activity
20062023
most citedVanadium dioxide as a natural disordered metamaterial: perfect thermal emission and large broadband negative differential thermal emittance

299 citations · 2.5k across the 42 of their papers we have counts for

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Showing cond-mat.str-elShow all

6 papers · 1 filter

cond-mat.str-el2020★ 29 cited

Sudden collapse of magnetic order in oxygen deficient nickelate films

Jiarui Li, Robert J. Green, Zhen Zhang +9

Oxygen vacancies play a crucial role in the control of the electronic, magnetic, ionic, and transport properties of functional oxide perovskites. Rare earth nickelates (RENiO$_{3-x…

cond-mat.str-el2019★ 11 cited

Nanoscale Thermal Imaging of VO via Poole-Frenkel Conduction

Alyson Spitzig, Adam Pivonka, Alex Frenzel +8

We present a method for nanoscale thermal imaging of insulating thin films using atomic force microscopy (AFM), and we demonstrate its utility on VO. We sweep the applied volta…

cond-mat.str-el2014★ 58 cited

Neuromimetic Circuits with Synaptic Devices based on Strongly Correlated Electron Systems

Sieu D. Ha, Jian Shi, Yasmine Meroz +2

Strongly correlated electron systems such as the rare-earth nickelates (RNiO3, R = rare-earth element) can exhibit synapse-like continuous long term potentiation and depression whe…

cond-mat.str-el2014★ 19 cited

Conductivity noise study of the insulator-metal transition and phase co-existence in epitaxial samarium nickelate thin films

Anindita Sahoo, Sieu D. Ha, Shriram Ramanathan +1

Interaction between the lattice and the orbital degrees of freedom not only makes rare-earth nickelates unusually "bad metal", but also introduces a temperature driven insulator-me…

cond-mat.str-el2013★ 185 cited

Origins of bad metal conductivity and the insulator-metal transition in the rare-earth nickelates

R. Jaramillo, Sieu D. Ha, D. M. Silevitch +1

For most metals, increasing temperature (T) or disorder will quicken electron scattering. This hypothesis informs the Drude model of electronic conductivity. However, for so-called…

cond-mat.str-el2012★ 114 cited

Correlated Electron Materials and Field Effect Transistors for Logic: A Review

You Zhou, Shriram Ramanathan

Correlated electron systems are among the centerpieces of modern condensed matter sciences, where many interesting physical phenomena, such as metal-insulator transition and high-T…