Absence of Intrinsic Ferromagnetic Interactions of Isolated and Paired Co Dopant Atoms <?format ?>in with High Structural Perfection A Ney, K Ollefs, S Ye, T Kammermeier, V Ney, TC Kaspar, SA Chambers, ... Physical Review Letters 100 (15), 157201, 2008 | 263 | 2008 |
Spin pumping damping and magnetic proximity effect in Pd and Pt spin-sink layers M Caminale, A Ghosh, S Auffret, U Ebels, K Ollefs, F Wilhelm, A Rogalev, ... Physical Review B 94 (1), 014414, 2016 | 148 | 2016 |
Advanced spectroscopic synchrotron techniques to unravel the intrinsic properties of dilute magnetic oxides: the case of Co: ZnO A Ney, M Opel, TC Kaspar, V Ney, S Ye, K Ollefs, T Kammermeier, ... New journal of physics 12 (1), 013020, 2010 | 116 | 2010 |
High-resolution X-ray lensless imaging by differential holographic encoding D Zhu, M Guizar-Sicairos, B Wu, A Scherz, Y Acremann, T Tyliszczak, ... Physical review letters 105 (4), 043901, 2010 | 107 | 2010 |
Spin Hall magnetoresistance in a canted ferrimagnet K Ganzhorn, J Barker, R Schlitz, BA Piot, K Ollefs, F Guillou, F Wilhelm, ... Physical Review B 94 (9), 094401, 2016 | 106 | 2016 |
Hysteresis design of magnetocaloric materials—from basic mechanisms to applications F Scheibel, T Gottschall, A Taubel, M Fries, KP Skokov, A Terwey, ... Energy Technology 6 (8), 1397-1428, 2018 | 99 | 2018 |
Limitations of measuring small magnetic signals of samples deposited on a diamagnetic substrate A Ney, T Kammermeier, V Ney, K Ollefs, S Ye Journal of Magnetism and Magnetic Materials 320 (23), 3341-3346, 2008 | 92 | 2008 |
Element-specific magnetic hysteresis of individual 18 nm Fe nanocubes F Kronast, N Friedenberger, K Ollefs, S Gliga, L Tati-Bismaths, R Thies, ... Nano Letters 11 (4), 1710-1715, 2011 | 79 | 2011 |
Magnetic properties of rare-earth and transition metal based perovskite type high entropy oxides R Witte, A Sarkar, L Velasco, R Kruk, RA Brand, B Eggert, K Ollefs, ... Journal of Applied Physics 127 (18), 2020 | 63 | 2020 |
Anisotropic paramagnetism of Co-doped ZnO epitaxial films A Ney, T Kammermeier, K Ollefs, S Ye, V Ney, TC Kaspar, SA Chambers, ... Physical Review B—Condensed Matter and Materials Physics 81 (5), 054420, 2010 | 60 | 2010 |
Role of intermediate 4f states in tuning the band structure of high entropy oxides A Sarkar, B Eggert, L Velasco, X Mu, J Lill, K Ollefs, SS Bhattacharya, ... APL materials 8 (5), 2020 | 59 | 2020 |
Microwave soft x-ray microscopy for nanoscale magnetization dynamics in the 5–10 GHz frequency range S Bonetti, R Kukreja, Z Chen, D Spoddig, K Ollefs, C Schöppner, ... Review of Scientific Instruments 86 (9), 2015 | 55 | 2015 |
Iridates from the molecular side KS Pedersen, J Bendix, A Tressaud, E Durand, H Weihe, Z Salman, ... Nature communications 7 (1), 12195, 2016 | 52 | 2016 |
Structural, chemical and magnetic properties of secondary phases in Co-doped ZnO A Ney, A Kovács, V Ney, S Ye, K Ollefs, T Kammermeier, F Wilhelm, ... New Journal of Physics 13 (10), 103001, 2011 | 50 | 2011 |
Absence of magnetic proximity effects in magnetoresistive hybrid interfaces M Valvidares, N Dix, M Isasa, K Ollefs, F Wilhelm, A Rogalev, F Sánchez, ... Physical Review B 93 (21), 214415, 2016 | 47 | 2016 |
Magnetism of Co doped ZnO with Al codoping: Carrier-induced mechanisms versus extrinsic origins A Ney, V Ney, S Ye, K Ollefs, T Kammermeier, TC Kaspar, SA Chambers, ... Physical Review B—Condensed Matter and Materials Physics 82 (4), 041202, 2010 | 47 | 2010 |
Comprehensive investigation of crystallographic, spin-electronic and magnetic structure of (Co0. 2Cr0. 2Fe0. 2Mn0. 2Ni0. 2) 3O4: Unraveling the suppression of configuration … A Sarkar, B Eggert, R Witte, J Lill, L Velasco, Q Wang, J Sonar, K Ollefs, ... Acta Materialia 226, 117581, 2022 | 45 | 2022 |
Structural and magnetic analysis of epitaxial films of Gd-doped ZnO V Ney, S Ye, T Kammermeier, K Ollefs, F Wilhelm, A Rogalev, S Lebegue, ... Physical Review B—Condensed Matter and Materials Physics 85 (23), 235203, 2012 | 42 | 2012 |
Element specific magnetic properties of Gd-doped GaN: Very small polarization of Ga and paramagnetism of Gd A Ney, T Kammermeier, V Ney, S Ye, K Ollefs, E Manuel, S Dhar, ... Physical Review B—Condensed Matter and Materials Physics 77 (23), 233308, 2008 | 40 | 2008 |
Investigating magnetic proximity effects at ferrite/Pt interfaces M Collet, R Mattana, JB Moussy, K Ollefs, S Collin, C Deranlot, A Anane, ... Applied Physics Letters 111 (20), 2017 | 39 | 2017 |