Absorption band of Y2O3 micro- and nanopowders induced by proton and electron bombardment


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Abstract

A comparative analysis of the structure, phase composition, morphology, and diffuse reflection spectra in the region of 0.2–2.5 μm is carried out. Their changes arising from the bombardment of microand nanopowders of yttrium oxide with 100-keV protons and 100-keV electrons is examined. It is found that the reflectance of the nanopowders in the near-IR (infrared) region is less than that of the micropowders and, upon electron bombardment, their radiation resistance is slightly larger as compared to the micropowders.

About the authors

M. M. Mikhailov

Tomsk State University of Control Systems and Radioelectronics

Author for correspondence.
Email: membrana2010@mail.ru
Russian Federation, Tomsk, 634050

V. V. Neshchimenko

Amur State University

Email: membrana2010@mail.ru
Russian Federation, Blagoveshchensk, 675000

Lee Chundong

Harbin Institute of Technology

Email: membrana2010@mail.ru
China, Harbin, 150001

T. A. Utebekov

Tomsk State University of Control Systems and Radioelectronics

Email: membrana2010@mail.ru
Russian Federation, Tomsk, 634050

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