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cond-mat.mtrl-sci2025
Topotactic Reduction-Driven Crystal Field Excitations in Brownmillerite Manganite Thin Films
Feng Jin, Shiyu Fan, Mingqiang Gu +12
Topotactic reduction of perovskite oxides offers a powerful approach for discovering novel phenomena, such as superconducting infinite-layer nickelates and polar metallicity, and i…
cond-mat.mtrl-sci2024
Hard X-ray Generation and Detection of Nanometer-Scale Localized Coherent Acoustic Wave Packets in SrTiO and KTaO
Yijing Huang, Peihao Sun, Samuel W. Teitelbaum +21
We demonstrate that the absorption of femtosecond x-ray pulses can excite quasi-spherical high-wavevector coherent acoustic phonon wavepackets using an all x-ray pump and probe sca…