Articles in Peer-Reviewed Scientific Journals
Interface Magnetoelectric Coupling in Co/Pb(Zr,Ti)O3
O. Vlašín, R. Jarrier, R. Arras, L. Calmels, B. Warot-Fonrose, C. Marcelot, M. Jamet, P. Ohresser, F. Scheurer, R. Hertel, G. Herranz, S. Cherifi-Hertel
ACS Appl. Mater. Interfaces 8, 7553 (2016)
Broken vertex symmetry and finite zero-point entropy in the artificial square ice ground state
S. Gliga, A. Kákay, L. J. Heyderman, R. Hertel, and O. G. Heinonen
Phys. Rev. B 92, 060413(R) (2015)
Spin-torque-induced dynamics at fine-split frequencies in nano-oscillators with two stacked vortices
V. Sluka, A. Kákay, A. M. Deac, D. E. Bürgler, C. M. Schneider, and R. Hertel
Nature Communications 6:6409 (2015)
Macroscopic drift current in the inverse Faraday effect
R. Hertel and M. Fähnle
Phys. Rev. B. 91, 020441(R) (2015)
Mechanisms for the symmetric and antisymmetric switching of a magnetic vortex core: Differences and common aspects
M. Noske, H. Stoll, M. Fähnle, R. Hertel, and G. Schütz
Phys. Rev. B 91, 014414 (2015)
Analytic form of transverse head-to-head domain walls in thin cylindrical wires
R. Hertel and A. Kákay
J. Magn. Magn. Mater. 379, 45 (2015)
The magnetoelectrochemical switch
P. L. Popa, N. T. Kemp, H. Majjad, G. Dalmas, V. Faramarzi, C. Andreas, R. Hertel, and B. Doudin
Proc. Natl. Acad. Sci. USA 111, 10433 (2014)
Hybrid finite-element/boundary-element method to calculate Oersted fields
R. Hertel and A. Kákay
J. Magn. Magn. Mater. 369, 189 (2014)
Multiscale and multimodel simulation of Bloch point dynamics
C. Andreas, A. Kákay, and R. Hertel
Phys. Rev. B 89, 134403 (2014)
Highlighted as “Editors’ Suggestion”
Selected for the April 2014 Kaleidoscope section of Phys. Rev. B
Numerical micromagnetism of strong inhomogeneities
C. Andreas, S. Gliga, and R. Hertel
J. Magn. Magn. Mater. 362, 7 (2014)
Role of the sample boundaries in the problem of dissipative magnetization dynamics
M. Fähnle, A. Slavin, and R. Hertel
J. Magn. Magn. Mater. 360, 126 (2014)
Proposal for a direct measurement of the nonadiabatic spin-transfer torque parameter ß and the spin-polarization rate P
M. Yan, A. Kákay, and R. Hertel
Phys. Rev. B 89, 054415 (2014)
Spin-Cherenkov effect and magnonic Mach cones
M. Yan, A. Kákay, C. Andreas, and R. Hertel
Phys Rev. B 88, 220412(R) (2013)
Curvature-Induced Magnetochirality
R. Hertel
SPIN 3, 134009 (2013)
Magnetic Nanostructures – Vortex states à la carte
R. Hertel
Nature Nanotechnology 8, 318 (2013)
Spectral analysis of topological defects in an artificial spin-ice lattice
S. Gliga, A. Kákay, R. Hertel, and O. Heinonen
Phys. Rev. Lett. 110, 117205 (2013)
Reported in Physics – Spotlighting Exceptional Research: “The Beat that Tells of Spin-Ice Monopoles” by D. Ucko
Highlighted as “Editors’ Suggestion”
Quenched Slonczewski-Windmill in Spin-Torque Vortex Oscillators
V. Sluka, A. Kákay, A. M. Deac, D. E. Bürgler, R. Hertel, and C. M. Schneider
Phys. Rev. B 86, 214422 (2012)
Chiral symmetry breaking and pair-creation mediated Walker breakdown in magnetic nanotubes
M. Yan, C. Andreas, A. Kákay, F. Garcia-Sanchez, and R. Hertel
Appl. Phys. Lett. 100, 252401 (2012)
