Academic Journal

Na 2 Ga 7 : A Zintl-Wade Phase Related to “α-Tetragonal Boron'

التفاصيل البيبلوغرافية
العنوان: Na 2 Ga 7 : A Zintl-Wade Phase Related to “α-Tetragonal Boron'
المؤلفون: Yu, C., Ormeci, A., Veremchuk, I., Feng, X., Prots, Y., Krnel, M., Koželj, P., Schmidt, M., Burkhardt, U., Böhme, B., Akselrud, L., Baitinger, M., Grin, Y.
المصدر: Inorganic Chemistry
سنة النشر: 2023
المجموعة: Max Planck Society: MPG.PuRe
الوصف: Na2Ga7 crystallizes with the orthorhombic space group Pnma (no. 62; a = 14.8580(6) Å, b = 8.6766(6) Å, and c = 11.6105(5) Å; Z = 8) and constitutes a filled variant of the Li2B12Si2 structure type. The crystal structure consists of a network of icosahedral Ga12 units with 12 exohedral bonds and four-bonded Ga atoms in which the Na atoms occupy the channels and cavities. The atomic arrangement is consistent with the Zintl [(4b)Ga]− and Wade [(12b)Ga12]2- electron counting approach. The compound forms peritectically from Na7Ga13 and the melt at 501 °C and does not show a homogeneity range. The band structure calculations predict semiconducting behavior consistent with the electron balance [Na+]4[(Ga12)2-][Ga-]2. Magnetic susceptibility measurements show that Na2Ga7 is diamagnetic. © 2023 The Authors. Published by American Chemical Society.
نوع الوثيقة: article in journal/newspaper
اللغة: English
Relation: http://hdl.handle.net/21.11116/0000-000D-667F-3
الاتاحة: http://hdl.handle.net/21.11116/0000-000D-667F-3
رقم الانضمام: edsbas.65E5ED2F
قاعدة البيانات: BASE