Compact high-pressure cell for in situ synchrotron powder x-ray diffraction featuring precise pressure and temperature control and a wide aperture for crystallographic studies under pressures of up to 400 MPa. - Mori, Yuki; Kawaguchi, Shogo; Kobayashi, Shintaro; Kawaguchi-Imada, Saori; Takemoto, Michitaka; Matsumoto, Masamitsu (Review of Scientific Instruments, 2026)