Selected for the cover page of Appl. Phys. Lett. 100 (25) 2012
Disentangling the physical contributions to the electrical resistance in magnetic domain walls: A multiscale study
K. M. Seemann, F. Garcia-Sanchez, F. Kronast, J. Miguel, A. Kákay, C. M. Schneider, R. Hertel, F. Freimuth, Y. Mokrousov, and S. Blügel
Phys. Rev. Lett. 108, 077201 (2012)
Fast domain wall dynamics in magnetic nanotubes: Suppression of Walker breakdown and Cherenkov-like spin wave emission
M. Yan, C. Andreas, A. Kákay, F. Garcia-Sanchez, and R. Hertel
Appl. Phys. Lett. 99, 122505 (2011)
Selected for publication in the Virtual Journal of Nanoscale Science & Technology, Vol.24, No. 14 (2011)
Spin-transfer torque induced vortex dynamics in Fe/Ag/Fe nanopillars
V. Sluka, A. Kákay, A. M. Deac, D. E. Bürgler, R. Hertel, and C. M. Schneider
J. Phys. D: Appl. Phys. 44, 384002 (2011)
Element-Specific Magnetic Hysteresis of Individual 18 nm Fe Nanocubes
F. Kronast, N. Friedenberger, K. Ollefs, S. Gliga, L. Tati-Bismaths, R. Thies, A. Ney, R. Weber, Ch. Hassel, F. M. Römer, A. V. Trunova, Ch. Wirtz, R. Hertel, H. A. Dürr, and M. Farle
Nano Lett. 11, 1710 (2011)
Depinning of Transverse Domain Walls from Notches in Magnetostatically Coupled Nanostrips
F. Garcia-Sanchez, A. Kákay, R. Hertel, and P. Asselin
Appl. Phys. Exp. 4, 033001 (2011)
Azimuthal Spin Wave Modes Excited in an Elliptical Nanomagnet With Vortex Pair States
H. Zhang, Y. W. Liu, M. Yan, and R. Hertel
IEEE Trans. Mag. 46, 1675 (2010)
Speedup of FEM Micromagnetic Simulations with Graphical Processing Units
A. Kákay, E. Westphal, and R. Hertel
IEEE Trans. Mag. 46, 2303 (2010)
Large amplitude oscillations (switching) of bi-stable vortex structures in zero field
A. S. Arrott and R. Hertel
J. Magn. Magn. Mater. 322, 1389 (2010)
Beating the Walker Limit with massless domain walls in cylindrical nanowires
M. Yan, A. Kákay, S. Gliga, and R. Hertel
Phys. Rev. Lett. 104, 057201 (2010)
Imaging ferroelectric domains in multiferroics using a low-energy electron microscope in the mirror operation mode
S. Cherifi, R. Hertel, S. Fusil, H. Béa, K. Bouzehouane, J. Allibe, M. Bibes, and A. Barthélémy
phys. stat. sol.–Rapid Research Letters 4, 22 (2010)
For Faster Magnetic Switching – Destroy and Rebuild
R. Hertel
Physics – Spotlighting Exceptional Research 2, 73 (2009)
Magnetization dynamics in spin torque nano-oscillators: Vortex state versus uniform state
R. Lehndorff, D. E. Bürgler, S. Gliga, R. Hertel, P. Grünberg, C. M. Schneider, and Z. Celinski
Phys. Rev. B 80, 054412 (2009)
Influence of the dynamic dipolar interaction on the current-induced core switch in vortex pairs
Y. Liu, Z. Hou, S. Gliga, and R. Hertel
Phys. Rev. B 78, 104435 (2009)
Spin-Transfer Induced Dynamic Modes in Single-Crystalline Fe–Ag–Fe Nanopillars
R. Lehndorff, D. E. Bürgler, A. Kákay, R. Hertel, and C. M. Schneider
IEEE Trans. Mag. 44, 1951 (2008)
Influence of perpendicular magnetic fields on the domain structure of permalloy, microsctructures grown on thin membrane
C. Dietrich, R. Hertel, M. Huber, D. Weiss, R. Schäfer, and J. Zweck
Phys. Rev. B 77, 174427 (2008)
Highlighted as “Editors’ Suggestion”
