Coherent X-ray diffraction of the M1 to M2 structural phase transition in a single vanadium dioxide nanocrystal

被引：3
作者：
Newton, Marcus [1 ]
Wagner, Ulrich [2 ]
Rau, Christoph [2 ]
机构：
[1] Univ Southampton, Dept Phys Astron, Southampton, Hants, England
[2] Diamond Light Source, Harwell Oxford Campus, Didcot, Oxon, England
来源：
APPLIED PHYSICS EXPRESS | 2022年 / 15卷 / 07期
基金：
英国科研创新办公室;
关键词：
X-ray microscopy; synchrotron radiation; quantum materials; METAL-INSULATOR-TRANSITION; STRAIN; VO2; FIELD;
D O I：
10.35848/1882-0786/ac7777
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Correlated electronic materials are of interest due to strong coupling between lattice, spin and orbital degrees of freedom that give rise to emergent behaviour that is often of considerable utility for next-generation technologies. Vanadium dioxide is a prototypical material that undergoes a number of structural phase transitions near room temperature. Here are presented the results of coherent X-ray diffraction measurements on a single vanadium dioxide nanocrystal approximately 440 nm in size. Experimental findings are compared with ab-initio simulations to elucidate the origin of distortions that are observed in the diffraction pattern.
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页数：5
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