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Possible centers of broadband near-IR luminescence in bismuth-doped solids: $Bi^{+}$, Bi$_5^{3+}$, and Bi$_4^0$
near-IR broadband
2011/9/13
Subvalent bismuth centers (interstitial Bi+ ion, Bi3+5 cluster ion, and Bi0 4 cluster) are examined as possible centers of broadband near-IR luminescence in bismuth-doped solids on the grounds of quan...
Application of elastic mid-IR-laser-light scattering for non-destructive inspection in microelectronics
mid-IR-laser-light scattering non-destructive inspection microelectronics
2011/9/9
Some possible applications of the low-angle mid-IR-light scattering technique and some recently developed on its basis methods for non-destructive inspection and investigation of semiconductor materia...
Application of elastic mid-IR light scattering for inspection of internal gettering operations
mid-IR light scattering gettering
2011/9/9
A method of low-angle mid-IR light scattering is shown to be applicable for the contactless and non-destructive inspection of the internal gettering process in
CZ Si crystals. A classification of sca...
Mid-IR-laser microscopy as a tool for defect investigation in bulk semiconductors
Mid-IR-laser microscopy defect investigation bulk semiconductors
2011/9/9
A non-destructive optical technique described in this paper is an effective new tool for the investigation of defects in semiconductors. The basic instrument for this technique—a mid-IR-laser microsco...
Optical beam-induced scattering mode of mid-IR laser microscopy: a method for defect investigation in near-surface and near-interface regions of bulk semiconductors
Optical beam-induced scattering mode mid-IR laser microscopy
2011/9/9
This paper presents a new technique of optical beam-induced scattering of mid-IR-laser radiation, which is a special mode of the recently developed scanning
mid-IR-laser microscopy. The technique in ...
Active IR-thermography as a method of fiber content evaluation in carbon/epoxy composites
Non-destructive testing Thermography Fibre content
2009/12/2
Purpose: The primary purpose of the present work was to find relationships between achieved results of the
thermal non-destructive testing and the local fibre content in a carbon/epoxy composite mate...
贵金属Ir的原子状态与物理性质
贵金属 Ir 原子状态 晶体结构
2009/8/31
据纯金属单原子理论确定面心立方结构(fcc)贵金属Ir的原子状态为[Xe](5dn)4.50(5dc)2.50(6sc)1.63-(6sf)0.37,并对金属Ir的密排六方结构(hcp)和体心立方结构(bcc)初态特征晶体及初态液体的原子状态进行研究;在此基础上,解释Ir的原子状态与晶体结构的关系,计算fcc-Ir的势能曲线,体弹性模量、线热膨胀系数、晶格常数和比热容等随温度变化的曲线。研究结果表...
Ir修饰碳毡对VO2+/VO+2电对电催化性能的影响
Ir修饰碳毡 VO2+/VO+2电 电催化
2009/3/12
用热分解法使Ir包覆到碳毡表面, 经过50次循环充放电后Ir 的附着良好.稳态极化和循环伏安实验结果表明, Ir修饰后的碳毡电极上V(Ⅳ)/V(Ⅴ)的电荷转移极化电阻降低,Ir催化剂降低了V--O键打开和形成的活化能, 从而降低了电池极化.以Ir修饰碳毡为电池正极、酸和热处理的碳毡为负极组成的全钒氧化还原液流电池,在20 mAcm-2充放电时的电压效率达7.5%. 与用未经修饰的碳毡组成的电池相比...
同济大学材料科学与工程学院材料研究方法课件 6.3.12 IR应用
材料研究方法 课件 IR应用
2008/12/2
同济大学材料科学与工程学院材料研究方法课件 6.3.12 IR应用。