55 citations · 246 across the 18 of their papers we have counts for
19 papers
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…
Role of crystal field ground state in the classical spin-liquid behavior of a quasi-one dimensional spin-chain system Sr3NiPtO6
V. K. Anand, D. T. Adroja, S. Rayaprol +5
The spin-chain compound Sr3NiPtO6 is known to have a nonmagnetic ground state. We have investigated the nature of ground state of Sr3NiPtO6 using magnetic susceptibility , he…
Dynamics of Hot QCD Matter -- Current Status and Developments
Santosh K. Das, Prabhakar Palni, Jhuma Sannigrahi +64
The discovery and characterization of hot and dense QCD matter, known as Quark Gluon Plasma (QGP), remains the most international collaborative effort and synergy between theorists…
Nodeless time-reversal symmetry breaking in the centrosymmetric superconductor ScCoSi probed by muon-spin spectroscopy
A. Bhattacharyya, M. R. Lees, K. Panda +9
We investigate the superconducting properties of ScCoSi using low-temperature resistivity, magnetization, heat capacity, and muon-spin rotation and relaxation ($…
The interplay between structural, magnetic and electronic states in the pyrochlore iridate Eu2Ir2O7
Manjil Das, Sayantika Bhowal, Jhuma Sannigrahi +8
We address the concomitant metal-insulator transition (MIT) and antiferromagnetic ordering in the novel pyrochlore iridate Eu2Ir2O7 by combining x-ray absorption spectroscopy, x-ra…
A ferrotoroidic candidate with well-separated spin chains
Jun Zhang, Xiancheng Wang, Long Zhou +22
The search of novel quasi one-dimensional (1D) materials is one of the important aspects in the field of material science. Toroidal moment, the order parameter of ferrotoroidic ord…
Short range magnetic correlation, metamagnetism and coincident dielectric anomaly in NaCoTeO
Rafikul Ali Saha, Jhuma Sannigrahi, Ilaria Carlomagno +5
Here we explore the structural, magnetic and dielectric properties of Co based compound NaCoTeO as a candidate of short-range magnetic correlations driven d…
A crossover from Kondo semiconductor to metallic antiferromagnet with -electron doping in CeFeAl
Rajesh Tripathi, D. T. Adroja, M. R. Lees +12
We report a systematic study of the -electron-doped system Ce(FeIr)Al (). With increasing , the orthorhombic ~axis decreases sl…
Robustness of helical magnetic structure under external pressure in Fe-doped MnNiGe alloy
S. C. Das, J. Sannigrahi, K. Mandal +5
We have investigated the detailed magnetic structure of a Fe-doped MnNiGe alloy of nominal composition MnNiFeGe by ambient and high pressure (6 kbar) neutron powd…
Commensurate to incommensurate magnetic phase transition in Honeycomb-lattice pyrovanadate Mn2V2O7
J. Sannigrahi, D. T. Adroja, R. Perry +3
We have synthesized single crystalline sample of MnVO using floating zone technique and investigated the ground state using magnetic susceptibility, heat capacity and n…
Magnetic frustration and spontaneous rotational symmetry breaking in PdCrO2
Dan Sun, Dmitry Sokolov, Jack Bartlett +8
In the triangular layered magnet PdCrO2 the intralayer magnetic interactions are strong, however the lattice structure frustrates interlayer interactions. In spite of this, long-ra…
First order valence transition: Neutron diffraction, inelastic neutron scattering and x-ray absorption investigations on the double perovskite Ba2PrRu0.9Ir0.1O6
J. Sannigrahi, D. T. Adroja, C. Ritter +8
Bulk studies have revealed a first-order valence phase transition in BaPrRuIrO (), which is absent in the parent compounds with (Pr…
Magnetic states of Ni-Mn-Sn based shape memory alloy: a combined muon spin relaxation and neutron diffraction study
J. Sannigrahi, S. Pramanick, S. Chatterjee +5
The fascinating multiple magnetic states observed in the Ni-Mn-Sn based metamagnetic shape memory alloy are addressed through a combined muon spin relaxation (muSR) and neutron pow…
Magnetoelastic coupling and ferromagnetic-type in-gap spin excitations in multiferroic -CuVO
L. Wang, J. Werner, A. Ottmann +6
We investigate magnetoelectric coupling and low-energy magnetic excitations in multiferroic -CuVO by detailed thermal expansion, magnetostriction, specific heat and…
Observation of non-Fermi liquid behavior in hole doped Eu2Ir2O7
A. Banerjee, J. Sannigrahi, S. Giri +1
The Weyl semimetallic compound Eu2Ir2O7 along with its hole doped derivatives (which is achieved by substituting trivalent Eu by divalent Sr) are investigated through transport, ma…
Spin wave excitations in the pyrovanadate alpha-Cu2V2O7
A. Banerjee, J. Sannigrahi, S. Bhowal +5
The pyrovanadate alpha-Cu2V2O7 belongs to the orthorhombic (Fdd2) class of crystals with noncentrosymmetric crystal structure. Recently, the compound has been identified to be a ma…
Exchange striction induced giant ferroelectric polarization in copper based multiferroic material -CuVO
J. Sannigrahi, S. Bhowal, S. Giri +2
We report -CuVO to be an improper multiferroic with the simultaneous development of electric polarization and magnetization below = 35 K. The observed spontane…
Two dimensional magnetic correlation in the unconventional corrugated layered oxides (Ba,Sr)MnO
J. Sannigrahi, S. Chattopadhyay, A. Bhattacharyya +4
Both BaMnO and SrMnO crystallize in an orthorhombic crystal structure consisting of corrugated layers containing MnO polydedra. The thermal…
Magnetic and electric properties of CaMn7O12 based multiferroic compounds: effect of electron doping
J. Sannigrahi, S. Chattopadhyay, D. Dutta +2
The mixed-valent multiferroic compound CaMn7O12 is studied for its magnetic and electric properties. The compound undergoes magnetic ordering below 90 K with a helimagnetic structu…