Diamonds with a high density of nitrogen-vacancy centers for magnetometry applications

被引：451

作者：

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

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

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

Santori, C. ^{[3
]}

Fu, K. -M. C. ^{[3
]}

Barclay, P. E. ^{[3
]}

Beausoleil, R. G. ^{[3
]}

Linget, H.

Roch, J. F. ^{[4
]}

Treussart, F. ^{[4
]}

Chemerisov, S. ^{[5
]}

Gawlik, W. ^{[6
]}

Budker, D. ^{[1
,7
]}

机构：

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

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

[3] Hewlett Packard Labs, Palo Alto, CA 94304 USA

[4] Ecole Normale Super, CNRS, UMR 8537, Lab Photon Quant & Mol, F-94235 Cachan, France

[5] Argonne Natl Lab, Argonne, IL 60439 USA

[6] Jagiellonian Univ, Inst Phys, Ctr Magnetoopt Res, PL-30059 Krakow, Poland

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

来源：

PHYSICAL REVIEW B | 2009年 / 80卷 / 11期

关键词：

PARAMAGNETIC-RESONANCE; INFRARED-ABSORPTION; SYNTHETIC DIAMOND; THRESHOLD ENERGY; DEFECT CENTERS; ELECTRON; SPECTRA; SPIN; DISPLACEMENT; IRRADIATION;

D O I：

10.1103/PhysRevB.80.115202

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Nitrogen-vacancy (NV) centers in millimeter-scale diamond samples were produced by irradiation and subsequent annealing under varied conditions. The optical and spin-relaxation properties of these samples were characterized using confocal microscopy, visible and infrared absorption, and optically detected magnetic resonance. The sample with the highest NV(-) concentration, approximately 16 ppm (2.8 x 10(18) cm(-3)), was prepared with no observable traces of neutrally charged vacancy defects. The effective transverse spin-relaxation time for this sample was T(2)* = 118 (48) ns, predominately limited by residual paramagnetic nitrogen which was determined to have a concentration of 49(7) ppm. Under ideal conditions, the shot-noise limited sensitivity is projected to be similar to 150 fT/root Hz for a 100 mu m-scale magnetometer based on this sample. Other samples with NV(-) concentrations from 0.007 to 12 ppm and effective relaxation times ranging from 27 to over 291 ns were prepared and characterized.

引用

页数：15

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