Journal
JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM
Volume 29, Issue 5, Pages 1363-1369Publisher
SPRINGER
DOI: 10.1007/s10948-016-3417-2
Keywords
Graphene structure; Monte Carlo simulation; Critical temperature; Magnetic hysteresis cycle
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The Monte Carlo simulation is used to study the magnetic properties of graphene structure formed by ferrimagnetic spin 5/2 and 3/2 configuration. The critical temperature is obtained for different values of exchange interactions and for different crystal fields. The total magnetization has been determinate for different values of exchange interactions, different crystal fields, and different values of temperature. The magnetic hysteresis cycle is obtained for different values of temperature, for different values of exchange interactions, and for different values of crystal fields. Graphene-based magnetoresistance sensors hold immense promise over existing sensors due to their stable performance over temperature variation, eliminating the necessity for expensive wafers or temperature correction circuitry. The potential applications for magnetic graphene would stretch broadly from information processing to medicine.
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