5 papers
Hysteretic Phonons and Quasielastic Response: A Raman Study of Thermal Memory in Two-dimensional CuCrP2S6
Chaitanya B. Auti, Atul G. Chakkar, Sebastian Selter +4
We present a comprehensive temperature and polarization dependent inelastic light scattering (Raman) study on single crystals of two-dimensional CuCrP2S6, a layered van der Waals m…
Phonon anomalies, Anharmonicity, and thermal expansion coefficient in few layered PtX2 (X= S, Se): A temperature dependent Raman study
Atul G. Chakkar, Chaitanya B. Auti, Gaurav Bassi +2
Two-dimensional group-10 noble transition metal dichalcogenides have garnered growing attention due to their rich physical properties and promising applications across nanoelectron…
Antipolar and short and long-range magnetic ordering in quasi-two-dimensional AgCrP2S6
Chaitanya B. Auti, Atul G. Chakkar, Shantanu Semwal +6
Within the Landau theoretical framework, the decreased entropy with decreasing the temperature is accompanied by the symmetry breaking and hence a corresponding phase transition. T…
Tunable resonant Raman scattering with temperature in vertically aligned 2H-SnS2
Atul G. Chakkar, Deepu Kumar, Ashok Kumar +2
Two-dimensional semiconducting materials have a wide range of applications in various fields due to their excellent properties and rich physics. Here, we report a detailed investig…
Raman signature of multiple phase transitions and quasi-particle excitations in putative Kitaev spin liquid candidate Na2Co2TeO6
Atul G. Chakkar, Chaitanya B. Auti, Deepu Kumar +3
Two-dimensional cobalt-based honeycomb oxide Na2Co2TeO6 is an important candidate for the realization of Kitaev physics and may provide future platform for the quantum computation…