Formation and transformation of vortex structures in soft ferromagnetic ellipsoids
A. S. Arrott and R. Hertel
J. Appl. Phys. 103, 07E739 (2008)
Switching a magnetic antivortex core with ultrafast field pulses
S. Gliga, R. Hertel, and C. M. Schneider
J. Appl. Phys. 103, 07B115 (2008)
Ultrafast dynamics of a magnetic antivortex - Micromagnetic simulations
S. Gliga, M. Yan, R. Hertel, and C. M. Schneider
Phys. Rev. B 77, 060404(R) (2008)
Flipping magnetic vortex cores on the picosecond time scale
S. Gliga, R. Hertel, and C. M. Schneider
Physica B 403, 334 (2008)
Asymmetric spin-transfer torque in single-crystalline Fe/Ag/Fe nanopillars
R. Lehndorff, M. Buchmeier, D. E. Bürgler, A. Kákay, R. Hertel, and C. M. Schneider
Phys. Rev. B 76, 214420 (2007)
Selected for publication in the Virtual Journal of Nanoscale Science & Technology, Vol.17, No. 2 (2008)
Calculations of three-dimensional magnetic normal modes in mesoscopic Permalloy prisms with vortex structure
M. Yan, R. Hertel, and C. M. Schneider
Phys. Rev. B 76, 094407 (2007)
Current-induced magnetic vortex core switching in a Permalloy nanodisk
Y. Liu, S. Gliga, R. Hertel, and C. M. Schneider
Appl. Phys. Lett. 91, 112501 (2007)
Selected for the title page of the September 10, 2007 issue of Appl. Phys. Lett.
Tuning the domain wall orientation in thin magnetic strips by means of induced anisotropy
S. Cherifi, R. Hertel, A. Locatelli, Y. Watanabe, G. Potdevin , A. Ballestrazzi , M. Balboni, and S. Heun
Appl. Phys. Lett. 91, 092502 (2007)
Magnetization Reversal of Micron-Scale Cobalt Structures with a Nanoconstriction
G. Sarau, S. Gliga, R. Hertel, and C. M. Schneider
IEEE Trans. Mag. 43, 2854 (2007)
Mode Anticipation Fields for Symmetry Breaking
A. S. Arrott and R. Hertel
IEEE Trans. Mag. 43, 2911 (2007)
Ferromagnetic resonance study of thin film antidot arrays
O. N. Martyanov, V. F. Yudanov, R. N. Lee, S. A. Nepijko, H. J. Elmers, R. Hertel, C. M. Schneider, and G. Schönhense
Phys. Rev. B 75, 174429 (2007)
Dynamic Properties of Arrays of Ferromagnetic Rectangular Bars
R. Adam, Y. Khivintsev, R. Hertel, C. M. Schneider, A. Hutchison, R. Camley, and Z. Celinski
J. Appl. Phys. 101, 09F516 (2007)
Ultrafast Nanomagnetic Toggle Switching of Vortex Cores
R. Hertel, S. Gliga, M. Fähnle, and C. M. Schneider
Phys. Rev. Lett. 98, 117201 (2007)
Selected for publication in:
Virtual Journal of Nanoscale Science & Technology, Vol.15, No. 12 (2007)
Virtual Journal of Ultrafast Science, April (2007)
Magnetic vortex core reversal by excitation with short bursts of an alternating field
B. Van Waeyenberge, A. Puzic, H. Stoll, K. W. Chou, T. Tyliszczak, R. Hertel, M. Fähnle, H. Brückl, K. Rott, G. Reiss, I. Neudecker, D. Weiss, C. H. Back, and G. Schütz
Nature 444, 461 (2006)
Exchange Explosions: Magnetization Dynamics During Vortex-Antivortex Annihilation
R. Hertel and C. M. Schneider
Phys. Rev. Lett. 97, 177202 (2006)
Selected for publication in the Virtual Journal of Nanoscale Science & Technology, Vol.14, No. 19 (2006)
Microscopy of mesoscopic ferromagnetic systems with slow electrons
E. Bauer, R. Belkou, S. Cherifi, R. Hertel, S. Heun, A. Locatelli, A. Pavlovska, R. Zdyb, N. Agarwal, and H. Wang
