845 citations · 3.1k across the 24 of their papers we have counts for
24 papers
Searching for Superconductivity in High Entropy Oxide Ruddlesden-Popper Cuprate Films
Alessandro R. Mazza, Xingyao Gao, Daniel J. Rossi +10
In this work, the high entropy oxide A2CuO4 Ruddlesden-Popper (La0.2Pr0.2Nd0.2Sm0.2Eu0.2)2CuO4 is explored by charge doping with Ce+4 and Sr+2 at concentrations known to induce sup…
Design and realization of Ohmic and Schottky interfaces for oxide electronics
Jie Zhang, Yun-Yi Pai, Jason Lapano +8
Understanding band alignment and charge transfer at complex oxide interfaces is critical to tailoring and utilizing their diverse functionality. Towards this goal, we design and ex…
Identifying Majorana vortex modes via non-local transport
Björn Sbierski, Max Geier, An-Ping Li +3
The combination of two-dimensional Dirac surface states with s-wave superconductivity is expected to generate localized topological Majorana zero modes in vortex cores. Putative ex…
Self-regulated growth of candidate topological superconducting parkerite by molecular beam epitaxy
Jason Lapano, Yun-Yi Pai, Alessandro Mazza +17
Ternary chalcogenides such as the parkerites and shandites are a broad class of materials exhibiting rich diversity of transport and magnetic behavior as well as an array of topolo…
Anomalously Strong Near-Neighbor Attraction in Doped 1D Cuprate Chains
Zhuoyu Chen, Yao Wang, Slavko N. Rebec +7
In the cuprates, one-dimensional chain compounds provide a unique opportunity to understand the microscopic physics due to the availability of reliable theories. However, progress…
Van der Waals Epitaxy on Freestanding Monolayer Graphene Membrane by MBE
Jason Lapano, Ondrej Dyck, Andrew Lupini +8
Research on two-dimensional materials has expanded over the past two decades to become a central theme in condensed matter research today. Significant advances have been made in th…
Magic Doping and Robust Superconductivity in Monolayer FeSe on Titanates
Tao Jia, Zhuoyu Chen, Slavko N. Rebec +6
The enhanced superconductivity in monolayer FeSe on titanates opens a fascinating pathway towards the rational design of high-temperature superconductors. Utilizing the state-of-th…
Strong spin-dephasing in a topological insulator - paramagnet heterostructure
Jason Lapano, Alessandro R. Mazza, Haoxiang Li +9
The interface between magnetic materials and topological insulators can drive the formation of exotic phases of matter and enable functionality through manipulation of the strong s…
Dichotomy of the Photo Induced 2-Dimensional Electron Gas on SrTiO Surface Terminations
Slavko Rebec, Tao Jia, Hafiz Sohail +4
Oxide materials are important candidates for the next generation of electronics due to a wide array of desired properties which they can exhibit alone or when combined with other m…
Suppression of Charge Density Wave by Substrate Induced Doping on TiSe/TiO Heterostructure
Tao Jia, Slavko N. Rebec, Shujie Tang +6
Substrate engineering provides an opportunity to modulate the physical properties of quantum materials in thin film form. Here we report that TiSe thin films grown on TiO h…
Realization of Quantum Spin Hall State in Monolayer 1T'-WTe2
Shujie Tang, Chaofan Zhang, Dillon Wong +23
A quantum spin Hall (QSH) insulator is a novel two-dimensional quantum state of matter that features quantized Hall conductance in the absence of magnetic field, resulting from top…
Ubiquitous strong electron phonon coupling at the interface of FeSe/SrTiO3
Chaofan Zhang, Zhongkai Liu, Zhuoyu Chen +17
The high temperature superconductivity in single-unit-cell (1UC) FeSe on SrTiO3 (STO)(001) and the observation of replica bands by angle-resolved photoemission spectroscopy (ARPES)…
Superconducting gap anisotropy in monolayer FeSe thin film
