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cond-mat.str-el2026
Interplay of Spin Waves, Crystal-Field Excitations, and Phonons in Multiferroic Ba3HoRu2O9 revealed by Inelastic Neutron Scattering, Crystal-Field Analysis, and Machine-Learned Phonon Calculations
Ekta Kushwaha, Sayan Ghosh, Gourab Roy +6
Understanding the microscopic origin of spin-dipole coupling and high-energy excitations in correlated 4d-4f multiferroic oxides is challenging because magnetic, crystal-field, and…
cond-mat.str-el2025
Intriguing Magnetocaloric Effect in Multiferroic Ba3RRu2O9 (R=Ho, Gd, Tb, Nd) with Strong 4d-4f Correlations
Mohit Kumar, Sayan Ghosh, Gourab Roy +6
Here we demonstrate the magnetocaloric effect (MCE) of a 4d-4f correlated system, namely Ba3RRu2O9 (R= Ho, Gd, Tb, Nd). The compound Ba3HoRu2O9 antiferromagnetically orders at 50 K…
cond-mat.str-el2025
Interplay between trimer structure and magnetic ground state in Ba5Ru3O12 probed by Neutron and muSR techniques
E. Kushwaha, S. Ghosh, J. Sannigrahi +8
We report a detailed inelastic neutron scattering (INS) and muon spin relaxation (muSR) investigation of a trimer Ruthenate Ba5Ru3O12 system, which undergoes long-range antiferroma…