Self-compensation in chlorine-doped cdte

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August undefined, 2024

WebJun 24, 2024 · Self-compensation in chlorine-doped CdTe W. Orellana, E. Menéndez-Proupin, M. A. Flores Published 24 June 2024 Materials Science Scientific Reports Defect … WebMar 8, 2024 · The primary objective of this project was to demonstrate n-type CdTe and CdSeTe films prepared by in-situ doping methods using pre-doped source material. Our goal was to achieve electron density (>10 17 cm -3) and lifetime (>10 ns) in …

Self-compensation in arsenic doping of CdTe - PubMed

WebThe role of interstitial chlorine in the electronic properties of CdTe is addressed by density functional theory calculations including hybrid functionals and large unit cells. The stability and diffusion energy barriers of the impurity are analyzed as a function of the Fermi level position in the band gap. Chlorine is found to be stable in at least five interstitial sites with … la quinta inns & suites opelika al

Studies of the compensation mechanism in CdTe grown from the …

WebOct 18, 2024 · Abstract. We investigate the self-compensation mechanism in phosphorus-doped CdTe. The formation energies, charge transition levels, and defect states of … WebJun 24, 2024 · Self-compensation in chlorine-doped CdTe Defect energetics, charge transition levels, and electronic band structures of several Cl-related complexes in CdTe … WebWe investigate substitutional chlorine (ClTe and ClCd) and complexes formed by ClTe with the cadmium vacancy (ClTe-VCd and 2ClTe-VCd) and the TeCd antisite (ClTe-TeCd). Our … la quinta jamestown ny

Why shallow defect levels alone do not cause high resistivity …

Empirical Correlations Between the Arrhenius’ Parameters

WebAug 3, 2015 · CdTe shows both self-compensation and self-purification, but not every semiconductor showing self-compensation also shows self-purification. The complex discussed in this paper, ( ClTe – VCd) −1, consists of a pairing of a cation vacancy ( VCd) with a donor impurity ( ClTe) and is often referred to as an A-center. Webe dominant compensation model for detector-grade CdTe:Cl is based on the existence of one compensat- ing deep level located at 0.725 eV above the valence band maximum … la quinta jackson tnWebJun 24, 2024 · Europe PMC is an archive of life sciences journal literature. la quinta kalispell mt

"WebIn the field of CdTe production, the self-compensation and self-purification effects of Cl Te are well known and widely used.21,22 Despite this, the physics behind these two effects is still unsettled. The main question of this paper is the mechanism of self-compensation and self-purification of CdTe by Cl. We focus on the interaction of Cl Te ... " - Self-compensation in chlorine-doped cdte

Self-compensation in chlorine-doped cdte

Role of vacancies, light elements and rare-earth metals doping

WebJun 24, 2024 · Self-compensation in chlorine-doped CdTe Authors: Walter Orellana Eduardo Menendez Proupin University of Chile Mauricio A. Flores Abstract and Figures Defect … WebOPEN Self-compensation in chlorine- doped CdTe Walter Orellana 1, Eduardo Menéndez-Proupin2 & Mauricio A. Flores 3 Defect energetics, charge transition levels, and electronic band structures of several Cl-related Received: 20 March 2024 complexes in CdTe are studied using density-functional theory calculations.

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WebApr 15, 2024 · The performance of the CdTe radiation detectors heavily relies on the method of contact preparation. A convenient research method addressing this problem is the laser-induced transient current... WebJun 24, 2024 · The dominant compensation model for detector-grade CdTe:Cl is based on the existence of one compensating deep level located at ∼ 0.725 eV above the valence band maximum (VBM) 12, 34, which... Metrics - Self-compensation in chlorine-doped CdTe Scientific Reports

WebApr 21, 2024 · The primary aim of this paper is the optimization of the CdTe detector with respect to the abovementioned disadvantages—polarization of detectors with Schottky contacts and high leakage current of the detectors with quasi-ohmic contacts. Webself-compensation in chlorine- doped Cdt e Walter orellana 1, eduardo Mennd ez-proupin2& Mauricio A. Flores 3 Defect energetics, charge transition levels, and electronic band …

WebJan 1, 1974 · Self- compensation produces high resistivity material, but the electrical evaluation of such material is often very difficult or impossible using conventional … WebJan 21, 2015 · The physical properties of CdTe usually are modified by foreign atoms introduced during the crystals’ growth, or by a post-growth diffusion process. [ 1] Thus, knowing the parameters of the diffusion of impurities is of great importance in developing these electronic devices.

WebAs is known, the low conductivity of CdTe crystals and the high free-carrier lifetimes and mobilities, needed for nuclear radiation detectors [1, 2], can be achieved in a chlorine-doped material owing to the self-compensation of charged atomic defects [3-6].

WebJul 4, 2024 · Self-compensation in arsenic doping of CdTe Efficient p-type doping in CdTe has remained a critical challenge for decades, limiting the performance of CdTe-based … la quinta jackson tn reviewsWebTo better understand the compensation mechanism and the metastable effects related to Cu acceptors, the most common p-type dopant in CdTe, … la quinta inns & suites yukon okWebJun 24, 2024 · Self-compensation in chlorine-doped CdTe Figure 10 summarizes the formation energies Cl-related defects in CdTe, which are likley to be formed due to their … la quinta jonesboro arkansasWebOct 1, 2007 · Cl-doping of Te-rich CdTe: Complex formation, self-compensation and self-purification from first principles Article Full-text available Aug 2015 Anna Lindström Mattias Klintenberg Biplab... la quinta justa olotWebNov 1, 1989 · CdTe material with its high molecular weight (240) is today widely used for radiation detection. The band-gap energy of CdTe is 1.45 eV. When doped with chlorine, … la quinta jolietWebTe dominant compensation model for detector-grade CdTe:Cl is based on the existence of one compensat- ing deep level located at ∼0.725 eV above the valence band maximum … la quinta jackson msWebself-compensation in the formation of HR in CdTe is still not completely clear and is often overrated. Moreover, nowadays this term is sometimes used for other, differing meanings, … la quinta kansas city mo