Ising-like model for the two-step spin-crossover systems: Static properties with magnetic field effects using cluster variation method

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dc.authorid0000-0003-2123-5856
dc.contributor.authorVeliu, Valon
dc.contributor.authorErdem, Rıza
dc.contributor.authorÖzüm, Songül
dc.contributor.authorYalçın, Orhan
dc.date.accessioned2022-03-31T07:02:43Z
dc.date.available2022-03-31T07:02:43Z
dc.date.issued2021en_US
dc.departmentHitit Üniversitesi, Alaca Avni Çelik Meslek Yüksekokulu, Elektronik ve Otomasyon Bölümü
dc.description.abstractWe investigate the static properties of a two?sublattice Ising?like Hamiltonian for spin-crossover (SCO) systems in the presence of an external magnetic field. Self?consistent equations are obtained using cluster variation method in the lowest approximation. From the solutions of these equations, we present high?spin state fraction vs. temperature and magnetic field variations for various values of the degeneracy ratio between high?spin and low?spin states (r). It is shown that two metastable and one unstable (or saddle) branches in the SCO region are displayed in the r > 1 case while the metastable states disappear and only one saddle point occurs when r = 1. However, only stable states are obtained at high temperatures outside the SCO region. The comparison of our results to other theoretical treatments is also given
dc.description.provenanceSubmitted by Songül Özüm (songulozum@hitit.edu.tr) on 2021-10-25T11:09:39Z No. of bitstreams: 0en
dc.description.provenanceApproved for entry into archive by Zeynep Umut NARİN (umutarslan@hitit.edu.tr) on 2022-03-31T07:02:43Z (GMT) No. of bitstreams: 0en
dc.description.provenanceMade available in DSpace on 2022-03-31T07:02:43Z (GMT). No. of bitstreams: 0 Previous issue date: 2021en
dc.identifier.citationVeliu, V., Erdem, R., Özüm, S., Yalçın, O. (2021). Ising-like model for the two-step spin-crossover systems: Static properties with magnetic field effects using cluster variation method. The European Conference PHYSICS OF MAGNETISM 2021 (PM’21), June 28 - July 2, 2021, Pozna?, Poland
dc.identifier.endpage238en_US
dc.identifier.startpage238en_US
dc.identifier.urihttps://www.ifmpan.poznan.pl/pm21/ab.html
dc.identifier.urihttps://hdl.handle.net/11491/8337
dc.institutionauthorÖzüm, Songül
dc.language.isoen
dc.publisherInstitute of Molecular Physics, Polish Academy of Sciences Faculty of Physics, Adam Mickiewicz University, Pozna?
dc.relation.ispartofThe European Conference PHYSICS OF MAGNETISM 2021 (PM’21)
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.titleIsing-like model for the two-step spin-crossover systems: Static properties with magnetic field effects using cluster variation method
dc.typeConference Object

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