Antiferromagnetic ordering and glassy nature in the sodium superionic conductor

MK Singh, AK Bera, A Kumar, SM Yusuf, RS Dhaka - Physical Review B, 2024 - APS
We investigate the crystal structure and magnetic properties, including spin relaxation and
magnetocaloric effect, in a NASICON-type NaFe 2 PO 4 (SO 4) 2 sample. The Rietveld …

Evidence of discrete energy states and cluster-glass behavior in

A Kumar, B Schwarz, H Ehrenberg, RS Dhaka - Physical Review B, 2020 - APS
We report the detailed analysis of specific heat [CP (T)] and ac susceptibility for magnetically
frustrated Sr 2− x La x CoNbO 6 (x= 0–1) double perovskites to understand low-temperature …

Evolution of complex magnetic phases and metal-insulator transition through Nb substitution in

R Shukla, RS Dhaka - Physical Review B, 2023 - APS
We report the evolution of structural, magnetic, transport, and electronic properties of bulk
polycrystalline La 0.5 Sr 0.5 Co 1− x Nb x O 3 (x= 0.025–0.25) samples. The Rietveld …

Correlation between the exchange bias effect and antisite disorder in

A Kumar, B Schwarz, RS Dhaka - Physical Review B, 2024 - APS
We unravel the effect of La substitution and hence antisite disorders on the exchange bias
(EB) mechanism in Sr 2− x La x CoNbO 6 (x= 0, 0.2) double-perovskite samples using the …

Sol-gel synthesis and Opto-electrical properties study of double perovskite oxide Dy2NiMnO6 thin film

MR Basunia, MS Sheikh, TK Bhowmik, SK Roy, A Dutta… - Thin Solid Films, 2023 - Elsevier
Thin film of double perovskite oxide Dy 2 NiMnO 6 (DNMO) has been synthesised by the
simple and cost-effective chemical solution deposition technique. The room temperature X …

[HTML][HTML] Effect of the growth orientation on the physical properties of Sr2CoNbO6 thin films

A Kumar, R Meena, M Miryala, K Ueno… - Journal of Vacuum …, 2023 - pubs.aip.org
We study the effect of the growth orientation on the structural, electronic, and hence transport
properties of Sr 2 CoNbO 6 thin films grown on the orthorhombic NGO (100) and cubic MgO …

Crystallography at non-ambient conditions and physical properties of the synthesized double perovskites, Sr 2 (Co 1− x Fe x) TeO 6

A Zaraq, B Orayech, JM Igartua, A El Bouari… - Dalton …, 2023 - pubs.rsc.org
Polycrystalline double perovskite-type Sr2 (Co1− xFex) TeO6 with various stoichiometric
compositions (x= 0, 0.25, 0.5, 0.75, and 1) were synthesized by solid-state reactions in air …

Impact of dysprosium doping on structural, dielectric and magnetic characteristics of bismuth based double perovskites

M Mahapatra, DK Pati, M Priyadarsini, BK Sahu… - Applied Physics A, 2025 - Springer
Abstract Dysprosium (Dy) doped BFCO [Bi 2-x Dy x FeCrO 6 (x= 0.2, 0.4, and 0.6)] materials
were synthesized using well-known solid state reaction method. From the X-ray diffraction …

Effects of iron substitution and anti-site disorder on crystal structures, vibrational, optical and magnetic properties of double perovskites Sr 2 (Fe 1− x Ni x) TeO 6

A Zaraq, DH Gregory, B Orayech, JM Igartua… - Dalton …, 2022 - pubs.rsc.org
The double-perovskite series, Sr2 (Fe1− xNix) TeO6 (x= 0, 0.25, 0.50, 0.75, and 1) has been
synthesized in polycrystalline form by solid-state reaction at 1300 K in air. Their crystal …

Correlation between the exchange bias effect and antisite disorders in SrLaCoNbO

A Kumar, B Schwarz, RS Dhaka - arXiv preprint arXiv:2310.04031, 2023 - arxiv.org
We unravel the effect of La substitution and hence antisite disorders on the exchange bias
(EB) mechanism in Sr $ _ {2-x} $ La $ _x $ CoNbO $ _6 $($ x= $0, 0.2) double perovskite …