An examination on the porosity of ErF3 doped CaF2 crystal using the Rutherford back-scattering method

Phan Luong Tuan, Mirsolaw Kulik, Marius Stef, Tran Van Phuc, Nguyen Thi Bao My, Tatyana Yuryevna Zelenyak, Gabriel Buse, Andrei Racu, Aleksandr Doroshkevich, Le Hong Khiem, Vu Duc Cong, Andriy Igorevych Lyubchyk, Sergiy Igorevich Lyubchyk, Svitlana Borisovna Lyubchyk, Nguyen Ngoc Anh

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Resumo

This work investigates the porosity of ErF3 doped CaF2 crystals using the Rutherford back-scattering (RBS) method. Two ErF3:CaF2 samples of 2.0 and 5.5% doping ratios were prepared using the Bridgman method. The RBS spectra of these samples at two incident angle configurations of the projectile alpha, i.e., 0 and 30 degree, were collected using the Rutherford back-scattering spectrometer at the Joint Institute for Nuclear Research in Dubna, Russia. The measured spectra were analyzed with sample models of porous materials using the SIMNRA program. It turns out that the porous volume ratio and diameter are probably in the intervals of 18 to 22% and 2.4×1018 to 3.0×1018 atoms per cm2, respectively. However, the RBS method exhibits significant uncertainty, impeding our ability to establish a correlation between porosity characteristics and doping ratios.

Idioma originalInglês
Número do artigo165178
RevistaNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume547
DOIs
Estado da publicaçãoPublicadas - 1 fev. 2024

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© 2023 Elsevier B.V.

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