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Low-Temperature Raman Scattering in TlGa_xIn_{1-x}S_2 Layered Mixed Crystals: Compositional Dependence of the Mode Frequencies and Line Shapes

100%

Gasanly N., Yuksek N.

Acta Physica Polonica A

2005

vol. 108

issue 6

997-1003

The Raman spectra of TlGa_xIn_{1-x}S_2 layered mixed crystals were studied for a wide range of composition (0≤x≤1) at T=50 K. The effect of crystal disorder on the line width broadening of the Raman-active modes are discussed. The asymmetry in the Raman line shape is analyzed for two interlayer and intralayer modes exhibiting one-mode behavior.

Trapping Center Parameters in TlInS_2 Layered Crystals by Thermally Stimulated Current Measurements

81%

Yuksek N., Gasanly N., Ozkan H., Karci O.

Acta Physica Polonica A

2004

vol. 106

issue 1

95-103

Thermally stimulated current measure ments are carried out on TlInS_2 layered single crystal with the current flowing perpendicular to the c-axis in the temperature range of 10 to 90 K. The results are analyzed according to various methods, such as curve fitting, heating rate, and initial rise methods, which seem to be in good agreement with each other. Experimental evidence is found for one trapping center in TlInS_2 crystal in the low-temperature region.

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2 Acta Physica Polonica A

1 2005

1 2004

2 Gasanly N.

2 Yuksek N.

1 Karci O.

1 Ozkan H.

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Low-Temperature Raman Scattering in TlGa_xIn_{1-x}S_2 Layered Mixed Crystals: Compositional Dependence of the Mode Frequencies and Line Shapes

Trapping Center Parameters in TlInS_2 Layered Crystals by Thermally Stimulated Current Measurements