Optical absorption by Nd<Superscript>3+</Superscript> and Gd<Superscript>3+</Superscript> ions in epitaxial films grown on Gd<Subscript>3</Subscript>Ga<Subscript>5</Subscript>O<Subscript>12</Subscript> substrates from a lead-containing solution melt期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Optical absorption by Nd3+ and Gd3+ ions in epitaxial films grown on Gd3Ga5O12 substrates from a lead-containing solution melt

Authors:	V. V. Randoshkin N. V. Vasil’eva V. G. Plotnichenko Yu. N. Pyrkov S. V. Lavrishchev M. A. Ivanov A. A. Kiryukhin A. M. Saletskii N. N. Sysoev

Affiliation:	(1) Institute of General Physics, Russian Academy of Sciences, ul. Vavilova 38, Moscow, 119991, Russia;(2) Research Center of Fiber Optics, Institute of General Physics, Russian Academy of Sciences, ul. Vavilova 38, Moscow, 119991, Russia;(3) Moscow State University, Vorob’evy gory, Moscow, 119992, Russia

Abstract:	Epitaxial films of composition (Gd,Nd)₃Ga₅O₁₂ or (Gd,Y,Nd)₃Ga₅O₁₂ with a neodymium content varying from 0.3 to 15 at. % are grown by liquid-phase epitaxy from a supercooled PbO-B₂O₃-based solution melt on Gd₃Ga₅O₁₂(111) substrates. The optical absorption spectra of the epitaxial films grown are measured in the wavelength range 0.2–1.0 µm. The results of interpreting the absorption bands observed in the spectra are used to construct the energy level diagrams of Nd³⁺ and Gd³⁺ ions in the matrices of the epitaxial films.

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