标题： 微 diamond 内部纳米多晶金刚石压砧细胞中氮空位中心的光探测磁共振 显示英文标题

标题： Optically detected magnetic resonance of nitrogen-vacancy centers in microdiamonds inside nanopolycrystalline diamond anvil cell

摘要： 我们展示了在纳米多晶金刚石（NPD）压砧的金刚石压腔中，微米金刚石内氮空位（NV）中心的光探测磁共振（ODMR）。 NPD表现出高光学透明度、优异的硬度和低热导率，使其适用于高温高压条件下的光学和光谱测量。 我们在高压下观察到了一个NV中心集合的ODMR信号，压力最高达到20 GPa，其底面直径为600 $\mu$m。我们还对密封在样品室内的多个微米金刚石进行了ODMR测量，并发现共振频率随着压力分布而变化。 NPD与含有NV中心的微米金刚石的结合，在同时高温高压条件下有望用于压力和磁成像。 显示英文摘要

摘要： We demonstrated optically detected magnetic resonance (ODMR) of nitrogen-vacancy (NV) centers in microdiamonds inside a diamond anvil cell pressurized with nanopolycrystalline diamond (NPD) anvils. NPD exhibits high optical transparency, superior hardness, and low thermal conductivity, making it suitable for optical and spectroscopic measurements under high-pressure and high-temperature conditions. We observed the ODMR signal from an ensemble of NV centers under high pressures, reaching up to 20 GPa, with a culet diameter of 600 $\mu$m. We also performed ODMR measurements on multiple microdiamonds sealed inside a sample chamber and found that the resonance frequency varied with the pressure distribution. The combination of NPD and microdiamonds containing NV centers is auspicious for pressure and magnetic imaging under concurrent high-pressure and high-temperature conditions.