Alignment of the Diamond Nitrogen Vacancy Center by Strain Engineering

Abstract

The nitrogen vacancy (NV) center in diamond is a sensitive probe of magnetic field and a promising qubit candidate for quantum information processing. The performance of many NV-based devices improves by aligning the NV(s) parallel to a single crystallographic direction. Using ab initio theoretical techniques, we show that NV orientation can be controlled by high-temperature annealing in the presence of strain under currently accessible experimental conditions. We find that $(89\pm 7)\%$ of NVs align along the [111] crystallographic direction under 2\% compressive biaxial strain (perpendicular to [111]) and an annealing temperature of 970${}^{\circ }$C.

arXiv comment4 pages, 2 figures and supplemental material

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Cited by in corpus (5)

• High-density quantum sensing with dissipative first order transitions
• Wide-Field Strain Imaging with Preferentially-Aligned Nitrogen-Vacancy Centers in Polycrystalline Diamond
• Atomistic mechanism of perfect alignment of nitrogen-vacancy centers in diamond
• A window into NV center kinetics via repeated annealing and spatial tracking of thousands of individual NV centers
• Demonstration of vector magnetic field sensing by simultaneous control of nitrogen-vacancy centers in diamond using multi-frequency microwave pulses