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Heavy boron doping in superconducting carbon materials

Journal Article · · Physical Review Materials
 [1];  [1];  [2]
  1. Univ. of Texas, Austin, TX (United States)
  2. Univ. of California, Berkeley, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Materials Sciences Division
Here we examine physical properties of heavily boron-doped sp3-hybridized carbon allotropes: cubic diamond, hexagonal diamond, and body centered tetragonal C4. The structural similarity between cubic diamond and hexagonal diamond leads to similar responses to substitutional boron doping. On the other hand, body centered tetragonal C4 exhibits distinct structural and electronic properties because of its characteristic structure. Our study also shows that the superconducting transition temperatures up to 60 K are possible in heavily doped carbon materials despite their various atomistic structures.
Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)
Sponsoring Organization:
National Science Foundation (NSF); USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division
Grant/Contract Number:
AC02-05CH11231; FG02-06ER46286
OSTI ID:
1737616
Journal Information:
Physical Review Materials, Journal Name: Physical Review Materials Journal Issue: 5 Vol. 4; ISSN 2475-9953
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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