Ultrastrong Boron Frameworks in ZrB₁₂: A Highway for Electron Conducting

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• 作者：Teng Ma ; Hui Li ; Xu Zheng ; Shanmin Wang ; Xiancheng Wang ; Huaizhou Zhao ; Songbai Han ; Jian Liu ; Ruifeng Zhang ; Pinwen Zhu ; Youwen Long ; Jinguang Cheng ; Yanming Ma ; Yusheng Zhao ; Changqing Jin and Xiaohui Yu
• 刊名：Advanced Materials
• 出版年：2017
• 出版时间：January 18, 2017
• 年：2017
• 卷：29
• 期：3
• 全文大小：1586K
• ISSN：1521-4095

文摘

ZrB₁₂, with a high symmetrical cubic structure, possesses both high hardness ≈27.0 GPa and ultralow electrical resistivity ≈18 µΩ cm at room temperature. Both the superior conductivity and hardness of ZrB₁₂ are associated with the extended BB 3D covalent bonding network as it is not only favorable for achieving high hardness, but also provides conducting channels for transporting electrons.