التفاصيل البيبلوغرافية
| العنوان: |
Novel Class of Rhenium Borides Based on Hexagonal Boron Networks Interconnected by Short B-2 Dumbbells |
| المؤلفون: |
Bykova, Elena, Johansson, Erik, Bykov, Maxim, Chariton, Stella, Fei, Hongzhan, Ovsyannikov, Sergey V., Aslandukova, Alena, Gabel, Stefan, Holz, Hendrik, Merle, Benoit, Alling, Bjorn, Abrikosov, Igor A., Smith, Jesse S., Prakapenka, Vitali B., Katsura, Tomoo, Dubrovinskaia, Natalia, Goncharov, Alexander F., Dubrovinsky, Leonid |
| بيانات النشر: |
AMER CHEMICAL SOC |
| المجموعة: |
Cologne University: KUPS |
| مصطلحات موضوعية: |
ddc:no |
| الوصف: |
Transition metal borides are known due to their attractive mechanical, electronic, refractive, and other properties. A new class of rhenium borides was identified by synchrotron single-crystal X-ray diffraction experiments in laser-heated diamond anvil cells between 26 and 75 GPa. Recoverable to ambient conditions, compounds rhenium triboride (ReB3) and rhenium tetraboride (ReB4) consist of close-packed single layers of rhenium atoms alternating with boron networks built from puckered hexagonal layers, which link short bonded (similar to 1.7 angstrom) axially oriented B-2 dumbbells. The short and incompressible Re-B and B-B bonds oriented along the hexagonal c-axis contribute to low axial compressibility comparable with the linear compressibility of diamond. Sub-millimeter samples of ReB3 and ReB4 were synthesized in a large-volume press at pressures as low as 33 GPa and used for material characterization. Crystals of both compounds are metallic and hard (Vickers hardness, H-V = 34(3) GPa). Geometrical, crystal-chemical, and theoretical analysis considerations suggest that potential ReBx compounds with x > 4 can be based on the same principle of structural organization as in ReB3 and ReB4 and possess similar mechanical and electronic properties. |
| نوع الوثيقة: |
article in journal/newspaper |
| اللغة: |
English |
| العلاقة: |
Bykova, Elena, Johansson, Erik, Bykov, Maxim orcid:0000-0003-0248-1728 , Chariton, Stella, Fei, Hongzhan, Ovsyannikov, Sergey V., Aslandukova, Alena, Gabel, Stefan, Holz, Hendrik orcid:0000-0002-6525-359X , Merle, Benoit, Alling, Bjorn, Abrikosov, Igor A., Smith, Jesse S., Prakapenka, Vitali B., Katsura, Tomoo orcid:0000-0001-7857-5101 , Dubrovinskaia, Natalia, Goncharov, Alexander F. and Dubrovinsky, Leonid . Novel Class of Rhenium Borides Based on Hexagonal Boron Networks Interconnected by Short B-2 Dumbbells. Chem. Mat. WASHINGTON: AMER CHEMICAL SOC. ISSN 1520-5002 |
| الإتاحة: |
https://kups.ub.uni-koeln.de/69025Test/ |
| رقم الانضمام: |
edsbas.AF264442 |
| قاعدة البيانات: |
BASE |
