Large magnetic cooling power involving frustrated antiferromagnetic spin-glass state in

S Pakhira, C Mazumdar, R Ranganathan, S Giri… - Physical Review B, 2016 - APS
The ternary intermetallic compounds Gd 2 NiSi 3 and Er 2 NiSi 3 are synthesized in
chemically single phase, which are characterized using dc magnetization, ac magnetic …

Glassy dynamics in a disordered Heisenberg quantum spin system

A Signoles, T Franz, R Ferracini Alves, M Gärttner… - Physical Review X, 2021 - APS
Understanding the dynamics of strongly interacting disordered quantum systems is one of
the most challenging problems in modern science, due to features such as the breakdown of …

Hydrothermally grown hollandite manganese dioxide nanorods: evaluation of supercapattery performance and photocatalytic efficiency

NS George, SR Ali, R Babu, LM Jose, R Jayavel… - Ionics, 2024 - Springer
A practical supercapattery electrode with photocatalytic efficiency is created using tunnel-
structured manganese dioxide nanostructure intercalated with K+ ions∝-K 0.18 MnO 2 …

Magnetic frustration induced large magnetocaloric effect in the absence of long range magnetic order

S Pakhira, C Mazumdar, R Ranganathan, M Avdeev - Scientific Reports, 2017 - nature.com
We have synthesized a new intermetallic compound Ho2Ni0. 95Si2. 95 in a single phase
with a defect crystal structure. The magnetic ground state of this material found to be highly …

Hollandites' crystal chemistry, properties, and processing: A review

P Tumurugoti, S Betal… - International Materials …, 2021 - journals.sagepub.com
This review provides a broad overview of the structural characteristics, compositional
flexibility, and structure–property relationships of hollandite materials. Hollandites have a …

Scrutinizing the role of size reduction on the exchange bias and dynamic magnetic behavior in NiO nanoparticles

N Rinaldi-Montes, P Gorria, D Martínez-Blanco… - …, 2015 - iopscience.iop.org
NiO nanoparticles (NPs) with a nominal size range of 2–10 nm, synthesized via high-
temperature pyrolysis of a nickel nitrate, have been extensively investigated using neutron …

Magnetic phase inhomogeneity in frustrated intermetallic compound Sm2Ni0. 87Si2. 87

S Pakhira, C Mazumdar, R Ranganathan… - Journal of Alloys and …, 2018 - Elsevier
A new ternary compound Sm 2 Ni 0.87 Si 2.87, belonging to intermetallic R 2 TX 3 family
(R= rare-earth, T= transition metals, X= Si, Ge, etc.), could be synthesized in single phase …

Electronic and magnetic properties of -MnO from ab initio calculations

Y Crespo, N Seriani - Physical Review B—Condensed Matter and Materials …, 2013 - APS
α-MnO 2, an active catalyst for oxygen reduction and evolution reactions, has been
investigated using ab initio calculations with different exchange-correlation functionals: the …

Hollandites as a new class of multiferroics

S Liu, AR Akbashev, X Yang, X Liu, W Li, L Zhao, X Li… - Scientific reports, 2014 - nature.com
Discovery of new complex oxides that exhibit both magnetic and ferroelectric properties is of
great interest for the design of functional magnetoelectrics, in which research is driven by the …

Projective symmetry group classification of Abrikosov fermion mean-field ansätze on the square-octagon lattice

A Maity, F Ferrari, R Thomale, S Mandal, Y Iqbal - Physical Review B, 2023 - APS
We perform a projective symmetry group (PSG) classification of symmetric quantum spin
liquids with different gauge groups on the square-octagon lattice. Employing the Abrikosov …