Spin Relaxation of the Neutral Germanium-Vacancy Center in Diamond

Andrey Komarovskikh; Mikhail Uvarov; Vladimir Nadolinny; Yuri Palyanov

doi:10.1002/pssa.201800193

Spin Relaxation of the Neutral Germanium-Vacancy Center in Diamond

Andrey Komarovskikh, Mikhail Uvarov, Vladimir Nadolinny, Yuri Palyanov

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

4 Цитирования (Scopus)

Аннотация

The germanium-vacancy center in diamond is actively studied because it is promising in various quantum-optical and quantum-informational applications. There is not much information about the paramagnetic neutral germanium-vacancy center (GeV⁰) in triplet spin state. In this work, the spin relaxation of the GeV⁰ is studied by pulse electron paramagnetic resonance (EPR) technique at low temperatures. It is shown that spin-lattice and spin-spin relaxation times for the GeV⁰ are shorter than corresponding times for the neutral silicon-vacancy center. The Orbach mechanism of spin-lattice relaxation dominates for the GeV⁰ center in the temperature range 80–110 K (activation energy E_a = 39(6) meV).

Язык оригинала	английский
Номер статьи	1800193
Число страниц	5
Журнал	Physica Status Solidi (A) Applications and Materials Science
Том	215
Номер выпуска	22
DOI	https://doi.org/10.1002/pssa.201800193
Состояние	Опубликовано - 21 нояб. 2018

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10.1002/pssa.201800193

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title = "Spin Relaxation of the Neutral Germanium-Vacancy Center in Diamond",

abstract = "The germanium-vacancy center in diamond is actively studied because it is promising in various quantum-optical and quantum-informational applications. There is not much information about the paramagnetic neutral germanium-vacancy center (GeV0) in triplet spin state. In this work, the spin relaxation of the GeV0 is studied by pulse electron paramagnetic resonance (EPR) technique at low temperatures. It is shown that spin-lattice and spin-spin relaxation times for the GeV0 are shorter than corresponding times for the neutral silicon-vacancy center. The Orbach mechanism of spin-lattice relaxation dominates for the GeV0 center in the temperature range 80–110 K (activation energy Ea = 39(6) meV).",

keywords = "defect characterization, diamond, electron paramagnetic resonance, spin relaxation, EPR, ENTANGLEMENT",

author = "Andrey Komarovskikh and Mikhail Uvarov and Vladimir Nadolinny and Yuri Palyanov",

note = "Publisher Copyright: {\textcopyright} 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim",

year = "2018",

month = nov,

day = "21",

doi = "10.1002/pssa.201800193",

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Spin Relaxation of the Neutral Germanium-Vacancy Center in Diamond. / Komarovskikh, Andrey; Uvarov, Mikhail; Nadolinny, Vladimir и др.

В: Physica Status Solidi (A) Applications and Materials Science, Том 215, № 22, 1800193, 21.11.2018.

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

TY - JOUR

T1 - Spin Relaxation of the Neutral Germanium-Vacancy Center in Diamond

AU - Komarovskikh, Andrey

AU - Uvarov, Mikhail

AU - Nadolinny, Vladimir

AU - Palyanov, Yuri

PY - 2018/11/21

Y1 - 2018/11/21

N2 - The germanium-vacancy center in diamond is actively studied because it is promising in various quantum-optical and quantum-informational applications. There is not much information about the paramagnetic neutral germanium-vacancy center (GeV0) in triplet spin state. In this work, the spin relaxation of the GeV0 is studied by pulse electron paramagnetic resonance (EPR) technique at low temperatures. It is shown that spin-lattice and spin-spin relaxation times for the GeV0 are shorter than corresponding times for the neutral silicon-vacancy center. The Orbach mechanism of spin-lattice relaxation dominates for the GeV0 center in the temperature range 80–110 K (activation energy Ea = 39(6) meV).

AB - The germanium-vacancy center in diamond is actively studied because it is promising in various quantum-optical and quantum-informational applications. There is not much information about the paramagnetic neutral germanium-vacancy center (GeV0) in triplet spin state. In this work, the spin relaxation of the GeV0 is studied by pulse electron paramagnetic resonance (EPR) technique at low temperatures. It is shown that spin-lattice and spin-spin relaxation times for the GeV0 are shorter than corresponding times for the neutral silicon-vacancy center. The Orbach mechanism of spin-lattice relaxation dominates for the GeV0 center in the temperature range 80–110 K (activation energy Ea = 39(6) meV).

KW - defect characterization

KW - diamond

KW - electron paramagnetic resonance

KW - spin relaxation

KW - EPR

KW - ENTANGLEMENT

UR - http://www.scopus.com/inward/record.url?scp=85050501571&partnerID=8YFLogxK

U2 - 10.1002/pssa.201800193

DO - 10.1002/pssa.201800193

M3 - Article

AN - SCOPUS:85050501571

VL - 215

JO - Physica Status Solidi (A) Applications and Materials Science

JF - Physica Status Solidi (A) Applications and Materials Science

SN - 1862-6300

IS - 22

M1 - 1800193

ER -

Spin Relaxation of the Neutral Germanium-Vacancy Center in Diamond

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