4 papers
Negative thermal expansion, lattice dynamics, and complex magnetism in TbFeO
Shubham Farswan, Reshma Kumawat, Dipankar Sarkar +4
We report a temperature-dependent investigation of orthoferrite TbFeO using x-ray diffraction, DC magnetization, and Raman scattering, complemented by room-temperature x-ray ph…
Non-adiabatic phonon renormalization in metallic versus insulating rutile oxides
Reshma Kumawat, Shubham Farswan, Simranjeet Kaur +1
We present a comparative Raman scattering study of metallic rutile oxides (RuO and IrO) and insulating rutiles (TiO and SnO). Temperature-dependent Raman spectra re…
Anomalous lattice anharmonicity and spin-lattice coupling in spin orbit coupled halide K2IrBr6
S. Bhatia, A. Ahmad, M. Zeeshan +5
The interplay between lattice distortions, magnetism, and spin-orbit coupling in 5d transition-metal halides offers a fertile platform for exploring correlated spin-lattice dynamic…
Potential of Raman scattering in probing magnetic excitations and their coupling to lattice dynamics
Reshma Kumawat, Shubham Farswan, Simranjeet Kaur +2
Raman scattering is an excellent method for simultaneously determining the dynamics of lattice, spin, and charge degrees of freedom. Furthermore, polarization selection rules in Ra…