melt congruently at 1376.5 degrees C and 1363.8 degrees C. BaYbCuS3 melts incongruently at 1353.3 degrees C. The optical band gap is 2.45 eV for BaDyCuS3, 2.37 eV for BaHoCuS3 and 1.82 eV for BaYbCuS3. The low bandgap of BaYbCuS3 is explained by the charge transfer band of Yb at the bottom of conduction band. The vibrational parameters of BaDyCuS3, BaHoCuS3 and BaYbCuS3 crystals were determined with the use of Raman and Infrared spectroscopies.

引用

页数：9

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