Volume 143, Number 2, July 2023
|Number of page(s)||6|
|Section||Condensed matter and materials physics|
|Published online||24 July 2023|
Thermodynamic properties of substrate-induced graphene superlattice in homogeneous magnetic field
Department of Physics & Astrophysics, University of Delhi - Delhi–110007, India
(a) E-mail: firstname.lastname@example.org (corresponding author)
Received: 23 March 2023
Accepted: 6 July 2023
In this article we study the thermodynamic properties of a substrate-induced graphene superlattice in the presence of uniform magnetic field B. We derive an expression for the partition function of the system with uniform magnetic field B using the zeta function approach and find all related thermodynamic functions such as Helmholtz free energy, total energy, specific heat capacity and entropy for three cases related to the sublattice potential. We also show that the Dulong-Petit law is verified for all cases in the high-temperature limit. These results may shed light on the study of graphene superlattices in the developement of thermo-electric devices.
© 2023 EPLA
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