ISIS Neutron and Muon Source Data Journal

Are charge fluctuations present in KV3Sb5? A zero-field and longitudinal field investigation

Abstract: Kagome metals, AV3Sb5 (A= Rb,Cs and K), have attracted wide research attention owing to their complex electronic instabilities, including charge density wave (CDW), superconductivity, and nematic transitions. Understanding the possible origin and nature of these states has become a primary challenge. In our previous experiments (RB2410449 and RB2510399), we employed the avoided level crossing muSR technique on all the AV3Sb5 and identified a charge rearrangement well inside the CDW phase, at T*~ 40 K, manifested as a distinct shift in the resonance field with decreasing temperature for the Rb and Cs compounds. Different from its sister compounds, KV3Sb5 deviates from this behaviour, showing no comparable change. To better understand the charge dynamics, we propose a short continuation experiment to investigate the zero-field and longitudinal-field muSR measurements on KV3Sb5, a standout member of the AV3Sb5 family.

Principal Investigator: Dr Anshu Kataria
Experimenter: Dr Zurab Guguchia
Local Contact: Dr Stephen Cottrell
Experimenter: Professor Samuele Sanna
Experimenter: Professor Stephen Wilson
Experimenter: Dr Pietro Bonfa
Experimenter: Dr Pietro Bonfa

DOI: 10.5286/ISIS.E.RB2520479

ISIS Experiment Number: RB2520479

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:
Dr Anshu Kataria et al; (2026): Are charge fluctuations present in KV3Sb5? A zero-field and longitudinal field investigation, STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB2520479

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