activity
20202026
most citedTuning the magnetic properties of the spin-split antiferromagnet MnTe through pressure

10 citations · 39 across the 13 of their papers we have counts for

collaborators

13 papers

cond-mat.mtrl-sci2026

Molecular spin qubits in a van der Waals bottle

Anna Champ, Eleanor Mackintosh, André Koch Liston +22

Advancing quantum information technologies requires qubits whose coherence can be precisely engineered. Among the qubit platforms in development, molecular spin qubits (MSQs) stand…

cond-mat.mtrl-sci2025★ 7 cited

Constraints on magnetism and correlations in RuO from lattice dynamics and Mössbauer spectroscopy

George Yumnam, Parul R. Raghuvanshi, John D. Budai +13

We provide experimental evidence for the absence of a magnetic moment in bulk RuO, a candidate altermagnetic material, by using a combination of Mössbauer spectroscopy, nuclear…

cond-mat.mtrl-sci2025★ 10 cited

Tuning the magnetic properties of the spin-split antiferromagnet MnTe through pressure

Edison P. Carlisle, George Yumnam, Stuart Calder +6

The hexagonal antiferromagnet MnTe has attracted enormous interest as a prototypical example of a spin-compensated magnet in which the combination of crystal and spin symmetries li…

cond-mat.mes-hall2023★ 3 cited

Topological monopole's gauge field induced anomalous Hall effect in artificial honeycomb lattice

J. Guo, V. Dugaev, A. Ernst +3

Vortex magnetic structure in artificial honeycomb lattice provides a unique platform to explore emergent properties due to the additional Berry phase curvature imparted by chiral m…

cond-mat.mes-hall2022

Field and temperature tuning of magnetic diode in permalloy honeycomb lattice

George Yumnam, Moudip Nandi, Pousali Ghosh +4

The observation of magnetic diode behavior with ultra-low forward voltage of 5 mV renders new venue for energetically efficient spintronic device research in the unconventional sys…

cond-mat.mes-hall2021

Mechanism of magnetic diode in artificial honeycomb lattice

George Yumnam, Jiasen Guo, Yiyao Chen +8

Spin diode is important prerequisite to practical manifestation of spin electronics. Yet, a functioning magnetic diode at room temperature is still illusive. Here, we reveal diode-…

cond-mat.mes-hall2021

Various facets of magnetic charge correlation: Micromagnetic and distorted waveBorn approximation simulations study

George Yumnam, Jiasen Guo, Deepak K. Singh

The emergent concept of magnetic charge quasi-particle provides a new realm to study the evolution of magnetic properties in two-dimensional artificially frustrated magnets. We rep…

cond-mat.mes-hall2021★ 2 cited

Magnetic charge's relaxation propelled electricity in two-dimensional magnetic honeycomb lattice

Yiyao Chen, George Yumnam, Jiasen Guo +4

Emerging new concepts, such as magnetic charge dynamics in two-dimensional magnetic material, can provide novel mechanism for spin based electrical transport at macroscopic length.…

cond-mat.mes-hall2021★ 4 cited

Quantum disordered state of magnetic charges in nanoengineered honeycomb lattice

George Yumnam, Yiyao Chen, Jiasen Guo +3

A quantum magnetic state due to magnetic charges is never observed, even though they are treated as quantum mechanical variable in theoretical calculations. Here, we demonstrate th…

cond-mat.mes-hall2020★ 1 cited

Local spin ice order induced planar Hall effect in Nd-Sn artificial honeycomb lattice

J. Guo, G. Yumnam, A. Dahal +3

Geometrically frustrated materials, such as spin ice or kagome lattice, are known to exhibit exotic Hall effect phenomena due to spin chirality. We explore Hall effect mechanism in…

cond-mat.str-el2020★ 1 cited

Magnetic order and instability in newly synthesized CoSeAs marcasite

Y. Chen, G. Yumnam, A. Dahal +4

Marcasite class of compounds provide facile platform to explore novel phenomena of fundamental and technological importance, such as unconventional superconductivity or high perfor…

cond-mat.mtrl-sci2020★ 1 cited

Nonconventional magnetic phenomena in neodymium thin film

G. Yumnam, J. Guo, Y. Chen +2

Neodymium is a remarkable active component in numerous magnetic alloys that are used in various applications. However, the application of bare neodymium thin film is limited due to…

cond-mat.mtrl-sci2020★ 10 cited

Improving the Optical and Thermoelectric Properties of Cs2InAgCl6 with Substitutional Doping: A DFT Insight

K. C. Bhamu, Enamul Haque, C. S. Praveen +4

New generation Indium based lead-free Cs2InAgCl6 is a promising halide material in photovoltaic applications due to its good air stability and non-toxic behavior. But its wide band…