398 citations · 3.5k across the 71 of their papers we have counts for
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Anisotropic spin distribution and perpendicular magnetic anisotropy in the layered ferromagnetic semiconductor (Ba,K)(Zn,Mn)As
Shoya Sakamoto, Guoqiang Zhao, Goro Shibata +14
Perpendicular magnetic anisotropy of the new ferromagnetic semiconductor (Ba,K)(Zn,Mn)As is studied by angle-dependent x-ray magnetic circular dichroism measurements. T…
Hard and soft x-ray photoemission spectroscopy study of the new Kondo system SmO thin film
Shoya Sakamoto, Kenichi Kaminaga, Daichi Oka +15
SmO thin film is a new Kondo system showing a resistivity upturn around 10 K and was theoretically proposed to have a topologically nontrivial band structure. We have performed har…
Room-temperature ferrimagnetism of anti-site-disordered Ca2MnOsO6
Hai L. Feng, Madhav Prasad Ghimire, Zhiwei Hu +18
Room-temperature ferrimagnetism was discovered for the anti-site-disordered perovskite Ca2MnOsO6 with Tc = 305 K. Ca2MnOsO6 crystallizes into an orthorhombic structure with a space…
Spin-orbit coupling and crystal-field distortions for a low-spin state in BaCoO
Y. Y. Chin, Z. Hu, H. -J. Lin +13
We have studied the electronic structure of BaCoO using soft x-ray absorption spectroscopy at the Co- and O- edges, magnetic circular dichroism at the Co-…
Metal-insulator transition in the 2D Hubbard model: dual fermion approach with the Lanczos exact diagonalization
Arata Tanaka
In this study the metal-insulator transition in the square-lattice Hubbard model at half-filling is revisited in relation to the DOS and spectral functions by means of the ladder d…
Effect of Anisotropic Hybridization in YbAlB Probed by Linear Dichroism in Core-Level Hard X-ray Photoemission Spectroscopy
Kentaro Kuga, Yuina Kanai, Hidenori Fujiwara +14
We have probed the crystalline electric-field ground states of pure as well as the anisotropic - hybridization in both valence fluctuating sy…
Intermediate valence in single crystalline YbSiAl
W. J. Gannon, K. Chen, M. Sundermann +8
YbSiAl may be a prototype for exploring different aspects of the Shastry-Sutherland lattice, formed by planes of orthogonally coupled Yb ions. Measurements of the magnetic…
Electronic States and Possible Origin of the Orbital-Glass State in a Nearly Metallic Spinel Cobalt Vanadate: An X-ray Magnetic Circular Dichroism Study
Yosuke Nonaka, Goro Shibata, Rui Koborinai +8
We have investigated the orbital states of the orbital-glassy (short-range orbital ordered) spinel vanadate CoVO using x-ray absorption spectroscopy (XAS),…
Tuning the hybridization and magnetic ground state of electron and hole doped CeOsAl: an x-ray spectroscopy study
Kai Chen, Martin Sundermann, Fabio Strigari +6
Here we present linear and circular polarized soft x-ray absorption spectroscopy (XAS) data at the Ce edges of the electron (Ir) and hole-doped (Re) Kondo semiconductor C…
Strain induced changes of electronic properties of B-site ordered double perovskite SrCoIrO thin films
S. Esser, C. F. Chang, C. -Y. Kuo +10
B-site ordered thin films of double perovskite SrCoIrO were epitaxially grown by a metal-organic aerosol deposition technique on various substrates, actuating different str…
The -axis dimer and its electronic break-up: the insulator-to-metal transition in TiO
C. F. Chang, T. C. Koethe, Z. Hu +17
We report on our investigation of the electronic structure of TiO using (hard) x-ray photoelectron and soft x-ray absorption spectroscopy. From the distinct satellite struc…
Evolution of ground state wave function in CeCoIn upon Cd or Sn doping
K. Chen, F. Strigari, M. Sundermann +13
We present linear polarization-dependent soft x-ray absorption spectroscopy data at the Ce edges of Cd and Sn doped CeCoIn. The 4 ground state wave functions have…
Electronic Structure and Magnetic Properties of Half-metallic Ferrimagnet MnVAl Probed by Soft X-ray Spectroscopies
