Photoelectron Diffraction and Holography Studies on Dopant Local Structures

研究成果査読

2 被引用数 (Scopus)

抄録

Photoelectron holography (PEH) is an experimental technique that can be used to study the three-dimensional (3D) local structure around a focused atom. Recent advancements in reconstruction algorithm and the utilization of high-intensity soft X-rays generated from third-generation synchrotron facilities have made it possible to reveal detailed dopant local structures of less than 1% concentrations, with element and chemical site selectivities. Moreover, recent PEH studies have demonstrated that even the dopant occupancy for each crystal site of diamond and graphene can be estimated and that the orientation of a dopant vacancy complex can be determined. The information obtained by this technique is valuable for understanding and improving the physical properties of doped materials and also sheds light on how dopants are taken up in a crystal during synthesis. Here, photoelectron diffraction (PED) studies on dopant locations and recent PEH studies reporting detailed dopant local structures are reviewed, emphasizing the unique local structure information that can be obtained by this technique.

本文言語English
論文番号091007
ジャーナルjournal of the physical society of japan
91
9
DOI
出版ステータスPublished - 9月 2022

ASJC Scopus subject areas

  • 物理学および天文学一般

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