Li2100deplMoO4 crystals grown by low-thermal-gradient Czochralski technique

被引：10

作者：

Grigorieva, V. D. ^{[1
]}

Shlegel, V. N. ^{[1
]}

Borovlev, Yu A. ^{[1
]}

Bekker, T. B. ^{[2
,3
,4
]}

Barabash, A. S. ^{[5
]}

Konovalov, S., I ^{[5
]}

Umatov, V., I ^{[5
]}

Borovkov, V., I ^{[3
,6
]}

Meshkov, O., I ^{[3
,7
]}

机构：

[1] SB RAS, Nikolaev Inst Inorgan Chem, Novosibirsk 630090, Russia

[2] SB RAS, Sobolev Inst Geol & Mineral, Novosibirsk 630090, Russia

[3] Novosibirsk State Univ, Novosibirsk 630090, Russia

[4] Novosibirsk State Univ Architecture Design & Arts, NSUADA, Novosibirsk 630099, Russia

[5] NRC Kurchatov Inst ITEP, Moscow 117218, Russia

[6] SB RAS, Voevodsky Inst Chem Kinet & Combust, Novosibirsk 630090, Russia

[7] Budker Inst Nucl Phys SB RAS, Novosibirsk 630090, Russia

来源：

JOURNAL OF CRYSTAL GROWTH | 2020年 / 552卷

基金：

俄罗斯科学基金会;

关键词：

Czochralski technique; Li2MoO4; crystal; Growth from melt; Low temperature detectors; Optical materials; DOUBLE-BETA DECAY; LI2MOO4;

D O I：

10.1016/j.jcrysgro.2020.125913

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

For the first time, Li(2)MoO(4)crystals depleted in molybdenum-100 (100Mo) isotope were grown by Czochralski technique under low thermal gradient conditions (LTG Cz) that made it possible to obtain large crystals of given geometry and required quality. Depleted lithium molybdate crystals Li(2)deplMoO(4) are excellent candidates for creating cryogenic scintillating bolometers with weight of up to 0.3 kg. Such bolometers can be used to reduce the internal radiation background of detectors and to increase sensitivity in physics and astrophysics experiments for rare events search. The grown (Li2MoO4)-Mo-100depl crystal was compared with the crystal samples of natural and enriched in 100Mo isotope in regard of their response to pulsed X-ray irradiation and Raman spectra.

引用

页数：6

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