activity
20062017
most cited-Electron Ferromagnetism in Metal Free Carbon Probed by Soft X-Ray Dichroism

280 citations · 1.2k across the 12 of their papers we have counts for

collaborators

12 papers

cond-mat.mtrl-sci2017★ 126 cited

Three dimensional localization of nanoscale battery reactions using soft X-ray tomography

Young-Sang Yu, Maryam Farmand, Chunjoong Kim +16

Battery function is determined by the efficiency and reversibility of the electrochemical phase transformations at solid electrodes. The microscopic tools available to study the ch…

cond-mat.mtrl-sci2016★ 112 cited

Direct Observation of Localized Radial Oxygen Migration in Functioning Tantalum Oxide Memristors

Suhas Kumar, Catherine E. Graves, John Paul Strachan +6

Oxygen migration in tantalum oxide, a promising next-generation storage material, is studied using in-operando x-ray absorption spectromicroscopy and is used to microphysically des…

cond-mat.str-el2015★ 35 cited

The phase transition in VO2 probed using x-ray, visible and infrared radiations

Suhas Kumar, John Paul Strachan, A. L. David Kilcoyne +5

Vanadium dioxide (VO2) is a model system that has been used to understand closely-occurring multiband electronic (Mott) and structural (Peierls) transitions for over half a century…

cond-mat.mes-hall2015★ 35 cited

Enhanced Non-Adiabaticity in Vortex Cores due to the Emergent Hall Effect

André Bisig, Collins Ashu Akosa, Jung-Hwan Moon +15

We present a combined theoretical and experimental study, investigating the origin of the enhanced non-adiabaticity of magnetic vortex cores. Scanning transmission X-ray microscopy…

cond-mat.mtrl-sci2015★ 28 cited

In-operando synchronous time-multiplexed O K-edge x-ray absorption spectromicroscopy of functioning tantalum oxide memristors

Suhas Kumar, Catherine E. Graves, John Paul Strachan +4

Memristors are receiving keen interest because of their potential varied applications and promising large-scale information storage capabilities. Tantalum oxide is a memristive mat…

astro-ph.EP2011★ 92 cited

Incorporation of a Late-forming Chondrule into Comet Wild 2

R. C. Ogliore, G. R. Huss, K. Nagashima +6

We report the petrology, O isotopic composition, and Al-Mg isotope systematics of a chondrule fragment from the Jupiter-family comet Wild 2, returned to Earth by NASA's Stardust mi…