Journal of Theoretical and Applied Physics (JTAP) Magnetic susceptibility and Magnetocaloric effect of Frost-Musulin potential subjected to Magnetic and Aharonov-Bohm (Flux) fields for CO and NO diatomic molecules Volume 17 (2023) JTAP Issue 2, May & June 2023 2023 11 17 Magnetic susceptibility and Magnetocaloric effect of Frost-Musulin potential subjected to Magnetic and Aharonov-Bohm (Flux) fields for CO and NO diatomic molecules 10.57647/J.JTAP.2023.1702.18 EN Eddy Sunday William Department of Physics, Faculty of Physical sciences, University of Calabar, Calabar, Nigeria 0000-0002-5247-5281 Stanley C. Onye Department of Computer Science, Faculty of Computing, Air Force Institute of Technology, Kaduna, Nigeria Akpan Ndem Ikot Theoretical Physics Group, Department of Physics, University of Uyo, Uyo, Nigeria 0000-0002-1078-262X Arthur N. Nwachukwu Department of Physics, Alex Ekwueme Federal University Ndufu-Alike, Ebonyi State, Nigeria Etido P Inyang Department of Physics, National Open University of Nigeria, Jabi, Abuja, Nigeria 0000-0002-5031-3297 Ituen B. Okon Department of Physics, University of Uyo, Uyo, Nigeria Ita Okon Akpan Department of Physics, Faculty of Physical sciences, University of Calabar, Calabar, Nigeria Benedict I. Ita Department of Pure and Applied Chemistry, University of Calabar, Calabar, Nigeria Journal Article 2023 11 17 In this paper, we perform a nonrelativistic study of Frost-Musulin potential (FMP) impacted by the external magnetic and AB flux fields for the CO and NO diatomic molecules using the Nikiforov-Uvarov method with the Greene-Aldrich approximation to the centrifugal barrier. The numerical computation of the proposed potential reveals that the combined impact of the magnetic and AB flux fields completely removes the degeneracy of the energy spectra and controls the behavior of the magnetocaloric effect (MCE) by acting as a regulating factor to cool or heat the MCE. Also, the thermomagnetic plots obtained for the analyzed dimer molecules agreed perfectly with previous work. This research has the potential to be applied in molecular physics and MCE studies for a variety of molecules.