Vidya Ravindran

Academic Interests

General Interest:

  • Computational Materials Science       

                                                                 
Special Interest:

  • Application of density functional theory to study material properties
  • Electronic, magnetic, optical, magneto-optical and magneto-electric  properties
  • Study of native and extrinsic defects and defect complexes in semiconductors
  • Formation energy and diffusion energy of defects
  • Optical properties of semiconductors and solar-energy materials
  • Study of charge, orbital and spin orderings in transition-metal oxides
  • Magnetic properties of two-dimensional nanophase materials
  • Structural stability, elastic, high-pressure, and mechanical properties of ceramics and hydrides
  • Magnetic, optical, and magneto-optical properties of transition metal and rare-earth perovskite oxides and related compounds
Tags: Inorganic materials chemistry, SMN

Publications

  • Iozzi, Maria Francesca; Vajeeston, Ponniah; Vidya, R.; Ravindran, Ponniah & Fjellvåg, Helmer (2015). Structural and electronic properties of transparent conducting delafossite: a comparison between the AgBO2 and CuBO2 families (B = Al, Ga, In and Sc, Y). RSC Advances.  ISSN 2046-2069.  5(2), s 1366- 1377 . doi: 10.1039/c3ra47531j
  • Manimuthu, P.; Vidya, R.; Ravindran, Ponniah; Fjellvåg, Helmer & Venkateswaran, C. (2015). Observation of direct magneto-dielectric behaviour in Lu3Fe5O12−δ above room-temperature. Physical Chemistry, Chemical Physics - PCCP.  ISSN 1463-9076.  17(27), s 17688- 17698 . doi: 10.1039/c5cp02719e
  • Vidya, R.; Ravindran, Ponniah & Fjellvåg, Helmer (2012). Ab-initio studies on Li doping, Li-pairs, and complexes between Li and intrinsic defects in ZnO. Journal of Applied Physics.  ISSN 0021-8979.  111(12) . doi: 10.1063/1.4729774
  • Vajeeston, Ponniah; Vidya, R. & Fjellvåg, Helmer (2011). Nano-Phases of NaBH4 and KBH4. Journal of Nanoscience and Nanotechnology.  ISSN 1533-4880.  11(3), s 1929- 1934 . doi: 10.1166/jnn.2011.3517
  • Vidya, Ravindran; Ravindran, Ponniah; Fjellvåg, Helmer; Svensson, Bengt Gunnar; Monakhov, Edouard; Ganchenkova, Maria & Nieminen, Risto G. (2011). Energetics of intrinsic defects and their complexes in ZnO investigated by density functional calculations. Physical Review B. Condensed Matter and Materials Physics.  ISSN 1098-0121.  83(4) . doi: 10.1103/PhysRevB.83.045206
  • Karlsen, Ole Bjørn; Kjekshus, Arne; Fjellvåg, Helmer; Ravindran, Ponniah; Vidya, R. & Hauback, BC (2009). Structure and magnetism of the beta-Mn-Co solid-solution phase. Journal of Alloys and Compounds.  ISSN 0925-8388.  476(1-2), s 9- 13 . doi: 10.1016/j.jallcom.2008.09.011
  • Ravindran, Ponniah; Vidya, R.; Eriksson, O & Fjellvåg, Helmer (2008). Magnetic-instability-induced giant magnetoelectric coupling. Advanced Materials.  ISSN 0935-9648.  20, s 1353- + . doi: 10.1002/adma.200701889
  • Ravindran, Ponniah; Vidya, R.; Fjellvåg, Helmer & Kjekshus, Arne (2008). Validity of bond-length and Mossbauer parameters to assign oxidation states in multicomponent oxides: Case study of Sr4Fe4O11. Physical Review B. Condensed Matter and Materials Physics.  ISSN 1098-0121.  77 . doi: 10.1103/PhysRevB.77.134448 Show summary
  • Vidya, R.; Ravindran, Ponniah; Knizek, K; Kjekshus, Arne & Fjellvåg, Helmer (2008). Density functional theory studies of spin, charge, and orbital ordering in YBaT2O5 (T = Mn, Fe, Co). Inorganic Chemistry.  ISSN 0020-1669.  47, s 6608- 6620 . doi: 10.1021/ic702025c Show summary
  • Ravindran, Ponniah; Vajeeston, Ponniah; Vidya, R.; Fjellvåg, Helmer & Kjekshus, A (2006). Modeling of hydrogen storage materials by density-functional calculations. Journal of Power Sources.  ISSN 0378-7753.  159, s 88- 99
