Publications 2021


Abrudan, R.; Hennecke, M.; Radu, F.; Kachel, T.; Holldack, K.; Mitzner, R.; Donges, A.; Khmelevskyi, S.; Deák, A.; Szunyogh, L.; Nowak, U.; Eisebitt, S.; Radu, I.: Element-Specific Magnetization Damping in Ferrimagnetic DyCo5 Alloys Revealed by Ultrafast X-ray Measurements. Physica Status Solidi - Rapid Research Letters 15 (2021), p. 2100047/1-7
doi: 10.1002/pssr.202100047
Open Access (external provider)


Bake, A.; Rezoanur Rahman, M.; Evans, P.J.; Cortie, M.; Nancarrow, M.; Abrudan, R.; Radu, F.; Khaydukov, Y.; Causer, G.; Callori, S.; Livesey, K.L.; Mitchell, D.; Pastuovic, Z.; Wang, X.; Cortie, D.: Structure and magnetism of ultra-small cobalt particles assembled at titania surfaces by ion beam synthesis. Applied Surface Science 570 (2021), p. 151068/1-13
doi: 10.1016/j.apsusc.2021.151068


Bannies, J.; Razzoli, E.; Michiardi, M.; Kung, H.H.; Elfimov, I.S.; Yao, M.; Fedorov, A.; Fink, J.; Jozwiak, C.; Bostwick, A.; Rotenberg, E.; Damascelli, A.; Felser, C.: Extremely large magnetoresistance from electron-hole compensation in the nodal-loop semimetal ZrP2. Physical Review B 103 (2021), p. 155144/1-8
doi: 10.1103/physrevb.103.155144
Open Access


Bedoya-Pinto, A.; Ji, J.R.; Pandeya, A.K.; Gargiani, P.; Valvidares, M.; Sessi, P.; Taylor, J.M.; Radu, F.; Chang, K.; Parkin, S.S.P.: Intrinsic 2D-XY ferromagnetism in a van der Waals monolayer. Science 374 (2021), p. 616-620
doi: 10.1126/science.abd5146
Data-doi: 10.5281/zenodo.5207282


Bernal-Salamanca, M.; Konstantinovic, Z.; Balcells, L.; Scepanovic, M.; Valencia, S.; Pannunzio-Miner, E.; Frontera, C.; Pomar, A.; Martínez, B.: Fractal polymer islands on top of ferromagnetic La2Ni0.6Mn1.4O6 thin films. Journal of Magnetism and Magnetic Materials 537 (2021), p. 168203/1-5
doi: 10.1016/j.jmmm.2021.168203


Bokai, K.A.; Shevelev, V.O.; Marchenko, D.; Makarova, A.A.; Mikhailovskii, V.Y.; Zakharov, A.A.; Vilkov, O.Y.; Krivenkov, M.; Vyalikh, D.V.; Usachov, D.Yu.: Visualization of graphene grain boundaries through oxygen intercalation. Applied Surface Science 565 (2021), p. 150476/1-7
doi: 10.1016/j.apsusc.2021.150476


Castellanos-Rubio, I.; Arriortua, O.; Iglesias-Rojas, D.; Barón, A.; Rodrigo, I.; Marcano, L.; Garitaonandia, J.S.; Orue, I.; Fdez-Gubieda, M.L.; Insausti, M.: A Milestone in the Chemical Synthesis of Fe3O4 Nanoparticles: Unreported Bulklike Properties Lead to a Remarkable Magnetic Hyperthermia. Chemistry of Materials 33 (2021), p. 8693–8704
doi: 10.1021/acs.chemmater.1c02654
Open Access


Castellanos-Rubio, I.; Arriortua, O.; Marcano, L.; Rodrigo, I.; Iglesias-Rojas, D.; Barón, A.; Olazagoitia-Garmendia, A.; Olivi, L.; Plazaola, F.; Fdez-Gubieda, M.L.; Castellanos-Rubio, A.; Garitaonandia, J.S.; Orue, I.; Insausti, M.: Shaping Up Zn-Doped Magnetite Nanoparticles from Mono- and Bimetallic Oleates: The Impact of Zn Content, Fe Vacancies, and Morphology on Magnetic Hyperthermia Performance. Chemistry of Materials 33 (2021), p. 3139-3154
doi: 10.1021/acs.chemmater.0c04794
Open Access


