Nicholas apRoberts-Warren

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The heavy electron Kondo liquid is an emergent state of condensed matter that displays universal behavior independent of material details. Properties of the heavy electron liquid are best probed by NMR Knight shift measurements, which provide a direct measure of the behavior of the heavy electron liquid that emerges below the Kondo lattice coherence(More)
The Ni1+/Ni2+ states of nickelates have the identical (3d(9)/3d(8)) electronic configuration as Cu2+/Cu3+ in the high temperature superconducting cuprates, and are expected to show interesting properties. An intriguing question is whether mimicking the electronic and structural features of cuprates would also result in superconductivity in nickelates. Here(More)
We present 75As nuclear magnetic resonance data from measurements of a series of Ba(Fe(1-x)Co(x))2As2 crystals with 0.00≤x≤0.075 that reveals the coexistence of frozen antiferromagnetic domains and superconductivity for 0.060≤x≤0.071. Although bulk probes reveal no long range antiferromagnetic order beyond x=0.06, we find that the local spin dynamics reveal(More)
Prof. Viktor V. Poltavets Department of Chemistry and Chemical Biology, Rutgers University Piscataway, NJ 08854 (USA) and Department of Chemistry, Michigan State University, East Lansing, MI 48824 (USA) Dr. Konstantin A. Lokshin, Prof. Takeshi Egami Department of Materials Science and Engineering, University of Tennessee Knoxville, TN 37996 (USA) Dr. Andriy(More)
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