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This article is cited in 7 scientific papers (total in 7 papers)
CONDENSED MATTER
EPR spectroscopy of impurity thulium ions in yttrium orthosilicate single crystals
A. A. Sukhanova, V. F. Tarasova, Yu. D. Zavartsevab, A. I. Zagumennyiab, S. A. Kutovoiba a Zavoisky Physical–Technical Institute, Kazan Scientific Center, Russian Academy of Sciences, Kazan, Russia
b Prokhorov General Physical Institute, Russian Academy of Sciences, Moscow, Russia
Abstract:
The frequency-field and orientation dependences of the electron paramagnetic resonance (EPR) spectra are measured for impurity Tm$^{3+}$ ions in yttrium orthosilicate (Y$_2$SiO$_5$) single crystals by stationary EPR spectroscopy in the frequency range of $50$–$100$ GHz at $4.2$ K. The position of the impurity ion in the crystal lattice and its magnetic characteristics are determined. The temperature dependences of the spin-lattice and phase relaxation times are measured by pulse EPR methods in the temperature range of $5$–$15$ K and the high efficiency of the direct single-phonon mechanism of spin-lattice relaxation is established. This greatly shortens the spin-lattice relaxation time at low temperatures and makes impurity Tm$^{3+}$ ions in Y$_2$SiO$_5$ a promising basis for the implementation of high-speed quantum memory based on rare-earth ions in dielectric crystals.
Received: 21.06.2018 Revised: 29.06.2018
Citation:
A. A. Sukhanov, V. F. Tarasov, Yu. D. Zavartsev, A. I. Zagumennyi, S. A. Kutovoi, “EPR spectroscopy of impurity thulium ions in yttrium orthosilicate single crystals”, Pis'ma v Zh. Èksper. Teoret. Fiz., 108:3 (2018), 211–216; JETP Letters, 108:3 (2018), 210–214
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https://www.mathnet.ru/eng/jetpl5672 https://www.mathnet.ru/eng/jetpl/v108/i3/p211
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