activity
20152021
most citedSwitchable X-ray Orbital Angular Momentum from an Artificial Spin Ice

34 citations · 98 across the 8 of their papers we have counts for

collaborators

8 papers

cond-mat.mes-hall2021★ 6 cited

Angular-Dependent Dynamic Response and Magnetization Reversal in Fibonacci-Distorted, Kagome Artificial Spin Ice

Ali Frotanpour, Justin Woods, Barry Farmer +2

We have measured the angular dependence of ferromagnetic resonance (FMR) spectra for Fibonacci-distorted, Kagome artificial spin ice (ASI). The number of strong modes in the FMR sp…

cond-mat.mes-hall2020★ 15 cited

Magnetization Dynamics of Fibonacci-Distorted Kagome Artificial Spin Ice

Ali Frotanpour, Justin Woods, Barry Farmer +4

We present results of ferromagnetic resonance (FMR) experiments and micromagnetic simulations for a distorted, 2D Kagome artificial spin ice. The distorted structure is created by…

cond-mat.mes-hall2020★ 34 cited

Switchable X-ray Orbital Angular Momentum from an Artificial Spin Ice

Justin Woods, Xiaoqian M Chen, Rajesh V. Chopdekar +12

Artificial spin ices (ASI) have been widely investigated as magnetic metamaterials with exotic properties governed by their geometries. In parallel, interest in X-ray photon orbita…

cond-mat.mes-hall2020★ 11 cited

Vertex Dependent Dynamic Response of a Connected Kagome Artificial Spin Ice

Ali Frotanpour, Justin Woods, Barry Farmer +2

We present the dynamic response of a connected Kagome artificial spin ice with emphasis on the effect of the vertex magnetization configuration on the mode characteristics. We use…

cond-mat.mes-hall2018★ 31 cited

Spontaneous Magnetic Superdomain Wall Fluctuations in an Artificial Antiferromagnet

X. M. Chen, B. Farmer, J. S. Woods +8

Collective dynamics often play an important role in determining the stability of ground states for both naturally occurring materials and metamaterials. We studied the temperature…

cond-mat.mes-hall2017★ 1 cited

Textured heterogeneity in square artificial spin ice

J. C. T Lee, S. K. Mishra, V. S. Bhat +8

We report evidence of spontaneous formation of a heterogeneous network of superdomains in two-dimensional square artificial spin ice nanostructures in externally applied magnetic f…

cond-mat.str-el2016

Magnetically Charged Superdomain Walls In Square Artificial Spin Ice

J. C. T Lee, S. K. Mishra, V. S. Bhat +8

We report direct evidence that magnetically charged superdomain walls form spontaneously in two dimensional square artificial spin ice nanostructures in response to external magnet…

cond-mat.mes-hall2015

Direct Imaging of Complex Spin Ice Behavior and Ordered Sublattices in Artificial Ferromagnetic Quasicrystals

V. S. Bhat, A. Balk, B. Farmer +5

We have imaged magnetization textures of permalloy films patterned into Penrose P2 tilings (P2T) using scanning electron microscopy with polarization analysis (SEMPA). P2T film seg…