A. Ahad

activity

20192022

most citedCoexistence of local structural heterogeneities and long-range ferroelectricity in Pb-free (1-x)Ba(Zr0.2Ti0.8)O3-x(Ba0.7Ca0.3)TiO3 ceramics

33 citations · 33 across the 1 of their papers we have counts for

collaborators

8 papers

cond-mat.mtrl-sci2022★ 33 cited

Coexistence of local structural heterogeneities and long-range ferroelectricity in Pb-free (1-x)Ba(Zr0.2Ti0.8)O3-x(Ba0.7Ca0.3)TiO3 ceramics

Koushik Dey, Abdul Ahad, Kamini Gautam +11

Environmentally benign (1-x)Ba(Ti $_{0.8}$ Zr $_{0.2}$ )O $_{3}$ -x(Ba $_{0.7}$ Ca $_{0.3}$ )TiO $_{3}$ (BZT-BCT) ceramics are promising materials due to their remarkable high piezoresponse [Liu…

cond-mat.mtrl-sci2020

Magnetic correlations in subsystems of the misfit [Ca $_{2}$ CoO $_{3}$ ] $_{0.62}$ [CoO $_{2}$ ] cobaltate

Abdul Ahad, K. Gautam, K. Dey +7

[Ca $_{2}$ CoO $_{3}$ ] $_{0.62}$ [CoO $_{2}$ ], a two dimensional misfit metallic compound, is famous for its rich phases accessed by temperature, $i . e .$ high temperature spin-state transition,…

cond-mat.str-el2020

Origin of the high Seebeck coefficient of the misfit [Ca $_{2}$ CoO $_{3}$ ] $_{0.62}$ [CoO $_{2}$ ] cobaltate from site-specific valency and spin-state determinations

Abdul Ahad, K. Gautam, S. S. Majid +4

Layered misfit cobaltate [Ca $_{2}$ CoO $_{3}$ ] $_{0.62}$ [CoO $_{2}$ ], which emerged as an important thermoelectric material~[A. C. Masset et al. Phys. Rev. B, 62, 166 (2000)], has been explo…

cond-mat.str-el2019

Non thermal isostructural electrically driven insulator-metal transition and electro-strain in layered cobaltate

Abdul Ahad, R. Rawat, F. Rahman +1

We report here a discovery of electrically driven insulator to metal transition (IMT) and concomitant isostructural volume expansion in the layered cobaltates which otherwise do no…

cond-mat.mtrl-sci2019

Magnetic and orbital correlations in multiferroic CaMn $_{7}$ O $_{12}$ probed by x-ray resonant elastic scattering

K. Gautam, S. S. Majid, S. Francoual +6

The quadruple perovskite CaMn $_{7}$ O $_{12}$ is a topical multiferroic, in which the hierarchy of electronic correlations driving structural distortions, modulated magnetism, and orbi…

cond-mat.mtrl-sci2019

Role of the V-V dimerization in insulator-metal transition and optical transmittance of pure and doped VO2 thin films

S. S. Majid, S. R. Sahu, A. Ahad +7

Insulator to metal (IMT) transition (T $_{t}$ $\sim$ 341 K) in the VO2 accompanies transition from an infrared (IR) transparent to IR opaque phase. Tailoring of the IMT and associated…

Coexistence of local structural heterogeneities and long-range ferroelectricity in Pb-free (1-x)Ba(Zr0.2Ti0.8)O3-x(Ba0.7Ca0.3)TiO3 ceramics

Magnetic correlations in subsystems of the misfit [Ca2​CoO3​]0.62​[CoO2​] cobaltate

Origin of the high Seebeck coefficient of the misfit [Ca2​CoO3​]0.62​[CoO2​] cobaltate from site-specific valency and spin-state determinations

Non thermal isostructural electrically driven insulator-metal transition and electro-strain in layered cobaltate

Magnetic and orbital correlations in multiferroic CaMn7​O12​ probed by x-ray resonant elastic scattering

Role of the V-V dimerization in insulator-metal transition and optical transmittance of pure and doped VO2 thin films

Magnetic correlations in subsystems of the misfit [Ca $_{2}$ CoO $_{3}$ ] $_{0.62}$ [CoO $_{2}$ ] cobaltate

Origin of the high Seebeck coefficient of the misfit [Ca $_{2}$ CoO $_{3}$ ] $_{0.62}$ [CoO $_{2}$ ] cobaltate from site-specific valency and spin-state determinations

Magnetic and orbital correlations in multiferroic CaMn $_{7}$ O $_{12}$ probed by x-ray resonant elastic scattering