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Spin coherence and echo modulation of the silicon vacancy in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mn>4</mml:mn><mml:mi>H</mml:mi><mml:mo>โ</mml:mo><mml:mi>SiC</mml:mi></mml:mrow></mml:math>at room temperature
The silicon vacancy in silicon carbide is a strong emergent candidate for applications in quantum information processing and sensing. We perform room temperature optically detected magnetic resonance and spin echo measurements on an ensemble of vacancies and find the spin echo properties depend strongly on magnetic field. The spin echo โฆ