Surface and Interface Analysis 38, 1622 (2006)
Theory of the Inverse Faraday Effect in Metals
R. Hertel
J. Magn. Magn. Mater. 303, L1 (2006)
Three-dimensional magnetic flux-closure patterns in mesoscopic Fe islands
R. Hertel, O. Fruchart, S. Cherifi, P.-O. Jubert, S. Heun, A. Locatelli, and J. Kirschner
Phys. Rev. B 72, 214409 (2005)
Influence of domain wall interactions on nanosecond switching in magnetic tunnel junctions
J. Vogel, W. Kuch, R. Hertel, J. Camarero, K. Fukumoto, F. Romanens, S. Pizzini, M. Bonfirm, F. Petro, A. Fontaine, and J. Kirschner
Phys. Rev. B 72, 220402(R) (2005)
Virgin domain structures in mesoscopic Co patterns: Comparison between simulation and experiment
S. Cherifi, R. Hertel, H. Wang, R. Belkhou, A. Locatelli, S. Heun, A. Pavlovska, and E. Bauer
J. Appl. Phys. 98, 043901 (2005)
Domain-wall induced phase shifts in spin waves
R. Hertel, W. Wulfhekel, and J. Kirschner
Phys. Rev. Lett. 93, 257202 (2004)
Angular dependence of magnetization switching for a multi-domain dot: experiment and simulation
O. Fruchart, J.-C. Toussaint, P.-O. Jubert, W. Wernsdorfer, R. Hertel, J. Kirschner, and D. Mailly
Phys. Rev. B 70, 172409 (2004)
Magnetic domains in a textured Co nanopillar
W. Brückner, J. Thomas, R. Hertel, R. Schäfer, and C. M. Schneider
J. Magn, Magn. Mater. 283, 82 (2004)
Spin-polarized scanning tunneling spectroscopy study of Fe nanomagnets on W(001)
A. Yamasaki, W. Wulfhekel, R. Hertel, S. Suga, and J. Kirschner
J. Appl. Phys. 95, 7025 (2004)
Magnetic drops in a soft magnetic cylinder
R. Hertel and J. Kirschner
J. Magn. Magn. Mater. 278, L291 (2004)
Resonant modes of vortex structures in soft-magnetic nanodiscs
R. Hertel and J. Kirschner
J. Magn. Magn. Mater. 272-276, 655 (2004)
Magnetization reversal dynamics in Nickel nanowires
R. Hertel and J. Kirschner
Physica B 343, 206 (2004)
Critical thickness of domain formations in cubic particles and thin films
H. Kronmüller, D. Goll, R. Hertel, and G. Schütz
Physica B 343, 229 (2004)
Dynamics of solenoidal magnetic structures in soft-magnetic thin film elements
R. Hertel
J. Magn. Magn. Mater. 270, 364 (2004)
Growth and magnetism of Fe nanostructures on W(001)
W. Wulfhekel, F. Zavaliche, R. Hertel, S. Bodea, G. Steierl, G. Liu, and J. Kirschner
Phys. Rev. B 68, 144416 (2003)
Direct Observation of the Single-Somain Limit of Fe Nanomagnets by Spin-Polarized Scanning Tunneling Microscopy
A. Yamasaki, W. Wulfhekel, R. Hertel, S. Suga, and J. Kirschner
Phys. Rev. Lett. 91, 127201 (2003)
Concentric domains in patterned thin films with perpendicular magnetic anisotropy
J. K. Ha, R. Hertel, and J. Kirschner
Europhys. Lett. 64, 810 (2003)
Configurational stability and magnetization processes in submicron ferromagnetic Discs
J. K. Ha, R. Hertel, and J. Kirschner
Phys. Rev. B. 67, 064418 (2003)
Micromagnetic study of magnetic configurations in submicron permalloy disks
J. K. Ha, R. Hertel, and J. Kirschner
Phys. Rev. B. 67, 224432 (2003)
Switching behavior of single nanowires inside dense nickel nanowire arrays
K. Nielsch, R. Hertel, R. B. Wehrspohn, J. Barthel, J. Kirschner, U. Gösele, S. F. Fischer, and H. Kronmüller
