{"title":"Characterization of THM CdZnTe for nuclear radiation detection","authors":"Song Zhang , Hui Zhang","doi":"10.1016/j.jcrysgro.2025.128196","DOIUrl":null,"url":null,"abstract":"<div><div>CdZnTe crystals with large single-crystal volume have been grown using the travelling heater method. The concentration uniformity, structural defects, and resistivity of the THM crystals were measured. Two planar detectors were fabricated, which achieved a best resolution of 5.12 % at 59.5 keV and a μ<sub>e</sub>τ<sub>e</sub> value of 8.0 × 10<sup>−3</sup> cm<sup>2</sup>/V. A quasi-hemispherical detector was further prepared and achieved a resolution of 2.27 % at 662 keV and a Peak-to-Compton Ratio of 4.76. Progress in crystal growth, processing, detector fabrication and characterization methods and tools contributed to improvement of high-quality CdZnTe crystals for nuclear radiation detectors.</div></div>","PeriodicalId":353,"journal":{"name":"Journal of Crystal Growth","volume":"663 ","pages":"Article 128196"},"PeriodicalIF":2.0000,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Crystal Growth","FirstCategoryId":"88","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0022024825001447","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"CRYSTALLOGRAPHY","Score":null,"Total":0}
引用次数: 0
Abstract
CdZnTe crystals with large single-crystal volume have been grown using the travelling heater method. The concentration uniformity, structural defects, and resistivity of the THM crystals were measured. Two planar detectors were fabricated, which achieved a best resolution of 5.12 % at 59.5 keV and a μeτe value of 8.0 × 10−3 cm2/V. A quasi-hemispherical detector was further prepared and achieved a resolution of 2.27 % at 662 keV and a Peak-to-Compton Ratio of 4.76. Progress in crystal growth, processing, detector fabrication and characterization methods and tools contributed to improvement of high-quality CdZnTe crystals for nuclear radiation detectors.
期刊介绍：
The journal offers a common reference and publication source for workers engaged in research on the experimental and theoretical aspects of crystal growth and its applications, e.g. in devices. Experimental and theoretical contributions are published in the following fields: theory of nucleation and growth, molecular kinetics and transport phenomena, crystallization in viscous media such as polymers and glasses; crystal growth of metals, minerals, semiconductors, superconductors, magnetics, inorganic, organic and biological substances in bulk or as thin films; molecular beam epitaxy, chemical vapor deposition, growth of III-V and II-VI and other semiconductors; characterization of single crystals by physical and chemical methods; apparatus, instrumentation and techniques for crystal growth, and purification methods; multilayer heterostructures and their characterisation with an emphasis on crystal growth and epitaxial aspects of electronic materials. A special feature of the journal is the periodic inclusion of proceedings of symposia and conferences on relevant aspects of crystal growth.
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