T. Hicken

$μ$ SR measurements of 3D Ising ferromagnetism in bulk Fe $_{3}$ GeTe $_{2}$ crystals

M. N. Wilson, J. Huang, T. J. Hicken +4

Fe $_{3}$ GeTe $_{2}$ is a quasi-two-dimensional itinerant ferromagnet with a van-der-Waals layered structure that exhibits substantial magnetic anisotropy. In bulk samples, this material…

Local magnetic properties of the rare-earth intermetallics $R$ Mn $_{2}$ Ge $_{2}$ ( $R$ =Ce, Pr, Nd)

N. P. Bentley, T. L. Breeze, A. Hernández-Melián +9

We present an investigation of the rare-earth intermetallic materials, $R$ Mn $_{2}$ Ge $_{2}$ ( $R$ =Ce, Pr, Nd), reported to host a lattice of skyrmionic bubbles at room temperature. The m…

Lifting the degeneracy of quantum spin liquid phase by uniaxial pressure

Shams Sohel Islam, Zurab Guguchia, Orion Gerguri +13

We report muon spin relaxation/rotation ( $μ$ SR) measurements of the candidate three-dimensional (3D) quantum spin liquid (QSL) PbCuTe $_{2}$ O $_{6}$ , hosting $S = 1/2$ moments, under contr…

Discovery of hidden order in the Shastry-Sutherland magnet Nd2Be2GeO7

Andi Liu, Samuel H. Moody, Thomas J. Hicken +9

Hidden order typically manifests as a thermodynamic phase transition without a conventional order parameter, leaving its true nature concealed even at the lowest temperatures. In t…

cond-mat.mtrl-sci2026

Experimental investigation of altermagnetic order in Cr-doped FeSb2

A K M Ashiquzzaman Shawon, Eoghan Downey, Shane Smolenski +16

Altermagnets are a class of materials with compensated magnetic moments, in which spin sublattices are related by specific rotational symmetries other than inversion or translation…

Dynamical magnetism in the disordered cubic lattice material $γ$ - $Ba_{3} CoNb_{2} O_{9}$

Fanjun Xu, Ralf Feyerherm, Cecilie Glittum +12

$γ$ - $Ba_{3} CoNb_{2} O_{9}$ realizes a disordered simple-cubic spin- $1/2$ lattice in which Co $^{2 +}$ ions randomly occupy one third of the sites, placing the system…

Unified pressure and field response across distinct charge-order regimes in Ti-doped CsV $_{3}$ Sb $_{5}$

P. Kràl, S. S. Islam, Andrea N. Capa Salinas +10

Understanding the phase diagram of kagome superconductors from a microscopic perspective is crucial for clarifying the interplay between charge order and superconductivity. Ti-dope…

Correlated charge order intertwined with time-reversal symmetry-breaking nodal superconductivity in the dual flat band kagome superconductor CeRu $_{3}$ Si $_{2}$

O. Gerguri, P. Kràl, M. Spitaler +19

Kagome materials provide a powerful platform for exploring how flat electronic bands promote symmetry-breaking quantum states, yet studies have so far focused mainly on kagome-deri…

Pressure-Invariant Isotope Effect as Evidence for Electronically Driven Intertwined Order in Pr $_{4}$ Ni $_{3}$ O $_{10}$

Rustem Khasanov, Thomas J. Hicken, Igor Plokhikh +5

We report muon-spin rotation measurements of the pressure dependence of the oxygen-isotope ( $^{16}$ O/ $^{18}$ O) effect on the spin-density wave (SDW) transition in the trilayer Rudd…

Multiple Magnetic Transitions in the Trilayer Nickelate Pr $_{4}$ Ni $_{3}$ O $_{10}$ Revealed by Muon-Spin Rotation

Rustem Khasanov, Thomas J. Hicken, Zurab Guguchia +7

A muon-spin rotation/relaxation ( $μ$ SR) study of the trilayer Ruddlesden--Popper nickelate Pr $_{4}$ Ni $_{3}$ O $_{10}$ was performed at ambient pressure and under hydrostatic pressure up…

cond-mat.mtrl-sci2026

Crystal electric field excitations and spin dynamics in a spin-orbit coupled distorted honeycomb magnet BiErGeO $_{5}$

