51 citations · 183 across the 17 of their papers we have counts for
17 papers
Band Alignment Tuning from Charge Transfer in Epitaxial SrIrO/SrCoO Superlattices
Jibril Ahammad, Brian B. Opatosky, Tanzila Tasnim +6
Understanding charge transfer at oxide interfaces is crucial for designing materials with emergent electronic and magnetic properties, especially in systems where strong electron c…
New Materials, New Functionalities: Molecular Beam Epitaxy of Ultra-High Conductivity Oxides
Gaurab Rimal, Tanzila Tasnim, Brian Opatosky +6
Understanding fundamental properties of materials is necessary for all modern electronic technologies. Toward this end, the fabrication of new ultrapure thin film materials is crit…
Origin of the Unusual Temperature Dependence of the Upper Critical Field of Kagome Superconductor CsV3Sb5: Multiple Bands or van Hove Singularities?
Ramakanta Chapai, Alexei E. Koshelev, Matthew P. Smylie +8
Van Hove singularities (vHs) located close to the Fermi level in Kagome superconductors AV3Sb5 (A = K, Rb, Cs) have profound influence on their electronic and transport characteris…
Stoichiometry-induced ferromagnetism in altermagnetic candidate MnTe
Michael Chilcote, Alessandro R. Mazza, Qiangsheng Lu +22
The field of spintronics has seen a surge of interest in altermagnetism due to novel predictions and many possible applications. MnTe is a leading altermagnetic candidate that is o…
Strain-dependent Insulating State and Kondo Effect in Epitaxial SrIrO Films
Gaurab Rimal, Tanzila Tasnim, Gabriel Calderon Ortiz +3
The large spin-orbit coupling in iridium oxides plays a significant role in driving novel physical behaviors, including emergent phenomena in the films and heterostructures of pero…
Advances in Complex Oxide Quantum Materials Through New Approaches to Molecular Beam Epitaxy
Gaurab Rimal, Ryan B. Comes
Molecular beam epitaxy (MBE), a workhorse of the semiconductor industry, has progressed rapidly in the last few decades in the development of novel materials. Recent developments i…
Emergent magnetism with continuous control in the ultrahigh conductivity layered oxide PdCoO2
Matthew Brahlek, Alessandro R. Mazza, Abdulgani Annaberdiyev +20
The current challenge to realizing continuously tunable magnetism lies in our inability to systematically change properties such as valence, spin, and orbital degrees of freedom as…
Thickness-dependent, tunable anomalous Hall effect in hydrogen-reduced PdCoO thin films
Gaurab Rimal, Yiting Liu, Matthew Brahlek +1
It was recently reported that hydrogen-reduced PdCoO films exhibit strong perpendicular magnetic anisotropy (PMA) with sign tunable anomalous Hall effect (AHE). Here, we provid…
Interaction of in-plane Drude carrier with c-axis phonon in
Dongmin Seo, Gihyeon Ahn, Gaurab Rimal +6
We performed polarized reflection and transmission measurements on the layered conducting oxide thin films. For the ab-plane, an optical peak near 750 c…
Diffusion-assisted molecular beam epitaxy of CuCrO thin films
Gaurab Rimal, Alessandro R. Mazza, Matthew Brahlek +1
Using molecular beam epitaxy (MBE) to grow multi-elemental oxides (MEO) is generally challenging, partly due to difficulty in stoichiometry control. Occasionally, if one of the ele…
Disorder-enhanced effective masses and deviations from Matthiessen's rule in PdCoO thin films
David Barbalas, Anaëlle Legros, Gaurab Rimal +2
The observation of hydrodynamic transport in the metallic delafossite PdCoO has increased interest in this family of highly conductive oxides, but experimental studies so far h…
Anomalous Hall effect in electrolytically reduced PdCoO thin films
Yiting Liu, Gaurab Rimal, Pratyankara Narasimhan +1
PdCoO, being highly conductive and anisotropic, is a promising material for fundamental and technological applications. Recently, reduced PdCoO thin films were shown to exh…
Layer-Resolved Many-Electron Interactions in Delafossite PdCoO2 from Standing-Wave Photoemission Spectroscopy
Qiyang Lu, Henrique Martins, J. Matthias Kahk +7
When a three-dimensional material is constructed by stacking different two-dimensional layers into an ordered structure, new and unique physical properties can emerge. An example i…
Effective reduction of PdCoO2 thin films via hydrogenation and sign tunable anomalous Hall effect
Gaurab Rimal, Yiting Liu, Caleb Schmidt +14
PdCoO2 , belonging to a family of triangular oxides called delafossite, is one of the most conducting oxides. Its in-plane conductivity is comparable to those of the best metals, a…
Topological Hall Effect in a Topological Insulator Interfaced with a Magnetic Insulator
Peng Li, Jinjun Ding, Steven S. -L. Zhang +13
A topological insulator (TI) interfaced with a magnetic insulator (MI) may host an anomalous Hall effect (AHE), a quantum AHE, and a topological Hall effect (THE). Recent studies,…
Growth of metallic delafossite PdCoO2 by molecular beam epitaxy
Matthew Brahlek, Gaurab Rimal, Jong Mok Ok +8
The Pd, and Pt based ABO2 delafossites are a unique class of layered, triangular oxides with 2D electronic structure and a large conductivity that rivals the noble metals. Here, we…
Interface enhanced magnetic anisotropy in Pt/EuO films
Gaurab Rimal, Jinke Tang
We report proximity effects of spin-orbit coupling in EuO films capped with a Pt overlayer. Transport measurements suggest that current flows along a conducting channel at…