43 citations · 142 across the 16 of their papers we have counts for
16 papers
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-…
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…
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…
Spin correlation in trigonal EuMnAs
A. Dahal, Yiyao Chen, T. Heitmann +3
The trigonal structure of EuMnAs is an anomaly in the tetragonal 122-type pnictide family. We report detailed investigation of the underlying magnetic correlations in s…
Quantum continuum fluctuations in glassy perovskite Ca(CoRu)O
Yiyao Chen, A. Dahal, J. Rodriguez-Rivera +6
The quantum spin continuum and classical spin freezing, associated with a glassy state, represent two opposite extremes of a correlated electronic material. Here, we report the coe…
Quantum Magnetic Properties in Perovskite with Anderson Localized Artificial Spin-1/2
J. Gunasekera, A. Dahal, Y. Chen +7
Quantum magnetic properties in a geometrically frustrated lattice of spin-1/2 magnet, such as quantum spin liquid or solid and the associated spin fractionalization, are considered…
Temperature Dependent Magnetism in Artificial Honeycomb Lattice of Connected Elements
B. Summers, L. Debeer-Schmitt, A. Dahal +4
Artificial magnetic honeycomb lattices are expected to exhibit a broad and tunable range of novel magnetic phenomena that would be difficult to achieve in natural materials, such a…
Scaling of nonlinear susceptibilities in artificial permalloy honeycomb lattice
A. Dahal, Y. Chen, B. Summers +1
Two-dimensional artificial magnetic honeycomb lattice is predicted to manifest thermodynamic phase transition to the spin solid order ground state at low temperature. Nonlinear sus…
Fractional electrical dimensionality in the spin solid phase of artificial honeycomb lattice
A. Dahal, B. Summers, D. K. Singh
Two-dimensional artificial magnetic honeycomb lattice is at the forefront of research on unconventional magnetic materials. Among the many emergent magnetic phases that are predict…
New Description of Evolution of Magnetic Phases in Artificial Honeycomb Lattice
B. Summers, Y. Chen, A. Dahal +1
Artificial magnetic honeycomb lattice provides a two-dimensional archetypal system to explore novel phenomena of geometrically frustrated magnets. According to theoretical reports,…
Spin Solid versus Magnetic Charge Ordered State in Artificial Honeycomb Lattice of Connected Elements
A. Glavic, B. Summers, A. Dahal +5
The nature of magnetic correlation at low temperature in two-dimensional artificial magnetic honeycomb lattice is a strongly debated issue. While theoretical researches suggest tha…
Magnetic diode at = 300 K
B. Summers, A. Dahal, P. Kampschroeder +2
We report the finding of unidirectional electronic properties, analogous to a semiconductor diode, in two-dimensional artificial permalloy honeycomb lattice of ultra-small bond, wi…
Metallic Nickel Silicides: Experiments and Theory for NiSi and First Principles Calculations for Other Phases
Ashutosh Dahal, Jagath Gunasekera, Leland Harringer +2
We report detailed experimental investigation of the transport and magnetic properties of orthorhombic NiSi along with first principles studies of this phase and related nickel sil…
Electronic nature of the lock-in magnetic transition in CeXAl4Si2
J. Gunasekera, L. Harriger, A. Dahal +6
We have investigated the underlying magnetism in newly discovered single crystal Kondo lattices CeXAl4Si2, where X = Rh, Ir. We show that the compound undergoes an incommensurate-t…
Magnetic fluctuations driven insulator-to-metal transition in Ca(IrRu)O
J. Gunasekera, L. Harriger, A. Dahal +3
Magnetic fluctuations in transition metal oxides are a subject of intensive research because of the key role they are expected to play in the transition from the Mott insulator to…
Quasi-local critical nature of cooperative paramagnetic fluctuations in CaRuO metal
J. Gunasekera, L. Harriger, T. Heitmann +2
We report new observation of cooperative paramagnetic fluctuations of Ru spins that coexist with the non-Fermi liquid state in CaRuO perovskite below T 22 K.…