E. Kermarrec

collaborators

7 papers

cond-mat.str-el2026

Gapped 1/9 Magnetization Plateau in the Anisotropic Kagome Antiferromagnet Y-kapellasite

Dipranjan Chatterjee, Paul A. Goddard, Ewan R. P. Thomas +11

Fractional magnetization plateaus provide a sensitive probe of many-body spin states in frustrated quantum magnets, yet their microscopic origin in kagome antiferromagnets remains…

cond-mat.str-el2026

Emergence of a Fluctuating Ground State in Y-kapellasite under Pressure

Dipranjan Chatterjee, Petr DoleÅ¾al, Federico Abbruciati +17

Y-kapellasite (Y $_{3}$ Cu $_{9}$ (OH) $_{19}$ Cl $_{8}$ ), which hosts an original anisotropic kagome sublattice, is a promising candidate for studying elusive and complex correlated physics. I…

cond-mat.str-el2026

Proximate Spin Liquid Ground State Arising from Competing Stripy and 120 $^{\circ}$ Spin Correlations in the Triangular Quantum Antiferromagnet ErMgGaO $_{4}$

S. H. -Y. Huang, S. Petit, Bo Yuan +13

ErMgGaO $_{4}$ is a quantum antiferromagnet wherein the pseudospin-1/2 degrees of freedom of Er $^{3 +}$ decorate two-dimensional triangular planes separated by disordered non-magnetic…

cond-mat.str-el2025

Signatures of field-induced multi-color kagome spin liquids in the dipole-octupole pyrochlore $C e_{2} H f_{2} O_{7}$

Edwin Kermarrec, Guanyue Chen, Daniel Lozano-GÃ³mez +11

We report low-temperature magnetization and magnetostriction measurements on the dipole-octupole pyrochlore $C e_{2} H f_{2} O_{7}$ , revealing an unconventional field response for $…

cond-mat.str-el2025

Evidence for spin liquid behavior in the frustrated three-dimensional $S = 1/2$ Heisenberg garnet NaCa $_{2}$ Cu $_{2}$ (VO $_{4}$ ) $_{3}$

Y. Alexanian, R. Kumar, H. Zeroual +10

Three-dimensional quantum spin liquids have remained elusive, hindered by reduced quantum fluctuations from larger lattice connectivity inherent to high-dimensional systems. Here,…

cond-mat.str-el2025

Two-Peak Heat Capacity Accounts for $R ln (2)$ Entropy and Ground State Access in the Dipole-Octupole Pyrochlore Ce $_{2}$ Hf $_{2}$ O $_{7}$

E. M. Smith, A. Fitterman, R. SchÃ¤fer +18

Magnetic heat capacity measurements of a high-quality single crystal of the dipole-octupole pyrochlore Ce $_{2}$ Hf $_{2}$ O $_{7}$ down to a temperature of $T = 0.02$ K are reported. These s…

Gapped 1/9 Magnetization Plateau in the Anisotropic Kagome Antiferromagnet Y-kapellasite

Emergence of a Fluctuating Ground State in Y-kapellasite under Pressure

Proximate Spin Liquid Ground State Arising from Competing Stripy and 120∘ Spin Correlations in the Triangular Quantum Antiferromagnet ErMgGaO4​

Signatures of field-induced multi-color kagome spin liquids in the dipole-octupole pyrochlore Ce2​Hf2​O7​

Evidence for spin liquid behavior in the frustrated three-dimensional S=1/2 Heisenberg garnet NaCa2​Cu2​(VO4​)3​

Two-Peak Heat Capacity Accounts for Rln(2) Entropy and Ground State Access in the Dipole-Octupole Pyrochlore Ce2​Hf2​O7​

Proximate Spin Liquid Ground State Arising from Competing Stripy and 120 $^{\circ}$ Spin Correlations in the Triangular Quantum Antiferromagnet ErMgGaO $_{4}$

Signatures of field-induced multi-color kagome spin liquids in the dipole-octupole pyrochlore $C e_{2} H f_{2} O_{7}$

Evidence for spin liquid behavior in the frustrated three-dimensional $S = 1/2$ Heisenberg garnet NaCa $_{2}$ Cu $_{2}$ (VO $_{4}$ ) $_{3}$

Two-Peak Heat Capacity Accounts for $R ln (2)$ Entropy and Ground State Access in the Dipole-Octupole Pyrochlore Ce $_{2}$ Hf $_{2}$ O $_{7}$