Some optical, magnetic and transport properties of CdMoO4:Nd3+. Issue 3 (15th February 2016)

• Record Type: Journal Article
• Authors: Groń, T.; Tomaszewicz, E.; Berkowski, M.; Sawicki, B.; Urbanowicz, P.; Kusz, J.; Duda, H.; Oboz, M.
• Is Part Of: Ceramics international. Volume 42:Issue 3(2016)
• Page Start: 4185
• Page End: 4193
• Publication Date: 2016-02-15
• Subjects: A. Grain growth -- B. Spectroscopy -- C. Optical properties -- C. Electrical properties -- C. Magnetic properties; Ceramics -- Periodicals; Céramique industrielle -- Périodiques; Ceramics; Periodicals; Electronic journals; 666
• DOI: 10.1016/j.ceramint.2015.11.092
• Languages: English
• ISSNs: 0272-8842

Abstract

Abstract: Single crystal of new cadmium and neodymium molybdate solid solution (Cd0.958 Nd0.028 □0.014 MoO4, where □ denotes cationic vacancies) has been successfully grown by the Czochralski method. The X-ray diffraction analysis confirmed that this solid solution crystallizes in the scheelite type structure, the Nd 3+ ions do not show long-range order and they are randomly distributed in the unit cell, substituting the Cd 2+ ions. As a consequence, the unexpected properties of CdMoO4 :Nd 3+ are observed such as the energy gap (~1.77 eV) twice smaller than that of the matrix CdMoO4, a paramagnetic state with the short-range ferromagnetic interactions, behavior related to the electrical conductor with p – n transition along the 〈100〉 axis, the semiconducting behavior with n – p transition along the 〈001〉 axis and the diode-like behavior found to be of Schottky- or Maxwell-Wagner type. Therefore, we predict great potential of this single crystal for technical applications in electronic devices.