ISIS Neutron and Muon Source Data Journal

Thermodynamic stability across concurrent structural, magnetic, and metal-insulator transition in h-NiS

Abstract: With the proposed work, we aim to understand the role of the electron, spin, and lattice degrees of freedom (DOF) in h-NiS across the metal-insulator transition (MIT). One promising approach to decipher the contribution from various DOF is to calculate the thermodynamic stability of the metallic and insulating phases. This is done by calculating the phonon, electron, and spin entropy across MIT and determine the dominant contribution to the total entropy. Using inelastic neutron scattering (INS), we plan to measure phonon and magnon scattering intensity, and subsequently correct for background, multiphonon, and multiple scattering to obtain the phonon and magnon density of states (DOS). From measured DOS, we will calculate the phonon and magnon entropy contributions and combine with simulations of the electron entropy to determine the overall thermodynamic stability across the MIT.

Principal Investigator: Professor Dipanshu Bansal
Experimenter: Mr Arush Gupta
Local Contact: Dr Duc Le
Experimenter: Dr Naini Bajaj
Experimenter: Mr Aditya Prasad Roy

DOI: 10.5286/ISIS.E.RB2010135

ISIS Experiment Number: RB2010135

Publisher: STFC ISIS Neutron and Muon Source

Data format: RAW/Nexus
Select the data format above to find out more about it.

Data Citation

The recommended format for citing this dataset in a research publication is as:
[author], [date], [title], [publisher], [doi]

For Example:
Professor Dipanshu Bansal et al; (2021): Thermodynamic stability across concurrent structural, magnetic, and metal-insulator transition in h-NiS, STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB2010135

Data is released under the CC-BY-4.0 license.