Chen, C.H.; Spree, L.; Koutsouflakis, E.; Krylov, D.S.; Liu, F.; Brandenburg, A.; Velkos, G.; Schimmel, S.; Avdoshenko, S.M.; Fedorov, A.; Weschke, E.; Choueikani, F.; Ohresser, P.; Dreiser, J.; Büchner, B.; Popov, A.A.: Magnetic Hysteresis at 10 K in Single Molecule Magnet Self-Assembled on Gold. Advanced Science 8 (2021), p. 2000777/1-7
doi: 10.1002/advs.202000777
Open Access


Clark, O. J.; Freyse, F.; Aguilera, I.; Frolov, A. S.; Ionov, A. M.; Bozhko, S. I.; Yashina, L. V.; Sánchez-Barriga, J.: Observation of a giant mass enhancement in the ultrafast electron dynamics of a topological semimetal. Communications Physics 4 (2021), p. 165/1-11
doi: 10.1038/s42005-021-00657-6
Open Access


Fedorov, A.V.; Poelchen, G.; Eremeev, S.V.; Schulz, S.; Generalov, A.; Polley, C.; Laubschat, C.; Kliemt, K.; Kaya, N.; Krellner, C.; Chulkov, E.V.; Kummer, K.; Usachov, D.Yu.; Ernst, A.; Vyalikh, D.V.: Insight into the Temperature Evolution of Electronic Structure and Mechanism of Exchange Interaction in EuS. Journal of Physical Chemistry Letters 12 (2021), p. 8328-8334
doi: 10.1021/acs.jpclett.1c02274


Fink, J.; Rienks, E. D. L.; Yao, M.; Kuleto, R.; Bannies, J.; Aswartham, S.; Morozoc, I.; Wurmehl, S.; Wolf, T.; Hardy, F.; Meingast, C.; Jeewan, H.S.; Maiwald, J.; Gegenwart, P.; Felser, C.; Büchner, B.: Linkage between scattering rates and superconductivity in doped ferropnictides. Physical Review B 103 (2021), p. 155119/1-8
doi: 10.1103/PhysRevB.103.155119
Open Access


Frantzeskakis, E.; Dai, J.; Bareille, C.; Rödel, T.C.; Güttler, M.; Ran, S.; Kanchanavatee, N.; Huang, K.; Pouse, N.; Wolowiec, C.T.; Rienks, E.D.L.; Lejay, P.; Fortuna, F.; Maple, M.B.; Santander-Syro, A.F.: From hidden order to antiferromagnetism: Electronic structure changes in Fe-doped URu2Si2. Proceedings of the National Academy of Sciences of the United States of America 118 (2021), p. e2020750118/1-6
doi: 10.1073/pnas.2020750118
Open Access (external provider)


Golias, E.; Weschke, E.; Flanagan, T.; Schierle, E.; Richardella, A.; Rienks, E. D. L.; Mandal, P. S.; Varykhalov, A.; Sánchez-Barriga, J.; Radu, F.; Samarth, N.; Rader, O.: Magnetization relaxation and search for the magnetic gap in bulk-insulating V-doped (Bi,Sb)2Te3. Applied Physics Letters 119 (2021), p. 132404/1-6
doi: 10.1063/5.0070557
Open Access (available 01.06.2022)


Haw, S.C.; Hu, Z.; Lin, H.J.; Lee, J.M.; Ishii, H.; Hiraoka, N.; Meléndez-Sans, A.; Komarek, A.C.; Tjeng, L.H.; Chen, K.; Luo, C.; Radu, F.; Te Chen, C.; Chen, J.M.: Unusual mixed spin-state of Co3+ in the ground state of LaSrCoO4: Combined high-pressure and high-temperature study. Journal of Alloys and Compounds 862 (2021), p. 158050/1-7
doi: 10.1016/j.jallcom.2020.158050


