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Optical Spectroscopy and Crystal Field Studies of the Mn4+ Ion (3d3) in the Double Perovskite NaLaMgTeO6
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Alok M. Srivastava
,
Mikhail G. Brik
Published/Copyright:
June 2, 2014
The spectroscopic properties of the Mn4+ ion (3d3) in the double perovskite NaLaMgTeO6 are reported in this work. Evidence is presented for the occupation by the Mn4+ ion of both the six coordinated Mg2+ and Te6+ sites in the host structure. The Mn4+ energy levels are calculated using the exchange charge model of crystal field theory for both occupied sites. The results of our calculations yield the crystal field splitting and Racah parameters of Dq = 2008 cm−1, B = 790 cm−1, C =2881 cm−1, with C/B=3:65 (Mg2+ site) and Dq=2008 cm−1, B=790 cm−1,C =2949 cm−1, with C/B = 3:73 (Te6+ site). A cross-cutting comparative study of the variations in the crystal field splitting and the Racah parameters of the six-coordinated Mn4+ ion in a series of materials with the perovskite structure are presented.
Graphical Abstract
Optical Spectroscopy and Crystal Field Studies of the Mn4+ Ion (3d3) in the Double Perovskite NaLaMgTeO6
Received: 2013-8-21
Published Online: 2014-6-2
Published in Print: 2014-2-1
© 1946 – 2014: Verlag der Zeitschrift für Naturforschung
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Articles in the same Issue
- Materials Chemistry and Light
- Fluorescence-active Waveguides by the Sol-Gel Method. Theory and Application
- Optical Spectroscopy and Crystal Field Studies of the Mn4+ Ion (3d3) in the Double Perovskite NaLaMgTeO6
- Na2Y3Cl3[TeO3]4: Synthesis, Crystal Structure and Spectroscopic Properties of the Bulk Material and its Luminescent Eu3+-doped Samples
- Preparation and Characterization of Transparent, Photoluminescent MgAl2O4:Eu2+ Ceramics
- Energy Recovery from Lu2O3:Tb,Hf Ceramic Storage Phosphors
- Understanding Persistent Luminescence: Rare-Earth- and Eu2+-doped Sr2MgSi2O7
- Synthesis and Optical Properties of Li3Ba2La3(MoO4)8:Sm3+ Powders for pcLEDs
- Development of Nd3+-doped Monoclinic Dimolybdates La2Mo2O9 as Optical Materials
- Synchrotron Radiation Study of Interconfigurational 5d-4f Luminescence of Pr3+ in KLuP2O7
- Efficient Red Emission from Europium Chelate-Silicone Host-Guest Hybrids
- Transparent CuInS2 PMMA Nanocomposites Luminescent in the Visible and NIR Region
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- Red (Eu3+), Green (Tb3+) and Ultraviolet (Gd3+) Emitting Nitrilotriacetate Complexes Prepared by One-step Synthesis
- Photoluminescent Tetrazolate-based Eu(III) Complexes: An Outstanding Impact of Aromatic Phosphine Oxide Co-ligands on the Photoluminescence Quantum Yields
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- 1,3-Thiazole as Suitable Antenna Ligand for Lanthanide Photoluminescence in [LnCl3(thz)4]·0.5thz, Ln = Sm, Eu, Gd, Tb, Dy
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