Abstract
By method of canonical transformation, we derive the effective model of (BEDT-TTF)2 X organic conductor electronic subsystem to investigate mechanisms of magnetic ordering and the transitions driven by temperature change or the external pressure application as strong electron correlation effects. By applying a variant of the projection method in the Green function equation of motion approach, we study the single-particle energy spectrum, sublattice magnetization and the transition temperatures. Diversity of packing types and lattice parameters of the compounds from the studied family can be taken into account by tuning the electronic density of states form and the correlated hopping of electrons, which induces the electron–hole asymmetry. These results allow us to suggest new mechanisms for the magnetic ordering stabilization in (BEDT-TTF)2X compounds.
Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