Jefremovas, E.M.; Gandarias, L.; Rodrigo, I.; Marcano, L.; Gruttner, C.; Garcia, J.A.; Garayo, E.; Orue, I.; Garcia-Prieto, A.; Muela, A.; Fernandez-Gubieda, M.L.; Alonso, J.; Barquin, L.F.: Nanoflowers Versus Magnetosomes: Comparison Between Two Promising Candidates for Magnetic Hyperthermia Therapy. IEEE Access 9 (2021), p. 99552-99561
doi: 10.1109/access.2021.3096740
Open Access


Knut, R.; Malik, R.S.; Kons, C.; Shoup, J.E.; Radu, F.; Luo, C.; Kvashnin, Y.O.; Gupta, A.; Karis, O.; Arena, D.A.: Perpendicular and in-plane hole asymmetry in a strained NiFe2O4 film. Journal of Physics / Condensed Matter 33 (2021), p. 225801/1-7
doi: 10.1088/1361-648x/abf0c5


Krivenkov, M.; Marchenko, D.; Sanchez-Barriga, J.; Golias, E.; Rader, O.; Varykhalov, A.: Origin of the band gap in Bi-intercalated graphene on Ir(111). 2D Materials 8 (2021), p. 035007/1-15
doi: 10.1088/2053-1583/abd1e4
Open Access (available 01.02.2022)


Lee, J.H.; Harada, T.; Trier, F.; Marcano, L.; Godel, F.; Valencia, S.; Tsukazaki, A.; Bibes, M.: Nonreciprocal Transport in a Rashba Ferromagnet, Delafossite PdCoO2. Nano Letters 21 (2021), p. 8687-8692
doi: 10.1021/acs.nanolett.1c02756


Ma, J.-Z.; Wu, Q.-S.; Song, M.; Zhang, S.-N.; Guedes, E.B.; Ekahana, S.A.; Krivenkov, M.; Yao, M.Y.; Gao, S.-Y.; Fan, W.-H.; Qian, T.; Ding, H.; Plumb, N.C.; Radovic, M.; Dil, J.-H.; Xiong, Y.-M.; Manna, K.; Felser, C.; Yazyev, O.V.; Shi, M.: Observation of a singular Weyl point surrounded by charged nodal walls in PtGa. Nature Communications 12 (2021), p. 3994/1-8
doi: 10.1038/s41467-021-24289-0
Open Access


Nichols, C.I.O.; Bryson, J.F.J.; Cottrell, R.D.; Fu, R.R.; Harrison, R.J.; Herrero-Albillos, J.; Kronast, F.; Tarduno, J.A.; Weiss, B.P.: A Time-Resolved Paleomagnetic Record of Main Group Pallasites: Evidence for a Large-Cored, Thin-Mantled Parent Body. Journal of Geophysical Research : Planets 126 (2021), p. e2021JE006900/1-21
doi: 10.1029/2021je006900
Data-doi: 10.5281/zenodo.4672000
Open Access


Prokes, K.; Luo, C.; Ryll, H.; Schierle, E.; Marchenko, D.; Weschke, E.; Radu, F.; Abrudan, R.; Volobuev, V.V.; Springholz, G.; Rader, O.: Search for enhanced magnetism at the interface between Bi2Se3 and EuSe. Physical Review B 103 (2021), p. 115438/1-8
doi: 10.1103/physrevb.103.115438
Open Access


Rader, O.; Bihlmayer, G.; Fischer, S. F.: Topological insulators: Materials - Fundamental Properties - Devices (Editorial). Physica Status Solidi B 258 (2021), p. 2000594/1-3
doi: 10.1002/pssb.202000594


Rader, O.; Sánchez-Barriga, J.; Rienks, E. D. L.; Varykhalov, A.; Springholz, G.; Yashina, L. V.: Angle-resolved photoemission of topological matter: examples from magnetism, electron correlation and phase transitions. Physica Status Solidi B 258 (2021), p. 2000371/1-15
doi: 10.1002/pssb.202000371
Open Access (external provider)


