Synthesis and properties of spinel phase NdxMg1-xAl2O4

Authors

  • Теймур Мамед оглу Ильяслы Baku State University St.Z.Khalilova 23, Baku, Azerbaijan, 1148, Azerbaijan
  • Закир Ислам оглу Исмаилов Baku State University St.Z.Khalilova 23, Baku, Azerbaijan, 1148, Azerbaijan
  • Гумай Алескер гызы Гусейнова Baku State University St.Z.Khalilova 23, Baku, Azerbaijan, 1148, Azerbaijan
  • Рена Фридун гызы Аббасова Baku State University St.Z.Khalilova 23, Baku, Azerbaijan, 1148, Azerbaijan
  • Лала Алескер гызы Мамедова Baku State University St.Z.Khalilova 23, Baku, Azerbaijan, 1148, Azerbaijan
  • Ситара Малик гызы Вейсова Baku State University St.Z.Khalilova 23, Baku, Azerbaijan, 1148, Azerbaijan

DOI:

https://doi.org/10.15587/1729-4061.2015.55547

Keywords:

nanoparticles, inorganic pigments, spectroscopy, spinels, amorphous mass, reflexes, crystals, crystallization, heat treatment

Abstract

Crystallization of the amorphous mass and formation of the spinel structure begins at 800 0C. At that, the dimensions of the newly formed crystals are less than 6 nm. Introduction of neodymium has virtually no effect on the crystallographic parameters of pure spinel. Heat-treated samples at 8000C and higher temperatures have mainly a spinel structure. However, in the samples, sintered to 10000C, with the composition Nd0.05Mg0.95Al2O4 and Nd0.1Mg0.9Al2O4, weak unidentified reflexes are revealed. In the heat-treated at 12000C neodymium-doped samples, reflexes only of the spinel structure are observed.
The chemical and phase composition of the obtained pigment was examined using various methods, such as thermal analysis (TGA and DTA), X-ray diffraction (XRD) and transmission electron microscopy (TEM). The spectral characteristic of inorganic pigments was studied by infrared spectroscopy (IR), and UV-Vis spectroscopy (200-800 nm).

Author Biographies

Теймур Мамед оглу Ильяслы, Baku State University St.Z.Khalilova 23, Baku, Azerbaijan, 1148

Doctor of Chemical Sciences, Professor

Department of General and Inorganic Chemistry

Закир Ислам оглу Исмаилов, Baku State University St.Z.Khalilova 23, Baku, Azerbaijan, 1148

Ph.D., Associate Professor

Department of General and Inorganic Chemistry

Гумай Алескер гызы Гусейнова, Baku State University St.Z.Khalilova 23, Baku, Azerbaijan, 1148

Ph.D, Associate Professor

Department of General and Inorganic Chemistry

Рена Фридун гызы Аббасова, Baku State University St.Z.Khalilova 23, Baku, Azerbaijan, 1148

Ph.D., Associate Professor

Department of General and Inorganic Chemistry

Лала Алескер гызы Мамедова, Baku State University St.Z.Khalilova 23, Baku, Azerbaijan, 1148

Ph.D., Associate Professor

Department of General and Inorganic Chemistry

Ситара Малик гызы Вейсова, Baku State University St.Z.Khalilova 23, Baku, Azerbaijan, 1148

Ph.D., Associate Professor

Department of General and Inorganic Chemistry

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Published

2015-12-23

How to Cite

Ильяслы, Т. М. о., Исмаилов, З. И. о., Гусейнова, Г. А. . г., Аббасова, Р. Ф. г., Мамедова, Л. А. г., & Вейсова, С. М. г. (2015). Synthesis and properties of spinel phase NdxMg1-xAl2O4. Eastern-European Journal of Enterprise Technologies, 6(11(78), 30–34. https://doi.org/10.15587/1729-4061.2015.55547

Issue

Vol. 6 No. 11(78) (2015): Materials Science

Section

Materials Science

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Copyright (c) 2015 Теймур Мамед оглу Ильяслы, Закир Ислам оглу Исмаилов, Гумай Алескер гызы Гусейнова, Рена Фридун гызы Аббасова, Лала Алескер гызы Мамедова, Ситара Малик гызы Вейсова

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