Physical properties of neodymium tin oxide pyrochlore ceramics

• Autorzy: Saleh A. A. , Qasrawi A. F. , Yumusak G. , Mergen A.

Identyfikatory

DOI

10.1515/msp-2017-0057

• Języki publikacji: EN

Abstrakty

EN

In this work, physical properties of neodymium tin oxide pyrochlore ceramics prepared by solid state reaction technique are investigated by means of X-ray diffraction, scanning electron microscopy, ultraviolet-visible light (UV-Vis) spectrophotometry and temperature dependent electrical resistivity measurements. The pyrochlore is observed to have a cubic FCC crystal lattice with lattice parameter of 10.578 A. The planes of the cubic cell are best oriented in the [2 2 2] direction. From the X-ray, the UV-Vis spectrophotometry and the electrical resistivity data analysis, the grain size, strain, dislocation density, optical and thermal energy band gaps, localized energy band tail states and resistivity activation energies are determined and discussed. The pyrochlore is observed to have an optical energy band gap of ∼3.40 eV. This value corresponds to 365 nm UV light spectra which nominates the neodymium tin oxide pyrochlore ceramics for the use as UV sensors.

Słowa kluczowe

EN

Nd2Sn2O7; solid state reaction; UV sensor; optical properties

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2017
• Tom: Vol. 35, No. 3
• Strony: 534--538
• Opis fizyczny: Bibliogr. 19 poz., rys.

Twórcy

autor

Saleh A. A.

• Department of Physics, Arab-American University, Jenin, West Bank, Palestine

autor

Qasrawi A. F.

• Department of Physics, Arab-American University, Jenin, West Bank, Palestine
• Group of Physics, Faculty of Engineering, Atilim University, 06836 Ankara, Turkey

autor

Yumusak G.

• Metallurgical and Materials Engineering Dept., Marmara University, 34722 Istanbul, Turkey

autor

Mergen A.

• Metallurgical and Materials Engineering Dept., Marmara University, 34722 Istanbul, Turkey

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).