Influence of thermal environments on the growth of bulk cadmium zinc telluride (CZT) single crystals

被引：14

作者：

Carcelen, V. ^{[1
]}

Vijayan, N. ^{[1
,2
]}

Rodriguez-Ferndnaez, J. ^{[1
,4
]}

Hidalgo, P. ^{[3
]}

Piqueras, J. ^{[3
]}

Sochinskii, N. V. ^{[4
]}

Perez, J. M. ^{[5
]}

Dieguez, E. ^{[1
]}

机构：

[1] Univ Autonoma Madrid, Lab Crecimiento Cristale, Dpto Fis Mat, Fac Ciencias, E-28049 Madrid, Spain

[2] Natl Phys Lab, New Delhi 110012, India

[3] Univ Complutense Madrid, Dpto Fis Mat, Fac Ciencias Fis, E-28040 Madrid, Spain

[4] Polo Technol Madrid, CNM CSIC, Inst Microelect Madrid, Madrid 28760, Spain

[5] CIEMAT, Lab Gen Elect & Automat, E-28040 Madrid, Spain

来源：

JOURNAL OF CRYSTAL GROWTH | 2009年 / 311卷 / 05期

关键词：

Characterization; Bridgman technique; Growth from melt; Growth from vapour; semiconducting II-VI materials; VERTICAL BRIDGMAN; CDZNTE; DETECTORS; RAY;

D O I：

10.1016/j.jcrysgro.2009.01.100

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

The II-VI compound semiconductor crystal cadmium zinc telluride (CZT) is very important in the field of room-temperature radiation detectors and medical imaging applications. In the present study, bulk CZT single crystal has been grown by (i) oscillatory Bridgman technique, (ii) from vapour phase using pyrolytic boron nitride ampoule in the Bridgman geometry, and (iii) by using a Pt tube used for the ampoule support as a cold finger. Several improvements were found in the thermal environments such as the effects of superheating and reduced growth velocity, as well as improvements in the grain size and zinc composition along the ingot. The compositional homogeneity and its current-voltage characteristic behaviour have been analysed using energy dispersive X-ray analysis and I-V method, respectively. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：1264 / 1267

页数：4

共 10 条

[1] BOLOTNIKOV AE, 2007, NUCL INSTRUM METH A, V579, P129
[2] Carcelén V, 2008, J OPTOELECTRON ADV M, V10, P3135
[3] CARCELEN V, Patent No. 200801503
[4] Effect of surface preparation technique on the radiation detector performance of CdZnTe
Duff, M. C.
Hunter, D. B.
Burger, A.
Groza, M.
Buliga, V.
Black, D. R.
[J]. APPLIED SURFACE SCIENCE, 2008, 254 (09) : 2889 - 2892
[5] Charge collection characteristics of Frisch collar CdZnTe gamma-ray spectrometers
Harrison, Mark J.
Kargar, Alireza
McGregor, Douglas S.
[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2007, 579 (01) : 134 - 137
[6] Detailed studies of pixelated CZT detectors grown with the modified horizontal Bridgman method
Jung, I.
Krawczynski, H.
Burger, A.
Guo, M.
Groza, M.
[J]. ASTROPARTICLE PHYSICS, 2007, 28 (4-5) : 397 - 408
[7] Designing thermal environments to promote convex interface shapes during the vertical Bridgman growth of cadmium zinc telluride
Kuppurao, S
Derby, JJ
[J]. JOURNAL OF CRYSTAL GROWTH, 1997, 172 (3-4) : 350 - 360
[8] Li GQ, 2003, PROG CRYST GROWTH CH, V46, P85, DOI [10.1016/S0960-8974(03)90003-9, 10.1016/j.pcrysgrow.2004.02.002]
[9] Modified Bridgman growth of CdTe crystals
Saucedoa, E.
Rudolph, P.
Dieguez, E.
[J]. JOURNAL OF CRYSTAL GROWTH, 2008, 310 (7-9) : 2067 - 2071
[10] Comparison of cadmium zinc telluride crystals grown by horizontal and vertical Bridgman and from the vapor phase
Schieber, M
James, RB
Hermon, H
Vilensky, A
Baydjanov, I
Goorsky, M
Lam, T
Meerson, E
Yao, HW
Erickson, J
Cross, E
Burger, A
Ndap, JO
Wright, G
Fiederle, M
[J]. JOURNAL OF CRYSTAL GROWTH, 2001, 231 (1-2) : 235 - 241

← 1 →