Das, Hena ; De Raychaudhury, Molly ; Saha-Dasgupta, T. (2008) Moderate to large magneto-optical signals in high Tc double perovskites Applied Physics Letters, 92 (20). 201912_1-201912_3. ISSN 0003-6951
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Official URL: http://link.aip.org/link/?APPLAB/92/201912/1
Related URL: http://dx.doi.org/10.1063/1.2936304
Abstract
Using first-principles density functional calculations, we have computed the optical and magneto-optical properties of the Cr-based double perovskite compounds, Sr2CrB'O6 with B' = W,Re,Os. Our computed magneto-optic spectra show substantially large Kerr rotations of about -2° to -2.5° for Sr2CrWO6 and Sr2CrReO6 and a moderately large Faraday rotation of about -0.25×106 deg/cm in insulating Sr2CrOsO6, indicating possible industrial applications. Our study should motivate experimental investigations in this yet to be explored area of Sr2CrB'O6 compounds.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Institute of Physics. |
| Keywords: | ab Initio Calculations; Density Functional Theory; Faraday Effect; Kerr Magneto-optical Effect; Strontium Compounds; Superconducting Materials |
| ID Code: | 65089 |
| Deposited On: | 15 Oct 2011 11:59 |
| Last Modified: | 15 Oct 2011 11:59 |
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