NaI(Tl) and CsI(Tl) scintillation crystal growth by skull method

Taranyuk, V.; Gektin, A.; Kisil, I.; Kolesnikov, A.V.

doi:10.1016/j.jcrysgro.2010.11.089

Cited by 15 publications

(15 citation statements)

References 7 publications

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“…This fact was experimentally verified for polycrystalline NaI(Tl) grown by skull method [2]. Relative simplicity, low cost and no need for platinum crucible are the potential advantages of this method.…”

Section: Introductionmentioning

confidence: 75%

Heat distribution during melting and solidification of NaI(Tl) using skull technique

Taranyuk

Gektin

Kisil

et al. 2012

Journal of Crystal Growth

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Section: Introductionmentioning

confidence: 75%

Heat distribution during melting and solidification of NaI(Tl) using skull technique

Taranyuk

Gektin

Kisil

et al. 2012

Journal of Crystal Growth

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“…The basic growth setup used in this study allows to crystallize 250 × 180 × 45 mm ingots by VGF method with the skull layer . The melt level was measured by electrocontact gauge with platinum wire.…”

Section: Experimental Techniquementioning

confidence: 99%

“…The first successful applications of VGF in the skull layer to NaI, LiF and PbF 2 crystal growth demonstrated the potential advantages of this technique. It is relatively simple (no moving parts in the set‐up), low cost (no need for a platinum crucible) and potentially applicable to halides growth.…”

Section: Introductionmentioning

confidence: 99%

Crystallization rate control for alkali halide crystal growth by the VGF technique with a skull layer

Taranyuk

Gektin

Kolesnikov

2014

Crystal Research and Technology

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This study describes the ability to use the melt-level control for stabilization of the crystallization rate during NaI crystal growth by the VGF technique with a skull layer. It is shown that a conventional linear decrease of the heater temperature leads to a nonuniform crystallization rate and deterioration of crystal quality. A method and algorithm of temperature control for the stabilization of the crystallization rate during crystal growth is proposed. The series of growth experiments with NaI(Tl) crystals proved the efficiency of this approach and ability to obtain scintillators with high registration efficiency, about 6.3% energy resolution for a 137 Cs (662 keV) source.

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“…Все это является причиной поиска более простых, недорогих, высокопроизводительных методов выращивания кристаллов. Одним из таких методов является метод VGF (Vertical Gradient Freeze) [5] и, в частности, его модификация с применением гарнисажного тигля [6,7]. Вообще, применение гарнисажных тиглей известно давно, как в металлургии, для получения особо чистых металлов [8], так и при получении кристаллов, например оксида циркония [9].…”

Section: анализ литературных данных и постановка задачи исследованияunclassified

“…Программа написана на языке С++ в среде Qt Creator. Схема системы управления, используемая на лабораторной установке, рассматриваемой в данной работе, аналогична используемой на полупромышленной установке описанной в работе [7].…”

Section: рис 2 схема системы управления установкиunclassified