R. S. Manna

activity

20092025

most citedLattice effects and entropy release at the low-temperature phase transition in the spin-liquid candidate

κ

-(BEDT-TTF)

_{2}

_{2}

(CN)

_{3}

113 citations · 506 across the 20 of their papers we have counts for

collaborators

20 papers

cond-mat.mtrl-sci2025★ 1 cited

Tuning Magnetic and Electronic Properties of Double Perovskite La $_{2}$ CoIr $_{1 - x}$ Ti $_{x}$ O $_{6}$

Sromona Nandi, Vineeta Yadav, Sheetal +5

The La $_{2}$ CoIr $_{1 - x}$ Ti $_{x}$ O $_{6}$ double perovskite series serves as an effective platform for investigating the evolution of magnetic and electronic properties as a function of ch…

cond-mat.str-el2023★ 9 cited

Pressure-Driven Transitions in La2CoTiO6: Antiferromagnetic Insulator to Nonmagnetic Metal via Antiferromagnetic Metal in a Double Perovskite Oxide

Sromona Nandi, Subhadip Pradhan, Ashis K. Nandy +1

In double perovskite oxides (A $_{2}$ BB $^{'}$ O $_{6}$ ), magnetism often arises from diluted magnetic lattices, created by combining a perovskite structure with localized 3 $d$ magnetic…

cond-mat.str-el2021

Pressure-induced dimerization and collapse of antiferromagnetism in the Kitaev material $α$ -Li $_{2}$ IrO $_{3}$

Bin Shen, Franziska Breitner, Danil Prishchenko +5

We present magnetization measurements carried out on polycrystalline and single-crystalline samples of $α$ -Li $_{2}$ IrO $_{3}$ under hydrostatic pressures up to 2 GPa and establish the t…

cond-mat.str-el2020★ 14 cited

Neutron Diffraction Evidence for Local Spin Canting, Weak Jahn-Teller Distortion, and Magnetic Compensation in Ti $_{1 - x}$ Mn $_{x}$ Co $_{2}$ O $_{4}$ Spinel

P. Pramanik, D. C. Joshi, M. Reehuis +5

A systematic study using neutron diffraction and magnetic susceptibility are reported on Mn substituted ferrimagnetic inverse spinel Ti $_{1 - x}$ Mn $_{x}$ Co $_{2}$ O $_{4}$ in the temperatur…

cond-mat.str-el2018★ 5 cited

Relaxation dynamics in the one-dimensional organic charge-transfer salt δ-(EDT-TTF-CONMe $_{2}$ ) $_{2}$ Br

J. K. H. Fischer, P. Lunkenheimer, C. Leva +6

A detailed investigation of the charge-ordered charge-transfer salt δ-(EDT-TTF-CONMe $_{2}$ ) $_{2}$ Br by thermal-expansion measurements and dielectric spectroscopy reveals three dyna…

cond-mat.str-el2018★ 68 cited

Breakdown of magnetic order in the pressurized Kitaev iridate $β$ -Li $_{2}$ IrO $_{3}$

M. Majumder, R. S. Manna, G. Simutis +14

Temperature-pressure phase diagram of the Kitaev hyperhoneycomb iridate $β$ -Li $_{2}$ IrO $_{3}$ is explored using magnetization, thermal expansion, magnetostriction, and muon spin rotati…

cond-mat.str-el2017★ 9 cited

Ferromagnetism or slow paramagnetic relaxation in Fe-doped Li $_{3}$ N?

M. Fix, A. Jesche, S. G. Jantz +6

We report on isothermal magnetization, Mössbauer spectroscopy, and magnetostriction as well as temperature-dependent alternating-current (ac) susceptibility, specific heat, and the…

cond-mat.str-el2017★ 16 cited

Low-temperature lattice effects in the spin-liquid candidate $κ$ -(BEDT-TTF) $_{2}$ Cu $_{2}$ (CN) $_{3}$

Rudra Sekhar Manna, Steffi Hartmann, Elena Gati +3

The quasi-two-dimensional organic charge-transfer salt $κ$ -(BEDT-TTF) $_{2}$ Cu $_{2}$ (CN) $_{3}$ is one of the prime candidates for a quantum spin-liquid due the strong spin frustration of…

cond-mat.str-el2017★ 10 cited

The collapsed tetragonal phase as a strongly covalent and fully nonmagnetic state: persistent magnetism with interlayer As-As bond formation in Rh-doped Ca $_{0.8}$ Sr $_{0.2}$ Fe $_{2}$ As $_{2}$

K. Zhao, J. K. Glasbrenner, H. Gretarsson +10

A well-known feature of CaFe $_{2}$ As $_{2}$ -based superconductors is the pressure-induced collapsed tetragonal phase that is commonly ascribed to the formation of an interlayer As-A…

cond-mat.str-el2015★ 7 cited

Reversible Tuning of the Collapsed Tetragonal Phase Transition in CaFe2As2 by Separate Control of Chemical Pressure and Electron Doping

K. Zhao, C. Stingl, R. S. Manna +2

Single crystals of Ca(Fe1-xRux)2As2 (0<x<0.065) and Ca1-yLay(Fe0.973Ru0.027)2As2 (0<y<0.2) have been synthesized and studied with respect to their structural, electronic and magnet…

cond-mat.str-el2014★ 14 cited

Low-temperature structural investigations of the frustrated quantum antiferromagnets Cs2CuCl(4-x)Br(x)