  • Ravindran, Ponniah; Vidya, R.; Kjekshus, Arne; Fjellvåg, Helmer & Eriksson, O. (2006). Theoretical investigation of magnetoelectric behavior in BiFeO3. Physical Review B. Condensed Matter and Materials Physics.  ISSN 1098-0121.  74
  • Vidya, R.; Ravindran, Ponniah; Fjellvåg, Helmer & Kjekshus, Arne (2006). Spin- and charge-ordering in oxygen-vacancy-ordered mixed-valence Sr4Fe4O11. Physical Review B. Condensed Matter and Materials Physics.  ISSN 1098-0121.  74
  • Vidya, R.; Ravindran, Ponniah; Kjekshus, A & Fjellvåg, Helmer (2006). Density-functional calculations of the crystal structures and properties of CsCr3O8 and ACr(3)O(8) (A=In,Tl,Cu,Ag,Au). Physical Review B. Condensed Matter and Materials Physics.  ISSN 1098-0121.  73
  • Vidya, R.; Ravindran, Ponniah; Kjekshus, Arne & Fjellvåg, Helmer (2006). Crystal and electronic structures of Cr3O8 and LiCr3O8: Probable cathode materials in Li batteries. Physical Review B. Condensed Matter and Materials Physics.  ISSN 1098-0121.  73
  • Vidya, R.; Ravindran, Ponniah; Kjekshus, Arne & Fjellvåg, Helmer (2006). First-principles density-functional calculations on HCr3O8: An exercise to better understand the ACr(3)O(8) (A = alkali metal) family. Journal of Electroceramics.  ISSN 1385-3449.  17, s 15- 20 . doi: 10.1007/s10832-006-9929-6
  • Vajeeston, P; Vidya, R. & Fjellvåg, Helmer (2005). Site preference of hydrogen in metal, alloy and intermetallic frameworks. Europhysics letters.  ISSN 0295-5075.  nov, s 569- 575
  • Ravindran, Vidya; Ponniah, Ravindran; Kjekshus, Arne; Fjellvåg, Helmer & Hauback, Bjørn (2004). Magnetic properties of Ca-doped SrRuO3 from full-potential calculations. Journal of Solid State Chemistry.  ISSN 0022-4596.  177, s 146- 158 Show summary
  • Ponniah, Ravindran; Ravindran, Vidya; Fjellvåg, Helmer & Kjekshus, Arne (2004). Electronic structure and excited-state properties of Perovskite-like oxides. Journal of Crystal Growth.  ISSN 0022-0248.  268, s 554- 559 Show summary
  • Ponniah, Vajeeston; Ponniah, Ravindran; Ravindran, Vidya; Fjellvåg, Helmer & Kjekshus, Arne (2004). Design of potential hydrogen-storage materials using first-principle density-functional calculations. Crystal Growth & Design.  ISSN 1528-7483.  4, s 471- 477
  • Ravindran, Vidya; Ponniah, Ravindran; Ponniah, Vajeeston; Fjellvåg, Helmer & Kjekshus, Arne (2004). Spin, charge, and orbital orderings in oxides with dual-valent transition metal ions. Ceramics International.  ISSN 0272-8842.  30, s 1993- 1998 Show summary
  • Ravindran, Vidya; Ponniah, Ravindran; Ponniah, Vajeeston; Kjekshus, Arne & Fjellvåg, Helmer (2004). Effect of oxygen stoichiometry on spin, charge, and orbital ordering in manganites. Physical Review B. Condensed Matter and Materials Physics.  ISSN 1098-0121.  69, s art. no.- 092405 Show summary
  • Vajeeston, Ponniah; Ravindran, Ponniah; Ravindran, Vidya; Fjellvåg, Helmer & Kjekshus, Arne (2003). Huge-pressure-induced volume collapse in LiAlH4 and its implications to hydrogen storage. Physical Review B. Condensed Matter and Materials Physics.  ISSN 1098-0121.  68, s art. no.- 212101

View all works in Cristin

  • Ravindran, Ponniah; Vidya, R.; Fjellvåg, Helmer & Kjekshus, Arne (2008). Reply to "Comment on 'Spin- and charge-ordering in oxygen-vacancy-ordered mixed-valence Sr4Fe4O11' ". Physical Review B. Condensed Matter and Materials Physics.  ISSN 1098-0121.  77 . doi: 10.1103/PhysRevB.77.136402 Show summary
  • Vidya, R. (2006). Theoretical investigations on mixed-valent transition-metal oxides. Dissertation for the Degree Dr. Philos. ISSN 1501-7710. 485.

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Published Nov. 11, 2010 9:00 AM - Last modified Sep. 19, 2017 2:54 PM

Projects

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