C. Dhanasekhar

activity

20162025

most citedSwitching from pyroelectric to ferroelectric order in Ni doped CaBaCo4O7

18 citations · 44 across the 10 of their papers we have counts for

collaborators

10 papers

cond-mat.str-el2025★ 1 cited

Coexistence of magnetic and dielectric glassy states in alternating kagome and triangular lattice LuBaCo $_{4}$ O $_{7}$ cobaltite

C. Dhanasekhar, D. Chandrasekhar Kakarla, Archana kumari +10

To date, the alternating kagome and triangular lattice cobaltites, RBaCo $_{4}$ O $_{7}$ (R = Ca, Y, and rare earth elements), have been well studied for their large structural distortion…

cond-mat.str-el2025

Susceptibility anisotropy and absence of ferroelectric order in the Kitaev spin liquid candidate Na $_{2}$ Co $_{2}$ TeO $_{6}$

C. Dhanasekhar, Monika Jawale, Rahul Kumar +6

We report the magnetic, magnetodielectric, and electric polarization properties of single crystals of the Co-based Kitaev Spin Liquid (KSL) candidate Na $_{2}$ Co $_{2}$ TeO $_{6}$ (NCTO). Th…

cond-mat.mtrl-sci2019★ 1 cited

Magnetic Structure and dielectric properties of antiferromagnetic FeCrO3

Rajesh kumar R, C. Dhanasekhar, N. Vijay Prakash Chaudhary +2

We report the enhancement of Néel temperature of Cr2O3 by replacing 50% of Cr by Fe prepared by sol-gel method. The structural analysis by neutron diffraction has revealed that FeC…

cond-mat.mtrl-sci2019★ 2 cited

Magnetic glassy state at low spin state of Co3+ in EuBaCo2O5+δ (δ = 0.47) cobaltite

Archana Kumari, C. Dhanasekhar, Praveen Chaddah +6

The magnetic glassy state is a fascinating phenomenon, which results from the kinetic arrest of the first order magnetic phase transition. Interesting properties, such as metastabl…

cond-mat.str-el2019★ 6 cited

Structural, magnetic and electric polarization properties of geometrically frustrated YBaCo4O7 and DyBaCo4O7 cobaltites

C. Dhanasekhar, A. K Das, A. Das +3

In RBaCo4O7 (R = Ca, Y and Rare earth) cobaltite family, only CaBaCo4O7 shows 3D long range ferrimagnetic and spin driven electric polarization properties. In the present study, we…

cond-mat.str-el2019★ 3 cited

Electron doping induced magnetic glassy state in phase separated YBaCo $_{2}$ O $_{5.5 - δ}$

Archana Kumari, C. Dhanasekhar, A. K. Das

The structural, magnetic and transport properties of the layered RBaCo $_{2}$ O $_{5.5}$ cobaltites are sensitive to the oxygen stoichiometry. In this present study, we report the prese…

cond-mat.str-el2017★ 13 cited

Terahertz frequency magnetoelectric effect in Ni doped CaBaCo $_{4}$ O $_{7}$

Shukai Yu, C. Dhanasekhar, Venimadhav Adyam +8

We present a study of terahertz frequency magnetoelectric effect in ferrimagnetic pyroelectric CaBaCo $_{4}$ O $_{7}$ and its Ni-doped variants. The terahertz absorption spectrum of these…

cond-mat.mtrl-sci2017

Defect induced polarization and dielectic relaxation in Ga $_{2}$ $_{-}$ $_{x}$ Fe $_{x}$ O $_{3}$

Sudipta Mahana, C. Dhanasekhar, A. Venimadhav +1

We report results of the dielectric and pyroelectric measurements on solid solutions of Ga $_{2}$ $_{-}$ $_{x}$ Fe $_{x}$ O $_{3}$ with x = 0.75, 1.0 and 1.25. These systems exhibit dipolar cluster…

cond-mat.mtrl-sci2017★ 18 cited

Switching from pyroelectric to ferroelectric order in Ni doped CaBaCo4O7

C. Dhanasekhar, A. K Das, Ripandeep Singh +4

We report ferroelectric ordering in Ni substituted CaBaCo4O7. Magnetization showed ferrimagnetic transition at 60 K and an additional transition is found ~ 82 K, further, enhanced…

cond-mat.mtrl-sci2016

Low field magnetoelectric effect in Fe substituted Co4Nb2O9

C. Dhanasekhar, S. K. Mishra, R. Rawat +2

Co4Nb2O9 (CNO) having α-Al2O3 crystal structure with Co chains along c-direction shows gigantic magnetoelelctric coupling below antiferromagnetic ordering temperature of 27 K but a…

Coexistence of magnetic and dielectric glassy states in alternating kagome and triangular lattice LuBaCo4​O7​ cobaltite

Susceptibility anisotropy and absence of ferroelectric order in the Kitaev spin liquid candidate Na2​Co2​TeO6​