Rechcinski, R.; Galicka, M.; Simma, M.; Volobuev, V.V.; Caha, O.; Sánchez-Barriga, J.; Mandal, P.S.; Golias, E.; Varykhalov, A.; Rader, O.; Bauer, G.; Kacman, P.; Buczko, R.; Springholz, G.: Structure Inversion Asymmetry and Rashba Effect in Quantum Confined Topological Crystalline Insulator Heterostructures. Advanced Functional Materials 31 (2021), p. 2008885/1-13
doi: 10.1002/adfm.202008885
Open Access (external provider)


Riha, C.; Düzel, B.; Graser, K.; Chiatti, O.; Golias, E.; Sánchez-Barriga, J.; Rader, O.; Tereshchenko, O.E.; Fischer, S.F.: Electrical Transport Properties of Vanadium-Doped Bi2Te2.4Se0.6. Physica Status Solidi B 258 (2021), p. 2000088/1-6
doi: 10.1002/pssb.202000088
Open Access (external provider)


Sander, A.; Orfila, G.; Sanchez-Manzano, D.; Reyren, N.; Mawass, M.A.; Gallego, F.; Collin, S.; Bouzehouane, K.; Höflich, K.; Kronast, F.; Grilli, F.; Rivera-Calzada, A.; Santamaria, J.; Villegas, J.E.; Valencia, S.: Superconducting imprint of magnetic textures in ferromagnets with perpendicular magnetic anisotropy. Scientific Reports 11 (2021), p. 20788/1-10
doi: 10.1038/s41598-021-99963-w
Open Access


Schmitt, C.; Baldrati, L.; Sanchez-Tejerina, L.; Schreiber, F.; Ross, A.; Filianina, M.; Ding, S.; Fuhrmann, F.; Ramos, R.; MacCherozzi, F.; Backes, D.; Mawass, M.-A.; Kronast, F.; Valencia, S.; Saitoh, E.; Finocchio, G.; Klaüi, M.: Identification of Neél Vector Orientation in Antiferromagnetic Domains Switched by Currents in Ni O/Pt Thin Films. Physical Review Applied 15 (2021), p. 034047/1-10
doi: 10.1103/physrevapplied.15.034047
Open Access


Seifert, T.S.; Martens, U.; Radu, F.; Ribow, M.; Berritta, M.; Nádvorník, L.; Starke, R.; Jungwirth, T.; Wolf, M.; Radu, I.; Münzenberg, M.; Oppeneer, P.M.; Woltersdorf, G.; Kampfrath, T.: Frequency-Independent Terahertz Anomalous Hall Effect in DyCo5, Co32Fe68, and Gd27Fe73 Thin Films from DC to 40 THz. Advanced Materials 33 (2021), p. 2007398/1-10
doi: 10.1002/adma.202007398
Open Access (external provider)


Seng, B.; Schönke, D.; Yeste, J.; Reeve, R.M.; Kerber, N.; Lacour, D.; Bello, J.L.; Bergeard, N.; Kammerbauer, F.; Bhukta, M.; Ferté, T.; Boeglin, C.; Radu, F.; Abrudan, R.; Kachel, T.; Mangin, S.; Hehn, M.; Kläui, M.: Direct Imaging of Chiral Domain Walls and Neel-Type Skyrmionium in Ferrimagnetic Alloys. Advanced Functional Materials 31 (2021), p. 2102307/1-7
doi: 10.1002/adfm.202102307
Open Access (external provider)


Senkovskiy, B.V.; Nenashev, A.V.; Alavi, S.K.; Falke, Y.; Hell, M.; Bampoulis, P.; Rybkovskiy, D.V.; Usachov, D.Y.; Fedorov, A.V.; Chernov, A.I.; Gebhard, F.; Meerholz, K.; Hertel, D.; Arita, M.; Okuda, T.; Miyamoto, K.; Shimada, K.; Fischer, F.R.; Michely, T.; Baranovskii, S.D.; Lindfors, K.; Szkopek, T.; Grüneis, A.: Tunneling current modulation in atomically precise graphene nanoribbon heterojunctions. Nature Communications 12 (2021), p. 2542/1-11
doi: 10.1038/s41467-021-22774-0
Open Access


