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Anomalies in the cathodoluminescence of the antiferromagnetic oxides NiO and CoO

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Díaz-Guerra Viejo, Carlos and Piqueras de Noriega, Javier (1997) Anomalies in the cathodoluminescence of the antiferromagnetic oxides NiO and CoO. Solid State Communications, 104 (12). pp. 763-766. ISSN 0038-1098

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Official URL: http://dx.doi.org/10.1016/S0038-1098(97)10010-2


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Abstract

Cathodoluminescence (CL) of the antiferromagnetic oxides NiO and CoO has been investigated. Both compounds show luminescence bands in the visible and near infrared spectral ranges, tentatively attributed to intra-ionic transitions. Dependence of the visible CL intensity with temperature presents anomalies at about half of the Neel temperature, which are explained by the existence of magnetic ordering effects. The results are briefly compared with previous reports on the CL from YBa_2Cu-3O-(7-x).


Item Type:Article
Additional Information:

(C) 1997 Elsevier Science Ltd.
This work was supported by 21. DGICYT (Project PB 93-1256).

Uncontrolled Keywords:Wave-Assisted Photoluminescence, D-D Excitations, Electronic-Structure, Low-Temperatures, Yba2cu3o7-X, Nio(100), Mno; Microscopy, Crystals, Coo(100)
Subjects:Sciences > Physics > Materials
ID Code:26393
Deposited On:30 Jul 2014 10:51
Last Modified:30 Jul 2014 10:51

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