Temperature Dependence of the Nitrogen-Vacancy Magnetic Resonance in Diamond

被引：537

作者：

Acosta, V. M. ^{[1
]}

Bauch, E. ^{[1
,2
]}

Ledbetter, M. P. ^{[1
]}

Waxman, A. ^{[3
]}

Bouchard, L-S. ^{[4
]}

Budker, D. ^{[1
,5
]}

机构：

[1] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

[2] Tech Univ Berlin, D-10623 Berlin, Germany

[3] Ben Gurion Univ Negev, Dept Phys, IL-84105 Beer Sheva, Israel

[4] Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90095 USA

[5] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Nucl Sci, Berkeley, CA 94720 USA

来源：

PHYSICAL REVIEW LETTERS | 2010年 / 104卷 / 07期

基金：

美国国家科学基金会;

关键词：

ATOMIC MAGNETOMETER; DEFECT CENTERS; SPIN; MICROSCOPY; NMR;

D O I：

10.1103/PhysRevLett.104.070801

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The temperature dependence of the magnetic-resonance spectra of nitrogen-vacancy (NV(-)) ensembles in the range of 280-330 K was studied. Four samples prepared under different conditions were analyzed with NV(-) concentrations ranging from 10 ppb to 15 ppm. For all samples, the axial zero-field splitting (ZFS) parameter D was found to vary significantly with temperature, T, as dD/dT = -74.2(7) kHz/K. The transverse ZFS parameter E was nonzero (between 4 and 11 MHz) in all samples, and exhibited a temperature dependence of dE/(EdT) = -1.4(3) x 10(-4) K(-1). The results might be accounted for by considering local thermal expansion. The temperature dependence of the ZFS parameters presents a significant challenge for diamond magnetometers and may ultimately limit their bandwidth and sensitivity.

引用

页数：4

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