Experimental observation of spin glass state in the highly disordered quaternary Heusler alloy FeRuMnGa

S Gupta, S Chakraborty, S Pakhira, A Biswas, Y Mudryk… - Physical Review B, 2023 - APS
The realization of the spin-glass (SG) state in Heusler alloys is very rare despite the
presence of inherent structural and elemental disorder in those compounds. Although a few …

Spin-gapless semiconducting characteristics and related band topology of quaternary Heusler alloy CoFeMnSn

S Gupta, J Sau, M Kumar, C Mazumdar - Journal of Materials …, 2024 - pubs.rsc.org
In this paper, we report the theoretical investigation and experimental realization of a new
spin-gapless semiconductor (SGSs) compound CoFeMnSn belonging to the family of …

Rare coexistence of disorder-induced Griffiths phase and reentrant spin-glass state in a Heusler alloy Rh2FeAl with high Curie temperature

S Chakraborty, S Gupta, C Mazumdar - Journal of Alloys and Compounds, 2024 - Elsevier
In this work, we report the synthesis of a Heusler alloy Rh 2 FeAl with valence electron count
(VEC) 29 forming in B2-type structural disorder, where Fe atoms are distributed randomly …

Intermetallic compounds with non-metallic properties

MS Likhanov, AV Shevelkov - Russian Chemical Bulletin, 2020 - Springer
In the realm of intermetallic compounds, there is a small group of phases that demonstrate
the properties of non-metals. These are intermetallics formed by elements from different …

Origin of pseudo gap and thermoelectric signatures of semimetallic Ru2TaGa: structural stability from phonon dynamics, mechanical, and thermodynamic predictions

SA Khandy, JD Chai - Journal of Physics and Chemistry of Solids, 2021 - Elsevier
We have studied the origin of the semimetallic pseudo gap and the role of site preference in
the L 2 1-type Heusler compound Ru 2 TaGa. A detailed account of the structural stability …

First‐principles study on structural, electronic, magnetic, elastic, mechanical and thermodynamic properties of Mn2PtCo Heusler alloy

V Srivastava, N Kaur, X Wang… - … Journal of Energy …, 2021 - Wiley Online Library
The structural, electronic, magnetic, mechanical and thermodynamic properties of the
Mn2PtCo Heusler alloy have been investigated in the frame work of density functional theory …

First principles study of the structural, half-metallic ferromagnetism, magnetic, and transport properties of KXO2 (X= Pr, Nd, and Pm) hexagonal oxides

B Tariq, G Murtaza, H Ali, S Razzaq, RMA Khalil… - Solid State …, 2023 - Elsevier
The density functional theory (DFT) studies are made to calculate the electronic, magnetic,
and transport characteristics of potassium lanthanide KXO2 (X= Pr, Nd, and Pm) oxides …

Origin of magnetic ordering in half-Heusler RuMnGa

S Chakraborty, S Gupta, S Pakhira, A Biswas, Y Mudryk… - Physical Review B, 2023 - APS
The half-Heusler alloy RuMnGa having valence electron count (VEC) 18 has recently been
theoretically proposed to exhibit compensated ferrimagnetic (CFiM) character instead of the …

element induced improvement of structural disorder and development of weakly reentrant spin-glass behavior in NiRuMnSn

S Gupta, S Chakraborty, V Bhasin, S Pakhira, A Biswas… - Physical Review B, 2023 - APS
The pursuit of efficient spin polarization in quaternary Heusler alloys with the general
formula XX′ YZ (where X, X′, and Y are transition metals and Z is ap-block element) has …

Investigation of the electronic, magnetic, elastic, thermodynamic and thermoelectric properties of Mn2CoCr Heusler compound: A DFT-based simulation

V Srivastava, N Kaur, R Khenata, SA Dar - Journal of Magnetism and …, 2020 - Elsevier
Heusler compounds have been promising materials for their applications in spintronic,
memory and thermoelectric devices. The Mn 2 CoCr, a full Heusler compound, has been …