Ferroelectricity in spinel solid solution Co$_{\textrm{0.8}}$Ni$_{\textrm{0.2}}$Cr$_{\textrm{2}}$O$_{\textrm{4}}$. Bush, A. A., Shkuratov, V. Y., Kamentsev, K. E., Prokhorov, A. S., Zhukova, E. S., Gorshunov, B. P., & Torgashev, V. I. Physical Review B, 85(21):214112, American Physical Society, June, 2012. ![Ferroelectricity in spinel solid solution Co$_{\textrm{0.8}}$Ni$_{\textrm{0.2}}$Cr$_{\textrm{2}}$O$_{\textrm{4}}$ [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex Temperature dependencies of dielectric permittivity and loss tangent (at frequencies 0.1–200 kHz) together with thermally stimulated depolarization currents, magnetization, and Mössbauer spectra of ceramic solid solutions Co1−xNixCr2O4 (x = 0, 0.2, 0.4, 0.6, 1.0) are studied at temperatures from 80 to 350 K. We find evidence of two reversible phase transitions located at T1 and T2 (220 and 245 K, respectively, for x = 0.2), of occurrence of pyroelectric properties below T2, as well as of a phase transition to magnetically ordered state of ferrimagnetic type (below 86 K for x = 0.2). The obtained results evidence that the compounds possess, additionally to magnetic, ferroelectric properties and are thus new members in the family of multiferroics.
@article{bush_ferroelectricity_2012,
title = {Ferroelectricity in spinel solid solution {Co}$_{\textrm{0.8}}${Ni}$_{\textrm{0.2}}${Cr}$_{\textrm{2}}${O}$_{\textrm{4}}$},
volume = {85},
url = {https://link.aps.org/doi/10.1103/PhysRevB.85.214112},
doi = {10.1103/PhysRevB.85.214112},
abstract = {Temperature dependencies of dielectric permittivity and loss tangent (at frequencies 0.1–200 kHz) together with thermally stimulated depolarization currents, magnetization, and Mössbauer spectra of ceramic solid solutions Co1−xNixCr2O4 (x = 0, 0.2, 0.4, 0.6, 1.0) are studied at temperatures from 80 to 350 K. We find evidence of two reversible phase transitions located at T1 and T2 (220 and 245 K, respectively, for x = 0.2), of occurrence of pyroelectric properties below T2, as well as of a phase transition to magnetically ordered state of ferrimagnetic type (below 86 K for x = 0.2). The obtained results evidence that the compounds possess, additionally to magnetic, ferroelectric properties and are thus new members in the family of multiferroics.},
number = {21},
urldate = {2023-11-11},
journal = {Physical Review B},
publisher = {American Physical Society},
author = {Bush, A. A. and Shkuratov, V. Ya. and Kamentsev, K. E. and Prokhorov, A. S. and Zhukova, E. S. and Gorshunov, B. P. and Torgashev, V. I.},
month = jun,
year = {2012},
pages = {214112},
}
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