ISIS Neutron and Muon Source Data Journal

µSR study on quasi-2D superconductor Ta-doped TiSe2

Abstract: Layered transition metal dichalcogenides (TMDs) with strong spin-orbit coupling (SOC) host diverse quantum phenomena, including unconventional superconductivity and charge density waves (CDWs). Recent interest has surged due to observations of time-reversal symmetry breaking and exotic superconducting states like Ising superconductivity, which exhibits remarkably high in-plane critical fields. While typically associated with non-centrosymmetric systems, Ising superconductivity can also arise in centrosymmetric materials via spin-orbital locking. Despite progress, a comprehensive understanding of superconducting ground states in 2D materials remains elusive. This proposal focuses on Ta-doped 1T-TiSe2 to explore unconventional superconductivity. Pristine 1T-TiSe2 is a topological semimetal exhibiting a CDW transition but no superconductivity. Ta substitution, offering uniform electronic modification and enhanced SOC, is anticipated to stabilize an unconventional superconducting state, potentially revealing novel insights into the interplay between topology, SOC, and superconductivity in two dimensions.

Experimenter: Miss Priya Priya
Local Contact: Dr Rhea Stewart
Experimenter: Miss Suhani Sharma
Experimenter: Dr Adrian Hillier
Experimenter: Ms Poulami Manna
Experimenter: Professor Ravi P Singh

DOI: 10.5286/ISIS.E.RB2610436

ISIS Experiment Number: RB2610436

Publisher: STFC ISIS Neutron and Muon Source

Data format: RAW/Nexus
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Data Citation

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

For Example:
Miss Priya Priya et al; (2026): µSR study on quasi-2D superconductor Ta-doped TiSe2, STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB2610436

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