K. Nagai, H. Fujiwara, H. Aratani +15
We have studied the electronic structure of ferrimagnetic Mn2VAl single crystal by means of soft X-ray absorption spectroscopy (XAS), X-ray absorption magnetic circular dichroism (…
Linear dichroism in angle-resolved core-level photoemission spectra reflecting 4f ground-state symmetry of strongly correlated cubic Pr compounds
Satoru Hamamoto, Shuhei Fujioka, Yuina Kanai +17
We report experimentally observed linear dichroism in angle-resolved core-level photoemission spectra of PrIr2Zn20 and PrB6 in cubic symmetry. The different anisotropic 4f charge d…
Electronically highly cubic conditions for Ru in alpha-RuCl3
S. Agrestini, C. -Y. Kuo, K. -T. Ko +11
We studied the local Ru 4d electronic structure of alpha-RuCl3 by means of polarization dependent x-ray absorption spectroscopy at the Ru-L2,3 edges. We observed a vanishingly smal…
Ce 3 hard x-ray photoelectron spectroscopy study of the topological Kondo insulator CeRuSn
M. Sundermann, K. Chen, Y. Utsumi +8
Bulk sensitive hard x-ray photoelectron spectroscopy data of the Ce 3 core level of CeRuSn are presented. Using a combination of full multiplet and configuration iterati…
Optical Process of Linear Dichroism in Angle-Resolved Core-Level Photoemission Reflecting Strongly Correlated Anisotropic Orbital Symmetry
Akira Sekiyama, Yuina Kanai, Arata Tanaka +1
We revisit the formulations and simulations of angular distributions in polarization-dependent core-level photoemission spectra of strongly correlated electron systems, in order to…
CeRuSn: a strongly correlated material with nontrivial topology
M. Sundermann, F. Strigari, T. Willers +14
Topological insulators form a novel state of matter that provides new opportunities to create unique quantum phenomena. While the materials used so far are based on semiconductors,…
Evidence for Gamma_8 Ground-State Symmetry of Cubic YbB12 Probed by Linear Dichroism in Core-Level Photoemission
Yuina Kanai, Takeo Mori, Sho Naimen +12
We have successfully observed linear dichroism in angle-resolved Yb3+ 3d5/2 core-level photoemission spectra for YbB12 in cubic symmetry. Its anisotropic 4f charge distribution due…
Electronic and Spin States of SrRuO3 Thin Films: an X-ray Magnetic Circular Dichroism Study
S. Agrestini, Z. Hu, C. -Y. Kuo +14
We report a study of the local magnetism in thin films of SrRuO3 grown on (111) and (001) oriented SrTiO3 substrates using x-ray magnetic circular dichroism spectroscopy (XMCD) at…
Probing Strongly Correlated 4f-Orbital Symmetry of the Ground State in Yb Compounds by Linear Dichroism in Core-Level Photoemission
Takeo Mori, Satoshi Kitayama, Yuina Kanai +19
We show that the strongly correlated 4f-orbital symmetry of the ground state is revealed by linear dichroism in core-level photoemission spectra as we have discovered for YbRh2Si2…
Quantitative study of valence and configuration interaction parameters of the Kondo semiconductors CeM2Al10 (M = Ru, Os and Fe) by means of bulk-sensitive hard x-ray photoelectron spectroscopy
F. Strigari, M. Sundermann, Y. Muro +9
The occupancy of the 4f^n contributions in the Kondo semiconductors CeM2Al10(M = Ru, Os and Fe) has been quantitatively determined by means of bulk-sensitive hard x-ray photoelectr…
Correlation between the phase diagram and the crystal-field wave functions of CeRh(1-x)Ir(x)In5
T. Willers, F. Strigari, Z. Hu +9
The 4f crystal-electric field ground state wave functions of CeRh(1-x)Ir(x)In5 have been determined by linear polarization dependent soft x-ray absorption spectroscopy (XAS) at T =…
Spectroscopic evidence for giant orbital moment and magnetic anisotropy induced by local distortions in alpha-CoV2O6
N. Hollmann, S. Agrestini, Z. Hu +9
We present a combined experimental and theoretical study on the local magnetism of the Co ions in the spin-chain compound CoV2O6, which crystallizes in two different allotropic pha…