Half-Calcium Substitution of the CaB₆ Surface with Hydrogen: Synthesis, Structural Characterization, and Electronic Structure

Hikari Yoshioka; Mitsuhiro Saito; Satoshi Tominaka; Susumu Okada; Mina Maruyama; Yanlin Gao; Ben Slater; Shin-ichi Ito; Miwa Hikichi; Ryuki Tsuji; Osamu Oki; Yuichi Ikuhara; Shin-ichi Orimo; Hideo Hosono; Takahiro Kondo

doi:10.1002/sstr.202500389

Article Half-Calcium Substitution of the CaB₆ Surface with Hydrogen: Synthesis, Structural Characterization, and Electronic Structure

Hikari Yoshioka (Institute of Pure and Applied Sciences University of Tsukuba) ; Mitsuhiro Saito (Institute of Engineering Innovation, School of Engineering The University of Tokyo) ; Satoshi Tominaka (Center for Basic Research on Materials/Advanced Materials Characterization Field/Quantum Beam Diffraction Group, National Institute for Materials Science) ; Susumu Okada (Institute of Pure and Applied Sciences University of Tsukuba) ; Mina Maruyama (Institute of Pure and Applied Sciences University of Tsukuba) ; Yanlin Gao (Institute of Pure and Applied Sciences University of Tsukuba) ; Ben Slater (Dept of Chemistry University College London) ; Shin-ichi Ito (Institute of Pure and Applied Sciences University of Tsukuba) ; Miwa Hikichi (Institute of Pure and Applied Sciences University of Tsukuba) ; Ryuki Tsuji (Institute of Pure and Applied Sciences University of Tsukuba) ; Osamu Oki (Institute of Pure and Applied Sciences University of Tsukuba) ; Yuichi Ikuhara (Institute of Engineering Innovation, School of Engineering The University of Tokyo) ; Shin-ichi Orimo (Advanced Institute for Materials Research (AIMR) Tohoku University) ; Hideo Hosono (Research Center for Materials Nanoarchitectonics (MANA)/Nanomaterials Field/ElectroActive Materials Team, National Institute for Materials Science) ; Takahiro Kondo (Institute of Pure and Applied Sciences University of Tsukuba)

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Hikari Yoshioka, Mitsuhiro Saito, Satoshi Tominaka, Susumu Okada, Mina Maruyama, Yanlin Gao, Ben Slater, Shin-ichi Ito, Miwa Hikichi, Ryuki Tsuji, Osamu Oki, Yuichi Ikuhara, Shin-ichi Orimo, Hideo Hosono, Takahiro Kondo. Half-Calcium Substitution of the CaB₆ Surface with Hydrogen: Synthesis, Structural Characterization, and Electronic Structure. SMALL STRUCTURES. 2025, 6 (11), . https://doi.org/10.1002/sstr.202500389

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(abstract)

過去に論文報告したホウ化水素は二次元の化合物であったが、この研究では３次元の構造体になります。以前はMgB2をイオン置換して、HBとしていたものと、CaB6のイオン交換と構造解析をしている仕事です。バルクではイオン交換が進まず、表面のみであるが特異な構造が得られた。

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Creative Commons BY Attribution 4.0 International

Keyword: hydrogen boride, ion exchange, crystal structure

Date published: 2025-09-12

Publisher: Wiley-VCH GmbH

Journal:

SMALL STRUCTURES (ISSN: 26884062) vol. 6 issue. 11

Funding:

JSPS Grant Nos. JP19H02551, JP19H05046:A01, JP21H00015:B01, JP21H05012, JP21H05232, JP21H05233, JP21K14484, JP22H00283, JP22K18964, JP23H05469, JP23H01843, JP23K26536, JP24H02204, JP25H00417, and JP25K08414 (KAKENHI)
MEXT Element Strategy Initiative to Form Core Research Center JPMXP0112101001
JST CREST Program Japan Grant No. JPMJCR21O4, JPMJCR24A2, JPMJCR24A4, and JPMJCR23A4

Manuscript type: Author's version (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.6012

First published URL: https://doi.org/10.1002/sstr.202500389

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Updated at: 2025-12-15 13:49:38 +0900

Published on MDR: 2025-12-18 19:08:27 +0900

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