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Title: Boronated holey graphene: a case of 2D ferromagnetic metal

Journal Article · · Physical Chemistry Chemical Physics. PCCP
DOI:https://doi.org/10.1039/c9cp02936b· OSTI ID:1800864
 [1]; ORCiD logo [2]; ORCiD logo [2]; ORCiD logo [3]
  1. Indian Association for the Cultivation of Science, Kolkata (India). School of Mathematical and Computational Sciences
  2. Virginia Commonwealth Univ., Richmond, VA (United States). Dept. of Physics
  3. Indian Association for the Cultivation of Science, Kolkata (India). School of Mathematical and Computational Sciences; S. N. Bose National Centre for Basic Sciences, Kolkata (India). Dept. of Condensed Matter Physics and Materials Science

In search of new candidates for two-dimensional ferromagnets, we consider boronated monolayer holey graphene (C2B), akin to recently synthesized and extensively studied nitrogenated monolayer holey graphene (C2N). In contrast to C2N which is semiconducting and nonmagnetic, our first-principles calculations show that C2B is metallic and ferromagnetic. The microscopic origin of this interesting behavior is found to be related to the hole doping of π–π* network of C–B which produces metallicity while the unpaired electron on the dangling bond of sp2 hybridized state of two-coordinated B produces magnetism. Calculated cohesive energy of boronated holey graphene indicates that the formation of this structure is energetically feasible as is the case with its nitrogenated counterpart. The dynamic and thermal stability of the predicted boronated holey graphene are checked in terms of phonon calculations and finite temperature molecular dynamics simulations. We further investigate the electronic and magnetic properties of embedded transition-metal single atom and pairs on C2B and C2N structures.

Research Organization:
Virginia Commonwealth Univ., Richmond, VA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
FG02-96ER45579
OSTI ID:
1800864
Alternate ID(s):
OSTI ID: 1562322
Journal Information:
Physical Chemistry Chemical Physics. PCCP, Vol. 21, Issue 37; ISSN 1463-9076
Publisher:
Royal Society of ChemistryCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 2 works
Citation information provided by
Web of Science

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