Natalija van Well, Kateryna Foyevtsova, Saskia Gottlieb-Schoenmeyer +9

Powder X-ray diffraction (PXRD) and single-crystal neutron scattering were used to study in detail the structural properties of the Cs2CuCl(4-x)Br(x) series, good realizations of l…

cond-mat.str-el2014★ 86 cited

First-order structural transition in the multiferroic perovskite-like formate [(CH3)2NH2][Mn(HCOO)3]

M. Sanchez-Andujar, L. C. Gomez-Aguirre, B. Pato Doldan +9

In this work we explore the overall structural behaviour of the [(CH3)2NH2][Mn(HCOO)3] multiferroic compound across the temperature range where its ferroelectric transition takes p…

cond-mat.str-el2014★ 33 cited

Lattice strain accompanying the colossal magnetoresistance effect in EuB $_{6}$

Rudra Sekhar Manna, Pintu Das, Mariano de Souza +4

The coupling of magnetic and electronic degrees of freedom to the crystal lattice in the ferromagnetic semimetal EuB $_{6}$ , which exhibits a complex ferromagnetic order and a colossa…

cond-mat.str-el2014★ 19 cited

Magneto-elastic couplings in the distorted diamond-chain compound azurite

Pham Thanh Cong, Bernd Wolf, Rudra Sekhar Manna +4

We present results of ultrasonic measurements on a single crystal of the distorted diamond-chain compound azurite Cu $_{3}$ (CO $_{3}$ ) $_{2}$ (OH) $_{2}$ . Pronounced elastic anomalies are obser…

cond-mat.str-el2013★ 8 cited

Lattice effects in the quasi-two-dimensional valence-bond-solid Mott insulator EtMe $_{3}$ P[Pd(dmit) $_{2}$ ] $_{2}$

Rudra Sekhar Manna, Mariano de Souza, Reizo Kato +1

The organic charge-transfer salt EtMe $_{3}$ P[Pd(dmit) $_{2}$ ] $_{2}$ is a quasi-two-dimensional Mott insulator with localized spins $S$ = 1/2 residing on a distorted triangular lattice. He…

cond-mat.str-el2012★ 2 cited

Critical Phenomena at the Antiferromagnetic Phase Transition of Azurite

P. T. Cong, B. Wolf, R. S. Manna +3

We report on high-resolution acoustic, specific-heat and thermal expansion measurements in the vicinity of the antiferromagnetic phase transition at T_N = 1.88 K on a high-quality…

physics.ins-det2012★ 28 cited

High-resolution thermal expansion measurements under Helium-gas pressure

Rudra Sekhar Manna, B. Wolf, M. Souza +1

We report on the realization of a capacitive dilatometer, designed for high-resolution measurements of length changes of a material for temperatures 1.4 K $\leq T \leq$ 300 K and h…

cond-mat.str-el2012★ 2 cited

Field-induced length changes in the spin-liquid candidate $κ$ -(BEDT-TTF) $_{2}$ Cu $_{2}$ (CN) $_{3}$

Rudra Sekhar Manna, Mariano de Souza, John A. Schlueter +1

Measurements of the coefficient of thermal expansion on the spin-liquid candidate $κ$ -(BEDT-TTF) $_{2}$ Cu $_{2}$ (CN) $_{3}$ have revealed distinct and strongly anisotropic lattice effects a…

cond-mat.str-el2011★ 62 cited

Temperature dependence of structural and electronic properties of the spin-liquid candidate kappa-(BEDT-TTF)2Cu2(CN)3

Harald O. Jeschke, Mariano de Souza, Roser Valenti +3

We investigate the effect that the temperature dependence of the crystal structure of a two dimensional organic charge-transfer salt has on the low-energy Hamiltonian representatio…

cond-mat.str-el2009★ 113 cited

Lattice effects and entropy release at the low-temperature phase transition in the spin-liquid candidate $κ$ -(BEDT-TTF) $_{2}$ Cu $_{2}$ (CN) $_{3}$

R. S. Manna, M. de Souza, A. Bruehl +2

The spin-liquid candidate $κ$ -(BEDT-TTF) $_{2}$ Cu $_{2}$ (CN) $_{3}$ has been studied by measuring the uniaxial expansion coefficients $α_{i}$ , the specific heat, and magnetic suscepti…

Tuning Magnetic and Electronic Properties of Double Perovskite La2​CoIr1−x​Tix​O6​

Pressure-Driven Transitions in La2CoTiO6: Antiferromagnetic Insulator to Nonmagnetic Metal via Antiferromagnetic Metal in a Double Perovskite Oxide

Pressure-induced dimerization and collapse of antiferromagnetism in the Kitaev material α-Li2​IrO3​

Neutron Diffraction Evidence for Local Spin Canting, Weak Jahn-Teller Distortion, and Magnetic Compensation in Ti1−x​Mnx​Co2​O4​ Spinel

Relaxation dynamics in the one-dimensional organic charge-transfer salt δ-(EDT-TTF-CONMe2​)2​Br

Breakdown of magnetic order in the pressurized Kitaev iridate β-Li2​IrO3​

Ferromagnetism or slow paramagnetic relaxation in Fe-doped Li3​N?

Low-temperature lattice effects in the spin-liquid candidate κ-(BEDT-TTF)2​Cu2​(CN)3​

The collapsed tetragonal phase as a strongly covalent and fully nonmagnetic state: persistent magnetism with interlayer As-As bond formation in Rh-doped Ca0.8​Sr0.2​Fe2​As2​