Elemental analysis and thermal studies of cadmium magnesium oxalate crystal grown by silica gel method

Sanjeevannanavar, Mangala M.; Nettar, Jagannatha; D'Souza, Delma

doi:10.1063/5.0009062

Cited by 1 publication

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“…Previously, there have been some studies for quasi-ternary alloys based on ZnO/MgO [21,22] and ZnO/CdO [23,24] structures, in which composition inhomogeneity can be overcome by growing superlattice structures. However, there is still limited work being carried out on CdO-MgO alloys [25][26][27]. In this paper, we have exploited CdMgO layers deposited on quartz substrate by plasma-assisted MBE technique.…”

Section: Introductionmentioning

confidence: 99%

Effective Mg Incorporation in CdMgO Alloy on Quartz Substrate Grown by Plasma-Assisted MBE

et al. 2023

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The development of CdMgO ternary alloy with a single cubic phase is challenging but meaningful work for technological advancement. In this work, we have grown a series of Cd1−xMgxO ternary random alloys with various Mg concentrations (x = 0, 30, 32, 45, and 55%) on quartz substrate by plasmaassisted molecular beam epitaxy technique. The structural investigations of alloys were performed using the X-ray diffraction technique. The decreases in average crystallite size and lattice parameters were observed with an increase in Mg content in the alloys. X-ray diffraction analysis confirms that a single cubic phase is obtained for alloy compositions. The elemental and morphological studies were carried out using energy-dispersive X-ray spectroscopy and atomic force microscope technique, respectively. The optical investigation was carried out using UV-Vis spectroscopy. The optical bandgaps were estimated using the Tauc relation. The results varied from 2.34 to 3.47 eV by varying the Mg content from zero to 55% in the alloys. The Urbach energy increases from 112 to 350 meV, which suggests a more disordered localized state with an increase in Mg incorporation in the alloys. topics: oxides, ternary alloys, molecular beam epitaxy, Urbach energy

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