Electrophysical Properties of Cd₀.₉₆Mn₀.₀₄Te₀.₉₆Se₀.₀₄ Surface-Barrier Diodes

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2024-08-01 DOI:10.1109/TNS.2024.3436525

V. Sklyarchuk;O. Kopach;P. Fochuk;A. E. Bolotnikov;R. B. James

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Abstract

Diode structures, obtained by vacuum deposition of Al onto the surface of a p-Cd0.96Mn0.04Te0.96Se0.04 single crystals, have been manufactured and studied. Applying the Sah-Noyce–Shockley carrier generation-recombination model, a quantitative description of the electrical characteristics of diodes has been achieved. The resistivity of p-Cd0.96Mn0.04Te0.96Se0.04 crystals was equal to

$\rho ~\approx ~400~\Omega \cdot \text {cm}$

and was determined from the I–V characteristics of the structure with two ohmic contacts, which were obtained by chemical deposition of gold. The activation energy of the dark temperature dependence of resistivity

$\rho =\rho (T)$

was equal to

$\Delta E \approx 0.24$

eV. The forbidden gap of p-Cd0.96Mn0.04Te0.96Se0.04 crystals, found from the optical absorption spectra, was equal to

$E_{g} =1.495$

eV.

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Cd0.96Mn0.04Te0.96Se0.04 表面势垒二极管的电物理特性

通过在对镉0.96锰0.04钛0.96硒0.04单晶表面真空沉积铝，制造出了二极管结构，并对其进行了研究。应用 Sah-Noyce-Shockley 载流子产生-重组模型，实现了对二极管电气特性的定量描述。p-Cd0.96Mn0.04Te0.96Se0.04 晶体的电阻率等于 $\rho ~\approx ~400~\Omega \cdot \text {cm}$，是通过化学沉积金获得的具有两个欧姆触点的结构的 I-V 特性确定的。电阻率暗温依赖性的活化能 $\rho =\rho (T)$ 等于 $\Delta E \approx 0.24$ eV。根据光学吸收光谱发现，p-Cd0.96Mn0.04Te0.96Se0.04 晶体的禁带间隙等于 $E_{g} =1.495$ eV。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.