Abstract
High-Pressure Physics Material properties can change dramatically under pressure. Typically, to achieve high-pressure conditions, researchers place their samples in diamond anvil cells (DACs). However, monitoring the properties of the sample inside a DAC is tricky (see the Perspective by Hamlin and Zhou). Hsieh et al. , Lesik et al. , and Yip et al. developed monitoring techniques based on nitrogen-vacancy (NV) centers in diamond. The NV centers can act as sensors because their energy levels and the associated spectra are sensitive to strain and magnetic fields. This enabled optical readout of a spatially resolved signal. Science , this issue p. [1349][1], p. [1359][2], p. [1355][3]; see also p. [1312][4] [1]: /lookup/doi/10.1126/science.aaw4352 [2]: /lookup/doi/10.1126/science.aaw4329 [3]: /lookup/doi/10.1126/science.aaw4278 [4]: /lookup/doi/10.1126/science.aaz4982
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