R. Sarkar

activity

20142026

most citedSuperconductivity with broken time reversal symmetry in ion irradiated Ba

_{0.27}

_{0.73}

_{2}

_{2}

single crystals

64 citations · 243 across the 13 of their papers we have counts for

collaborators

Showing cond-mat.str-elShow all

8 papers · 1 filter

cond-mat.str-el2026

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…

cond-mat.str-el2020★ 28 cited

Long-range magnetic order in the $S ~ = 1/2$ triangular lattice antiferromagnet KCeS $_{2}$

G. Bastien, B. Rubrecht, E. Haeussler +19

Recently, several putative quantum spin liquid (QSL) states were discovered in $S ~ = 1/2$ rare-earth based triangular-lattice antiferromagnets (TLAF) with the delafossite s…

cond-mat.str-el2019★ 4 cited

Impact of disorder on dynamics and ordering in the honeycomb lattice iridate Na $_{2}$ IrO $_{3}$

R. Sarkar, Z. Mei, A. Ruiz +5

Kitaev's honeycomb spin-liquid model and its proposed realization in materials such as $α$ -RuCl $_{3}$ , Li $_{2}$ IrO $_{3}$ and Na $_{2}$ IrO $_{3}$ continue to present open questions about how th…

cond-mat.str-el2018★ 7 cited

Magnetic interactions and spin dynamics in the bond-disordered pyrochlore fluoride NaCaCo $_{2}$ F $_{7}$

J. Zeisner, S. A. Bräuninger, L. Opherden +9

We report high-frequency/high-field electron spin resonance (ESR) and high-field magnetization studies on single crystals of the bond-disordered pyrochlore NaCaCo $_{2}$ F $_{7}$ . Frequen…

cond-mat.str-el2017★ 17 cited

Local nematic susceptibility in stressed BaFe $_{2}$ As $_{2}$ from NMR electric field gradient measurements

T. Kissikov, R. Sarkar, M. Lawson +10

The electric field gradient (EFG) tensor at the $^{75}$ As site couples to the orbital occupations of the As p-orbitals and is a sensitive probe of local nematicity in BaFe $_{2}$ As$_2…

cond-mat.str-el2017★ 57 cited

Uniaxial strain control of spin-polarization in multicomponent nematic order of BaFe $_{2}$ As $_{2}$

T. Kissikov, R. Sarkar, M. Lawson +8

The iron-based high temperature superconductors exhibit a rich phase diagram reflecting a complex interplay between spin, lattice, and orbital degrees of freedom [1-4]. The nematic…

cond-mat.str-el2017★ 9 cited

Magnetic order and spin dynamics across a ferromagnetic quantum critical point: $μ$ SR investigations of YbNi $_{4}$ (P $_{1 - x}$ As $_{x}$ ) $_{2}$

R. Sarkar, J. Spehling, P. Materne +5

In the quasi-1D heavy-fermion system YbNi $_{4}$ (P $_{1 - x}$ As $_{x}$ ) $_{2}$ the presence of a ferromagnetic (FM) quantum critical point (QCP) at $x_{c}$ $\approx 0.1$ with unconventional quan…

cond-mat.str-el2016★ 20 cited

Spin freezing in the disordered pyrochlore magnet NaCaCo $_{2}$ F $_{7}$ : NMR studies and Monte-Carlo simulations

R. Sarkar, J. W. Krizan, F. Brückner +5

We present results of $^{23}$ Na and $^{19}$ F nuclear magnetic resonance (NMR) measurements on NaCaCo $_{2}$ F $_{7}$ , a frustrated pyrochlore magnet with a Curie-Weiss temperature, $T_{cw…

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

Long-range magnetic order in the S~=1/2 triangular lattice antiferromagnet KCeS2​

Impact of disorder on dynamics and ordering in the honeycomb lattice iridate Na2​IrO3​

Magnetic interactions and spin dynamics in the bond-disordered pyrochlore fluoride NaCaCo2​F7​

Local nematic susceptibility in stressed BaFe2​As2​ from NMR electric field gradient measurements

Uniaxial strain control of spin-polarization in multicomponent nematic order of BaFe2​As2​

Magnetic order and spin dynamics across a ferromagnetic quantum critical point: μSR investigations of YbNi4​(P1−x​Asx​)2​

Spin freezing in the disordered pyrochlore magnet NaCaCo2​F7​: NMR studies and Monte-Carlo simulations