激光与红外
激光與紅外
격광여홍외
LASER & INFRARED
2014年
11期
1216-1219
,共4页
孙士文%隋淞印%何力%周昌鹤%虞慧娴%徐超
孫士文%隋淞印%何力%週昌鶴%虞慧嫻%徐超
손사문%수송인%하력%주창학%우혜한%서초
X射线衍射形貌术%X光貌相%碲锌镉%晶体缺陷
X射線衍射形貌術%X光貌相%碲鋅鎘%晶體缺陷
X사선연사형모술%X광모상%제자력%정체결함
X-ray diffraction topography%X-ray topography%CdZnTe%crystal defects
碲锌镉晶体中存在着各种典型晶体缺陷,X射线衍射形貌术是一种非破坏性地整体研究晶体材料结构完整性、均匀性的有效方法。本文将反射式X射线衍射形貌术应用于碲锌镉晶体质量的评价,研究了入射线狭缝宽度、积分时间、扫描步长等测试参数以及样品表面加工状态对X射线衍射形貌的影响。结果表明入射线狭缝宽度对碲锌镉晶体的X射线衍射成像及晶体质量筛选应用影响很大,积分时间、样品扫描步长等测试参数的选择与入射线狭缝宽度密切相关。
碲鋅鎘晶體中存在著各種典型晶體缺陷,X射線衍射形貌術是一種非破壞性地整體研究晶體材料結構完整性、均勻性的有效方法。本文將反射式X射線衍射形貌術應用于碲鋅鎘晶體質量的評價,研究瞭入射線狹縫寬度、積分時間、掃描步長等測試參數以及樣品錶麵加工狀態對X射線衍射形貌的影響。結果錶明入射線狹縫寬度對碲鋅鎘晶體的X射線衍射成像及晶體質量篩選應用影響很大,積分時間、樣品掃描步長等測試參數的選擇與入射線狹縫寬度密切相關。
제자력정체중존재착각충전형정체결함,X사선연사형모술시일충비파배성지정체연구정체재료결구완정성、균균성적유효방법。본문장반사식X사선연사형모술응용우제자력정체질량적평개,연구료입사선협봉관도、적분시간、소묘보장등측시삼수이급양품표면가공상태대X사선연사형모적영향。결과표명입사선협봉관도대제자력정체적X사선연사성상급정체질량사선응용영향흔대,적분시간、양품소묘보장등측시삼수적선택여입사선협봉관도밀절상관。
Many kinds of typical crystal defects can be observed in the Cadmium Zinc Telluride (CdZnTe)single crystals. X-ray diffraction topography is a powerful method for the investigation of structural integrity and homogeneity of single crystals. In this paper,reflection X-ray diffraction topography is applied to evaluate the quality of CdZnTe single crystals. The effect of the factors of incident beam slit,exposure time,scanning step and surface roughness on the X-ray diffraction topography are studied. Results show that the incident beam slit is the most important factor to the X-ray diffraction topography of defects,which is also closely related to the application of screening substrates by crystal quality. The parameters of exposure time and scanning step are closely related to the incident beam slit.