Application of the Inhomogeneous Sample Model in Piezoelectric Photothermal Spectroscopy of Zn1-x BexTe and Cd1-xMnxTe Mixed Crystals

Maliński, M.; Zakrzewski, J.

doi:10.1007/s10765-005-2376-9

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Sample Preparation and Measuring Methods1

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2006

2008

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Cited by 2 publications

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“…If there was a fluctuation in the x parameter, then these regions could affect the piezoelectric signal more than the grain boundaries do. Such compositional disorders were observed and analyzed in other mixed crystals: Cd 1−x Mn x Te and Zn 1−x Be x Te [23,24].…”

Section: Sample Preparation and Measuring Methodsmentioning

confidence: 97%

Numerical Analysis of Piezoelectric Spectra of Zn1-x-yBexMnySe Mixed Crystals

Maliński

Zakrzewski²,

Strzałkowski³

2006

Int J Thermophys

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This article presents the numerical analysis of the amplitude and phase piezoelectric spectra of a group of mixed crystals of the Zn 1−x−y Be x Mn y Se type. After growth treatment of mixed crystals, such as grinding, polishing, and etching, some surface defects have been created whose energy levels are in the region of the band gap of the material. The lower the concentration of these defects is, the smaller amplitude of the photothermal signal in this energy region is expected and the higher the quality of such a crystal surface is. This article focused on the study of the application of photothermal piezoelectric method for investigation of the surface energy levels and their corresponding absorption bands in the energy-gap region of the material.

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Section: Sample Preparation and Measuring Methodsmentioning

confidence: 97%