Ferromagnetism and two magnetic phases in rutile (TiO 2 ) implanted with cobalt ions: effect of substrate temperature and orientation

E. M. Begishev; Бегишев Е. М.; I. R. Vakhitov; Вахитов И. Р.; N. M. Lyadov; Лядов Н. М.; V. I. Nuzhdin; Нуждин В. И.; V. F. Valeev; Валеев В. Ф.; V. V. Bazarov; Базаров В. В.; D. M. Kuzina; Кузина Д. М.; R. I. Khaibullin; Хайбуллин Р. И.

doi:10.31857/S036767652270082X

Ferromagnetism and two magnetic phases in rutile (TiO₂) implanted with cobalt ions: effect of substrate temperature and orientation

Authors: Begishev E.M.¹, Vakhitov I.R.², Lyadov N.M.¹, Nuzhdin V.I.¹, Valeev V.F.¹, Bazarov V.V.¹, Kuzina D.M.², Khaibullin R.I.¹
Affiliations:
1. Zavoisky Physical-Technical Institute, FRC Kazan Scientific Center of the Russian Academy of Sciences
2. Kazan Federal University
Issue: Vol 87, No 3 (2023)
Pages: 450-456
Section: Articles
URL: https://rjpbr.com/0367-6765/article/view/654469
DOI: https://doi.org/10.31857/S036767652270082X
EDN: https://elibrary.ru/NKLYLK
ID: 654469

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Abstract

Room-temperature ferromagnetism and two magnetic phases: cobalt metal nanoparticles and a solid solution of divalent cobalt ions have been observed in single-crystal rutile (TiO₂) implanted with cobalt ions to high dose level. Here we present the results of our structural and magnetic studies showing an influence both the temperature and the orientation of TiO₂ substrate during a cobalt ion implantation, as well the effect of post-implantation thermal annealing (in air or in vacuum) on ferromagnetism value and magnetic phase composition of Co-implanted rutile.

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