Shams, S.F.; Schmitz, D.; Smekhova, A.; Ghazanfari, M.R.; Giesen, M.; Weschke, E.; Chen, K.; Luo, Ch.; Radu, F.; Schmitz-Antoniak, C.: Element-specific contributions to improved magnetic heating of theranostic CoFe2O4 nanoparticles decorated with Pd. Scientific Reports 11 (2021), p. 15843/1-15
doi: 10.1038/s41598-021-95189-y
Open Access


Thakur, S.; Golias, E.; Kumberg, I.; Senthil Kumar, K.; Hosseinifar, R.; Torres-Rodríguez, J.; Kipgen, L.; Lotze, C.; Arruda, L.M.; Luo, C.; Radu, F.; Ruben, M.; Kuch, W.: Thermal- and Light-Induced Spin-Crossover Characteristics of a Functional Iron(II) Complex at Submonolayer Coverage on HOPG. The Journal of Physical Chemistry C 125 (2021), p. 13925-13932
doi: 10.1021/acs.jpcc.1c02774


Ukleev, V.; Utesov, O.; Yu, L.; Luo, C.; Chen, K.; Radu, F.; Yamasaki, Y.; Kanazawa, N.; Tokura, Y.; Arima, T.; White, J.S.: Signature of anisotropic exchange interaction revealed by vector-field control of the helical order in a FeGe thin plate. Physical Review Research 3 (2021), p. 013094/1-8
doi: 10.1103/PhysRevResearch.3.013094
Open Access


Valmianski, I.; Fraile Rodríguez, A.; Rodríguez-Álvarez, J.; García del Muro, M.; Wolowiec, C.; Ramírez, J.G.; Kronast, F.; Schuller, I.K.; Labarta, A.; Batlle, X.: Driving magnetic domains at the nanoscale by interfacial strain-induced proximity. Nanoscale 13 (2021), p. 4985-4994
doi: 10.1039/D0NR08253H


Volkov, O.M.; Kronast, F.; Abert, C.; Mata, E.S.O.; Kosub, T.; Makushko, P.; Erb, D.; Pylypovskyi, O.V.; Mawass, M.A.; Sheka, D.; Zhou, S.; Fassbender, J.; Makarov, D.: Domain-Wall Damping in Ultrathin Nanostripes with Dzyaloshinskii-Moriya Interaction. Physical Review Applied 15 (2021), p. 034038/1-12
doi: 10.1103/physrevapplied.15.034038


Volykhov, A.A.; Frolov, A.S.; Neudachina, V.S.; Vladimirova, N.V.; Gerber, E.; Callaert, C.; Hadermann, J.; Khmelevsky, N.O.; Knop-Gericke, A.; Sánchez-Barriga, J.; Yashina, L.V.: Impact of ordering on the reactivity of mixed crystals of topological insulators with anion substitution: Bi2SeTe2 and Sb2SeTe2. Applied Surface Science 541 (2021), p. 148490/1-9
doi: 10.1016/j.apsusc.2020.148490
Open Access (available 01.03.2022)


Wimmer, S.; Sánchez-Barriga, J.; Küppers, P.; Ney, A.; Schierle, E.; Freyse, F.; Caha, O.; Michalicka, J.; Liebmann, M.; Primetzhofer, D.; Hoffmann, M.; Ernst, A.; Otrokov, M. M.; Bihlmayer, G.; Weschke, E.; Lake, B.; Chulkov, E. V.; Morgenstern, M.; Bauer, G.; Springholz, G.; Rader, O.: Mn-rich MnSb2Te4: A topological insulator with magnetic gap closing at high Curie temperatures of 45-50 K. Advanced Materials 33 (2021), p. 2102935/1-11
doi: 10.1002/adma.202102935
Open Access