Y. Zhang, J. J. Lee, R. G. Moore +7
Fermi surface topology and pairing symmetry are two pivotal characteristics of a superconductor. Superconductivity in one monolayer (1ML) FeSe thin film has attracted great interes…
High Resolution Angle Resolved Photoemission with Tabletop 11eV Laser
Yu He, Inna Vishik, Ming Yi +12
We developed a table-top vacuum ultraviolet (VUV) laser with nm wavelength (10.897eV) and demonstrated its viability as a photon source for high resolution angle-resolved…
Electronically driven nematicity in FeSe Films on SrTiO3
W. Li, Y. Zhang, J. J. Lee +12
The intriguing role of nematicity in iron-based superconductors, defined as broken rotational symmetry below a characteristic temperature, is an intensely investigated contemporary…
Thickness-Dependent Coherent Phonon Frequency in Ultrathin FeSe/SrTiO Films
Shuolong Yang, Jonathan A. Sobota, Dominik Leuenberger +7
Ultrathin FeSe films grown on SrTiO substrates are a recent milestone in atomic material engineering due to their important role in understanding unconventional superconducti…
Experimental Observation of Incoherent-Coherent Crossover and Orbital Dependent Band Renormalization in Iron Chalcogenide Superconductors
Zhongkai Liu, Ming Yi, Yan Zhang +13
The level of electronic correlation has been one of the key questions in understanding the nature of superconductivity. Among the iron-based superconductors, the iron chalcogenide…
Direct spectroscopic evidence for phase competition between the pseudogap and superconductivity in BiSrCaCuO
Makoto Hashimoto, Elizabeth A. Nowadnick, Rui-Hua. He +16
In the high-temperature () cuprate superconductors, increasing evidence suggests that the pseudogap, existing below the pseudogap temperature *, has a distinct broken ele…
Interfacial mode coupling as the origin of the enhancement of Tc in FeSe films on SrTiO3
J. J. Lee, F. T. Schmitt, R. G. Moore +11
Single unit cell films of iron selenide (1UC FeSe) grown on SrTiO3 (STO) substrates have recently shown superconducting energy gaps opening at temperatures close to the boiling poi…
Real-time manifestation of strongly coupled spin and charge order parameters in stripe-ordered nickelates via time-resolved resonant x-ray diffraction
Y. D. Chuang, W. S. Lee, Y. F. Kung +27
We investigate the order parameter dynamics of the stripe-ordered nickelate, LaSrNiO, using time-resolved resonant X-ray diffraction. In spite of distinct spi…
Orbital-dependent electron correlation effect on the two- and three-dimensional Fermi surfaces in KFe2As2 revealed by angle-resolved photoemission spectroscopy
T. Yoshida, S. Ideta, I. Nishi +14
We have performed an angle-resolved photoemission study of the hole-overdoped iron pnictide superconductor KFe2As2, which shows a low Tc of ~4 K. Most of the observed Fermi surface…
Phase Fluctuations and the Absence of Topological Defects in Photo-excited Charge Ordered Nickelate
W. S. Lee, Y. D. Chuang, R. G. Moore +32
The dynamics of an order parameter's amplitude and phase determines the collective behaviour of novel states emerged in complex materials. Time- and momentum-resolved pump-probe sp…
Symmetry breaking orbital anisotropy on detwinned Ba(Fe1-xCox)2As2 above the spin density wave transition
M. Yi, D. H. Lu, J. -H. Chu +12
Nematicity, defined as broken rotational symmetry, has recently been observed in competing phases proximate to the superconducting phase in the cuprate high temperature superconduc…
Observation of Single Dirac Cone Topological Surface State in Compounds TlBiTe2 and TlBiSe2 from a New Topological Insulator Family
Yulin Chen, Zhongkai Liu, James G. Analytis +9
Angle resolved photoemission spectroscopy (ARPES) studies were performed on two compounds (TlBiTe and TlBiSe) from a recently proposed three dimensional topological insulat…