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Spectroscopic investigations of polycrystalline InxSb20−xAg10Se70 (0 ⩽ × ⩽ 15) multicomponent chalcogenides Cover

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Spectroscopic investigations of polycrystalline InxSb20−xAg10Se70 (0 ⩽ × ⩽ 15) multicomponent chalcogenides

Materials Science-Poland

Volume 34 (2016): Issue 4 (December 2016)

By: Rita Sharma, Shaveta Sharma, Praveen Kumar, Ravi Chander, R. Thangaraj and M. Mian

Open Access

|Dec 2016

Figures & tables

Figures & Tables

EDS spectra of In_xSb_20−xAg₁₀Se₇₀ chalcogenide alloys.

Table 1

Compositions of as-prepared bulk In_xSb_20−xAg₁₀Se₇₀ (0 ⩽ x ⩽ 15) chalcogenide alloys obtained by using EDS spectroscopy.

x	at.%
x	Se	Sb	Ag	In
0	72.66	18.04	9.30	0.00
5	72.10	13.75	9.56	4.59
10	72.42	9.85	8.95	8.77
15	74.70	4.53	8.57	12.20

X-ray diffraction patterns for In_xSb_20−xAg₁₀Se₇₀ chalcogenide alloys.

Raman spectra of In_xSb_20−xAg₁₀Se₇₀ chalcogenide alloys.

The variation (αhv)² versus photon energy (E) for bulk polycrystalline In_xSb_20−xAg₁₀Se₇₀ chalcogenide alloys.

Table 2

Optical band gap (E_g) and tailing parameter (B⁻¹) of the as-prepared In_xSb_20−xAg₁₀Se₇₀ chalcogenide alloys.

Composition	Eg	B−1
(x)	[eV]	[× 10⁻⁴ cm⁻¹ ⋅eV⁻¹]
0	1.59	137.5
5	1.30	138.7
10	1.71	69.4
15	2.06	54.1

Articles in this issue

DOI: https://doi.org/10.1515/msp-2016-0114 | Journal eISSN: 2083-134X (formerly 2083-124X) | Journal ISSN: 2083-1331

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Language: English

Page range: 794 - 799

Submitted on: Feb 16, 2016

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Accepted on: Sep 5, 2016

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Published on: Dec 19, 2016

Published by: Wroclaw University of Science and Technology

In partnership with: Paradigm Publishing Services

Keywords:

optical properties,

Raman spectroscopy,

Related subjects:

Materials sciences,

Materials sciences, other,

Functional and smart materials,

Materials characterization and properties

© 2016 Rita Sharma, Shaveta Sharma, Praveen Kumar, Ravi Chander, R. Thangaraj, M. Mian, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Volume 34 (2016): Issue 4 (December 2016)

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