晶格膨胀是由于氢被β-菱面体硼吸收

IF 3.3 3区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR Solid State Sciences Pub Date : 2025-03-18 DOI:10.1016/j.solidstatesciences.2025.107907

Takanobu Hiroto , Hossein Sepehri-Amin , Naoki Uemura , Naoya Miyauchi , Wataru Hayami , Tadakatsu Ohkubo , Tadashi Ogitsu , Kohei Soga , Kaoru Kimura

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摘要

β-菱面体硼（β-硼）是硼元素中最常见和最重要的同素异形体之一。β-硼晶体的晶胞由B106.6组成，结构复杂且相对开放。我们以前报道过在700k以上热处理和室温光照射下β-硼晶体的晶格突然膨胀和收缩。我们最近的研究，结合x射线衍射和原子探针层析实验，表明晶格的膨胀和收缩与氢在结构中的吸收和释放有关。研究结果为β-硼作为光开关储氢材料开辟了新的应用领域。

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Lattice expansion due to hydrogen absorption into β-rhombohedral boron

β-Rhombohedral boron (β-boron) represents one of the most popular and important allotropic forms of elemental boron. The unit cell of β-boron crystal consists of B_106.6 with a complicated and relatively open structure. We have previously reported the abrupt lattice expansion and shrinkage of β-boron crystal by thermal treatment above 700 K and photoirradiation at room temperature. Our recent studies, combined with X-ray diffraction and atom probe tomography experiments, suggest that the lattice expansion and shrinkage are related to the absorption and release of hydrogen into the structure. The results lead us to a new application of β-boron as a photo-switchable hydrogen storage material.

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来源期刊

Solid State Sciences 化学-无机化学与核化学

CiteScore

6.60

自引率

2.90%

发文量

214

审稿时长

27 days

期刊介绍： Solid State Sciences is the journal for researchers from the broad solid state chemistry and physics community. It publishes key articles on all aspects of solid state synthesis, structure-property relationships, theory and functionalities, in relation with experiments. Key topics for stand-alone papers and special issues: -Novel ways of synthesis, inorganic functional materials, including porous and glassy materials, hybrid organic-inorganic compounds and nanomaterials -Physical properties, emphasizing but not limited to the electrical, magnetical and optical features -Materials related to information technology and energy and environmental sciences. The journal publishes feature articles from experts in the field upon invitation. Solid State Sciences - your gateway to energy-related materials.

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