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Dive into the research topics where N. Hollmann is active.

Publication


Featured researches published by N. Hollmann.


Applied Physics Letters | 2014

Growth and characterization of Sc-doped EuO thin films

S. G. Altendorf; A. Reisner; C. F. Chang; N. Hollmann; A. D. Rata; L. H. Tjeng

The preparation of 3d-transition metal-doped EuO thin films by molecular beam epitaxy is investigated using the example of Sc doping. The Sc-doped EuO samples display a good crystalline structure, despite the relatively small ionic radius of the dopant. The Sc doping leads to an enhancement of the Curie temperature to up to 125 K, remarkably similar to previous observations on lanthanide-doped EuO.


Physical Review B | 2014

Spectroscopic evidence for exceptionally high orbital moment induced by local distortions in α-CoV2O6

N. Hollmann; S. Agrestini; Z. Hu; Z. He; Marcus Schmidt; Chang-Yang Kuo; M. Rotter; A. A. Nugroho; V. Sessi; A. Tanaka; N. B. Brookes; L. H. Tjeng

N. Hollmann, S. Agrestini, Z. Hu, Z. He, M. Schmidt, C.-Y. Kuo, M. Rotter, A. A. Nugroho, V. Sessi, A. Tanaka, N. B. Brookes, and L. H. Tjeng Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Str. 40, 01187 Dresden, Germany State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jl. Ganesha 10, Bandung 40132, Indonesia European Synchrotron Radiation Facility, Bôıte Postale 220, F-38043 Grenoble Cédex, France Department of Quantum Matter, ADSM, Hiroshima University, Higashi-Hiroshima 739-8530, Japan (Dated: May 11, 2014)


Physical Review B | 2010

Crystal-field and Kondo-scale investigations of CeMIn5 (M = Co, Ir, and Rh): A combined x-ray absorption and inelastic neutron scattering study

T. Willers; Z. Hu; N. Hollmann; P. O. Körner; Jan Gegner; T. Burnus; H. Fujiwara; A. Tanaka; D. Schmitz; H. H. Hsieh; H.-J. Lin; Chuangtian Chen; E. D. Bauer; John L. Sarrao; E. Goremychkin; M. Koza; L. H. Tjeng; Andrea Severing

Linear-polarized soft-x-ray absorption (XAS) and inelastic neutron scattering (INS) experiments have been performed on


Physical Review B | 2010

Local symmetry and magnetic anisotropy in multiferroic MnWO4 and antiferromagnetic CoWO4 studied by soft x-ray absorption spectroscopy

N. Hollmann; Z. Hu; T. Willers; L. Bohatý; P. Becker; A. Tanaka; H. H. Hsieh; H.-J. Lin; Chuangtian Chen; L. H. Tjeng

\text{Ce}M{\text{In}}_{5}


Proceedings of the National Academy of Sciences of the United States of America | 2012

From antiferromagnetic insulator to correlated metal in pressurized and doped LaMnPO

Jack Simonson; Z. P. Yin; Maria Pezzoli; Jing Guo; Jianpeng Liu; K. W. Post; A. Efimenko; N. Hollmann; Z. Hu; H.-J. Lin; Chuangtian Chen; C. Marques; V. Leyva; Gregory S. Smith; Jeffrey W. Lynn; Liling Sun; Gabriel Kotliar; D. N. Basov; L. H. Tjeng; Meigan C. Aronson

with


Physical Review B | 2011

Orbital order in La0.5Sr1.5MnO4: Beyond a common local Jahn-Teller picture

Hua Wu; C. F. Chang; O. Schumann; Z. Hu; J. C. Cezar; T. Burnus; N. Hollmann; N. B. Brookes; A. Tanaka; M. Braden; L. H. Tjeng; D. I. Khomskii

M=\text{Rh}


Physical Review B | 2015

Electronic and spin states of SrRuO3 thin films: An x-ray magnetic circular dichroism study

S. Agrestini; Z. Hu; Chang-Yang Kuo; M. W. Haverkort; K.-T. Ko; N. Hollmann; Q. Liu; E. Pellegrin; Manuel Valvidares; J. Herrero-Martin; P. Gargiani; P. Gegenwart; M. Schneider; S. Esser; A. Tanaka; A. C. Komarek; L. H. Tjeng

, Ir, and Co to determine the crystal-field scheme and characteristic Kondo temperatures


Physical Review B | 2013

Correlation effects in CaCu3Ru4O12

N. Hollmann; Z. Hu; A. Maignan; A. Günther; Ling-Yun Jang; A. Tanaka; H.-J. Lin; Chuangtian Chen; Peter Thalmeier; L. H. Tjeng

{T}^{\ensuremath{\ast}}


Dalton Transactions | 2015

An unusual high-spin ground state of Co3+ in octahedral coordination in brownmillerite-type cobalt oxide

S. Ya. Istomin; O. A. Tyablikov; S. M. Kazakov; E.V. Antipov; A. I. Kurbakov; Alexander A. Tsirlin; N. Hollmann; Yi-Ying Chin; H.-J. Lin; Chuangtian Chen; A. Tanaka; L. H. Tjeng; Z. Hu

for the hybridization between


arXiv: Materials Science | 2014

STATE OF Co AND Mn IN HALF-METALLIC FERROMAGNET Co2MnSi EXPLORED BY MAGNETIC CIRCULAR DICHROISM IN HARD X-RAY PHOTOELECTRON EMISSION AND SOFT X-RAY ABSORPTION SPECTROSCOPIES

Gerhard H. Fecher; Daniel Ebke; Siham Ouardi; S. Agrestini; Chang-Yang Kuo; N. Hollmann; Z. Hu; A. Gloskovskii; Flora Yakhou; Nicholas B. Brookes; Claudia Felser

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Z. Hu

Max Planck Society

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Chuangtian Chen

Chinese Academy of Sciences

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H.-J. Lin

Northeastern University

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H. H. Hsieh

National Defense University

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J. C. Cezar

European Synchrotron Radiation Facility

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N. B. Brookes

European Synchrotron Radiation Facility

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