2.4k citations · 14.1k across the 89 of their papers we have counts for
19 papers · 1 filter
Reversible Non-Volatile Electronic Switching in a Near Room Temperature van der Waals Ferromagnet
Han Wu, Lei Chen, Paul Malinowski +37
The ability to reversibly toggle between two distinct states in a non-volatile method is important for information storage applications. Such devices have been realized for phase-c…
Spectral Evidence for Local-Moment Ferromagnetism in van der Waals Metals FeGaTe and FeGeTe
Han Wu, Chaowei Hu, Yaofeng Xie +26
Magnetism in two-dimensional (2D) materials has attracted considerable attention recently for both fundamental understanding of magnetism and their tunability towards device applic…
Layer-dependent spin-resolved electronic structure of ferromagnetic triple-layered ruthenate SrRuO
Prosper Ngabonziza, Jonathan D. Denlinger, Alexei V. Fedorov +4
High-resolution angle- and spin-resolved photoemission spectroscopy (ARPES) of the triple-layered ruthenate SrRuO reveals features of the electronic structure that e…
Sn-doped Bi1.1Sb0.9Te2S, a bulk topological insulator with ideal properties
S. K. Kushwaha, I. Pletikosić, T. Liang +11
A long-standing issue in topological insulator research has been to find a material that provides an ideal platform for characterizing topological surface states without interferen…
Robust gapless surface state and Rashba-splitting bands upon surface deposition of magnetic Cr on BiSe
Eryin Wang, Peizhe Tang, Guoliang Wan +5
The interaction between magnetic impurities and the gapless surface state is of critical importance for realizing novel quantum phenomena and new functionalities in topological ins…
Minority-spin states and the degree of spin polarization in ferromagnetic metallic LaSrMnO ()
Z. Sun, Q. Wang, J. F. Douglas +10
Using angle-resolved photoemission spectroscopy (ARPES), we investigate the electronic band structure and Fermi surface of ferromagnetic LaSrMnO (…
Termination dependent topological surface states of the natural superlattice phase BiSe
Q. D. Gibson, L. M. Schoop, A. P. Weber +9
We describe the topological surface states of BiSe, a compound in the infinitely adaptive Bi-BiSe natural superlattice phase series, determined by a combination…
Measurement of an Exceptionally Weak Electron-Phonon Coupling on the Surface of the Topological Insulator BiSe Using Angle-Resolved Photoemission Spectroscopy
Z. -H. Pan, A. V. Fedorov, D. Gardner +3
Gapless surface states on topological insulators are protected from elastic scattering on non-magnetic impurities which makes them promising candidates for low-power electronic app…
Electronic Structure of the Topological Insulator Bi2Se3 Using Angle-Resolved Photoemission Spectroscopy: Evidence for a Nearly Full Surface Spin Polarization
Z. -H. Pan, E. Vescovo, A. V. Fedorov +5
We performed high-resolution spin- and angle-resolved photoemission spectroscopy studies of the electronic structure and the spin texture on the surface of BiSe, a model to…
Non-monotonic Fermi surface evolution and its correlation with stripe ordering in bilayer manganites
Z. Sun, Q. Wang, J. F. Douglas +11
In correlated electron systems such as cuprate superconductors and colossal magnetoresistive (CMR) oxides there is often a tendency for a nanoscale self-organization of electrons t…
Core Level and Valence Band Study of LaOFFeAs
D. R. Garcia, C. Jozwiak, C. G. Hwang +8
Using angle-integrated photoemission spectroscopy we have probed the novel LaOFFeAs superconductor over a wide range of photon energies and temperatures. We have pr…
First direct observation of Dirac fermions in graphite
S. Y. Zhou, G. -H. Gweon, J. Graf +7
Originating from relativistic quantum field theory, Dirac fermions have been recently applied to study various peculiar phenomena in condensed matter physics, including the novel q…
Quasiparticle coherence and the nature of the metal-insulator phase transition in NaCoO
D. Qian, L. Wray, D. Hsieh +7
Layered cobaltates embody novel realizations of correlated quantum matter on a spin-1/2 triangular lattice. We report a high-resolution systematic photoemission study of the insula…
Quasiparticle-like peaks, kinks, and electron-phonon coupling at the (,0) regions in the CMR oxide LaSrMnO
Z. Sun, Y. -D. Chuang, A. V. Fedorov +11
Using Angle-Resolved Photoemission (ARPES), we present the first observation of sharp quasiparticle-like peaks in a CMR manganite. We focus on the (,0) regions of k-space and st…
Nature of Correlated Motion of Electrons in the Parent Cobaltate Superconductors
M. Z. Hasan, D. Qian, Y. Li +5
Recently discovered class of cobaltate superconductors (Na0.3CoO2.nH2O) is a novel realization of interacting quantum electron systems in a triangular network with low-energy degre…
Fermi surface evolution and Luttinger theorem in NaCoO: a systematic photoemission study
H. -B. Yang, Z. -H. Pan, A. K. P. Sekharan +9
We report a systematic angle-resolved photoemission study on NaCoO for a wide range of Na concentrations (). In all the metallic samples at different…
Fermi surface and quasiparticle dynamics of Na(x)CoO2 {x=0.7} investigated by Angle-Resolved Photoemission Spectroscopy
M. Z. Hasan, Y. -D. Chuang, A. P. Kuprin +13
We present an angle-resolved photoemission study of Na0.7CoO2, the host cobaltate of the NaxCoO2.yH2O series. Our results show a large hexagonal-like hole-type Fermi surface, an ex…
Quasi-Particle Spectra, Charge-Density-Wave, Superconductivity and Electron-Phonon Coupling in 2H-NbSe2
T. Valla, A. V. Fedorov, P. D. Johnson +5
High-resolution photoemission has been used to study the electronic structure of the charge density wave (CDW) and superconducting (SC) dichalcogenide, 2H- NbSe2. From the extracte…
Many-body Effects in Angle-resolved Photoemission: Quasiparticle Energy and Lifetime of a Mo(110) Surface State
T. Valla, A. V. Fedorov, P. D. Johnson +1
In a high-resolution photoemission study of a Mo(110) surface state various contributions to the measured width and energy of the quasiparticle peak are investigated. Electron-phon…