Spin-charge-lattice coupling in quasi-one-dimensional Ising spin chain CoNb2O6.

摘要: Magnetization, magnetostriction and dielectric constant measurements are performed on single crystals of quasi-one-dimensional Ising spin chain CoNb$_{2}$O$_{6}$ at temperatures below above the antiferromagnetic phase transition. Field-induced magnetic transitions clearly reflected in magnetodielectric data. Sharp anomalies observed around critical fields to ferrimagnetic saturated-paramagnetic transition both experiments. Detailed analysis temperature field dependence suggests that spins coupled with lattice as well charges CoNb$_{2}$O$_{6}$. Below temperature, overall resemblance anomalies, various physical parameters such magnetization, constant, entropy change gives a deeper insight about influence configuration these