Deepankar Sri Gyan
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View article: Optical and electronic functionality arising from controlled defect formation in nanoscale complex oxide lateral epitaxy
Optical and electronic functionality arising from controlled defect formation in nanoscale complex oxide lateral epitaxy Open
Epitaxial crystallization of complex oxides provides the means to create materials with precisely selected composition, strain, and orientation, thereby controlling their functionalities. Extending this control to nanoscale three-dimension…
View article: Low-temperature nanoscale heat transport in a gadolinium iron garnet heterostructure probed by ultrafast x-ray diffraction
Low-temperature nanoscale heat transport in a gadolinium iron garnet heterostructure probed by ultrafast x-ray diffraction Open
Time-resolved x-ray diffraction has been used to measure the low-temperature thermal transport properties of a Pt/Gd3Fe5O12//Gd3Ga5O12 metal/oxide heterostructure relevant to applications in spin caloritronics. A pulsed femtosecond optical…
View article: Subpicosecond Optical Stress Generation in Multiferroic BiFeO<sub>3</sub>
Subpicosecond Optical Stress Generation in Multiferroic BiFeO<sub>3</sub> Open
Optical excitation leads to ultrafast stress generation in the prototypical multiferroic BiFeO3. The time scales of stress generation are set by the dynamics of the population of excited electronic states and the coupling of the…
View article: Optically Induced Picosecond Lattice Compression in the Dielectric Component of a Strongly Coupled Ferroelectric/Dielectric Superlattice
Optically Induced Picosecond Lattice Compression in the Dielectric Component of a Strongly Coupled Ferroelectric/Dielectric Superlattice Open
Above‐bandgap femtosecond optical excitation of a ferroelectric/dielectric BaTiO 3 /CaTiO 3 superlattice leads to structural responses that are a consequence of the screening of the strong electrostatic coupling between the component layer…
View article: Investigation of crystal structure, microstructure and low temperature magnetic behavior of Ce<sup>4+</sup> and Zn<sup>2+</sup> co-doped barium hexaferrites (BaFe<sub>12</sub>O<sub>19</sub>)
Investigation of crystal structure, microstructure and low temperature magnetic behavior of Ce<sup>4+</sup> and Zn<sup>2+</sup> co-doped barium hexaferrites (BaFe<sub>12</sub>O<sub>19</sub>) Open
Preparation of Ce–Zn substituted barium hexaferrites and investigation of their magnetic behavior in low temperature regime (2–300 K).