S. Mohanty, S. Guchhait, S. S. Islam +9

The magnetic properties and crystal electric field (CEF) scheme of BiErGeO $_{5}$ are investigated via magnetization, heat capacity, muon spin relaxation (muSR), and inelastic neutron…

Spin-liquid-like ground states in the double hydroxyperovskites CuSn(OD)6 and MnSn(OD)6 evidenced by μSR spectroscopy

Moumita Naskar, Anton A. Kulbakov, Kaushick K. Parui +9

Double hydroxide perovskites with magnetic transition-metal ions were recently identified as a unique class of materials that combine magnetic frustration with correlated proton di…

Coexistence of long-range magnetic order and dynamical magnetism in the V-based Kagome metals: A combined thermodynamic and $μ$ SR study

Sheetal Devi, Yishui Zhou, Thomas J. Hicken +5

V-based Kagome metals exhibit a unique lattice geometry that can give rise to exotic electronic and magnetic phenomena, making them an ideal platform to study the interplay of topo…

cond-mat.supr-con2025★ 2 cited

Competing Ordering Modes in the Distorted Quantum Kagome Material Clinoatacamite Cu $_{2}$ Cl(OH) $_{3}$

L. Stödter, C. Kastner, H. O. Jeschke +20

We have studied the magnetic properties of clinoatacamite Cu $_{2}$ Cl(OH) $_{3}$ , the parent compound of the quantum spin liquid candidate herbertsmithite and a longstanding puzzle among…

cond-mat.supr-con2025

Magnetism of the alternating monolayer-trilayer phase of La $_{3}$ Ni $_{2}$ O $_{7}$

Rustem Khasanov, Thomas J. Hicken, Hubertus Luetkens +9

Understanding the magnetic ground state of Ruddlesden-Popper nickelates is crucial, as these materials exhibit superconductivity under high pressure and host competing electronic o…

Muon Knight shift as a precise probe of the superconducting symmetry of Sr $_{2}$ RuO $_{4}$

Hisakazu Matsuki, Rustem Khasanov, Jonas A. Krieger +8

Muon spin rotation ( $μ$ SR) measurements of internal magnetic field shifts, known as the muon Knight shift, is used for determining pairing symmetries in superconductors. While this…

Successive magnetic transitions and multiferroicity in layered honeycomb BiCrTeO $_{6}$

Arkadeb Pal, P. H. Lee, J. Khatua +12

Low-dimensional magnetic systems based on honeycomb lattices provide a promising platform for exploring exotic quantum phenomena that emerge from the intricate interplay of competi…

cond-mat.mtrl-sci2025

Inhomogeneous dynamic state in the double trillium lattice antiferromagnet KBaFe $_{2}$ (PO $_{4}$ ) $_{3}$

S. J. Sebastian, S. S. Islam, R. Kolay +11

The three-dimensional (3D) magnet KBaFe $_{2}$ (PO $_{4}$ ) $_{3}$ hosts a double-trillium lattice of Fe $^{3 +}$ (spin, $S = 5/2$ ) ions offering a prototypical platform to study the frustration…

Intrinsic disorder in the candidate quantum spin ice Pr $_{2}$ Zr $_{2}$ O $_{7}$

T. J. Hicken, P. Meadows, D. Prabhakaran +13

Quantum spin liquids with long-range entanglement are of great interest for applications in quantum technology. The quantum spin ice Pr $_{2}$ Zr $_{2}$ O $_{7}$ is a promising example, where…

Single-ion anisotropy driven chiral magnetic order in a spin-1 antiferromagnetic chain

S. Vaidya, S. P. M. Curley, P. Manuel +17

Chirality in magnetic systems gives rise to a wide range of exotic phenomena, yet its influence in $S = 1$ chains remains largely unexplored. Here, we present a comprehensive experim…