Study of LiInSe2Single Crystals for the Thermal Neutron Detection

被引：4

作者：

Belushkin, A., V ^{[1
,4
]}

Bogdzel, A. A. ^{[1
]}

Goloshumova, A. A. ^{[2
,3
]}

Isaenko, L. I. ^{[2
,3
]}

Lobanov, S., I ^{[2
,3
]}

Milkov, V. M. ^{[1
]}

Tarasova, A. Yu ^{[2
,3
]}

Yelisseyev, A. P. ^{[2
,3
]}

机构：

[1] Joint Inst Nucl Res, Frank Lab Neutron Phys, Dubna 141980, Moscow Oblast, Russia

[2] Novosibirsk State Univ, Novosibirsk 630090, Russia

[3] Russian Acad Sci, Sobolev Inst Geol & Mineral, Siberian Branch, Novosibirsk 630090, Russia

[4] Kazan Fed Univ, Inst Phys, Kazan 420008, Tatarstan, Russia

来源：

JOURNAL OF SURFACE INVESTIGATION | 2020年 / 14卷 / SUPPL 1期

基金：

俄罗斯科学基金会;

关键词：

semiconductor; crystal growth; crystal structure; neutron detection; MID-IR; GROWTH;

D O I：

10.1134/S102745102007006X

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Lithium-indium diselenide (LiInSe2) is a new semiconductor material, sensitive to the thermal neutrons. LiInSe(2)compound was synthesized from Li (99.99%), In (99.999%) and Se (99.999%). The growth of LiInSe(2)single crystals was performed using the vertical option of Bridgman-Stockbarger method. The crystals were characterized using the electrical conductivity and optical spectroscopy methods. Stoichiometric composition of the LiInSe(2)was confirmed by the high precision chemical analysis, as well as by X-ray diffraction. Compact(252)Cf neutron source with the activity 6.3 x 10(5)n/s allowed measuring amplitude characteristics and defining the optimal operating voltage for neutron detection. Time-of-flight neutron spectra were measured at the fast pulsed research reactor IBR-2 at the Joint Institute for Nuclear Research.

引用

页码：S15 / S18

页数：4

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