IEEE Trans. Magn. 38, 2571 (2002)
Thickness dependence of magnetization structures in thin Permalloy rectangles
R. Hertel
Zeitschrift für Metallkunde 93, 957 (2002)
Amorphous, low magnetostriction tips for spin-polarized scanning tunnelling microscopy
W. Wulfhekel, R. Hertel, H. F. Ding, G. Steierl, and J. Kirschner
J. Magn. Magn. Mater. 249, 368 (2002)
Finite Element calculations on the Single-Domain Limit of a ferromagnetic Cube - A Solution to µMAG Standard Problem No. 3
R. Hertel and H. Kronmüller
J. Magn. Magn. Mater. 238, 185 (2002)
Computational micromagnetism of magnetization processes in Nickel nanowires
R. Hertel
J. Magn. Magn. Mater. 249, 251 (2002)
Micromagnetic simulations of magnetostatically coupled Nickel nanowires
R. Hertel
J. Appl. Phys. 90, 5752 (2001)
Irreversible magnetization processes in a soft magnetic platelet
R. Hertel and H. Kronmüller
Physica B 275, 1 (2000)
Computational micromagnetism of magnetic structures and magnetization processes in small particles
H. Kronmüller and R. Hertel
J. Magn. Magn. Mater. 215-216, 11 (2000)
Micromagnetic simulation of the domain structure of a flat rectangular permalloy prism
R. Hertel and H. Kronmüller
J. Appl. Phys. 85, 6190 (1999)
Computation of the magnetic domain structure in bulk Permalloy
R. Hertel and H. Kronmüller
Phys. Rev. B 60, 7366 (1999)
Adaptive Finite Element Mesh Refinement Techniques in Three-Dimensional Micromagnetic Modeling
R. Hertel and H. Kronmüller
IEEE Trans. Magn. 34, 3922 (1998)
Micromagnetism and the Microstructure in nanocrystalline materials
H. Kronmüller, R. Fischer, R. Hertel, and T. Leineweber
J. Magn. Magn. Mater. 175, 177 (1997)
Conference Proceedings
Invited book chapters
Multiscale simulation of Bloch point dynamics in thick nanowires
R. Hertel and C. Andreas
in Magnetic Nano- and Microwires
M. Vázquez (Ed.)
Woodhead Publishing, Elsevier Ltd., Oxford, UK, pp 653-677 (2015)
Micromagnetism
R. Hertel
in Spintronics – from GMR to applications
Lecture notes of the 40th IFF-Spring School (2009)
Guided Spin Waves
R. Hertel
in Handbook of Magnetism and Advanced Magnetic Materials
H. Kronmüller and S. Parkin (eds.)
John Wiley and Sons Ltd, Chichester, UK, pp 1003-1020 (2006)
High-density nickel nanowire arrays K. Nielsch, R. Hertel, and R. Wehrspohn
in Ordered Porous Nanostructures and Applications
Springer, New York (2005)
Computational micromagnetism of magnetic structures and magnetization processes in small particles and thin platelets
H. Kronmüller and R. Hertel
in Magnetic systems beyond 2000
NATO Science Series II, Vol. 41, p. 345
Kluwer Academic Publishers (2001)
Monographs
Statische und dynamische Magnetisierung
(Static and dynamic magnetization)
R. Hertel
Habilitation
Max-Planck-Institute of Microstructure Physics and University of Halle-Wittenberg, Germany (2005)
Untersuchung magnetischer Strukturen in weichmagnetischen Dünnschichtelementen
(Investigation of magnetic structures in soft-magnetic thin-film elements)
R. Hertel
Ph.D. Thesis
Max-Planck-Institut für Metallforschung and University of Stuttgart, Germany (1999)
Drehimpulsübertragung elektromagnetischer Wellen auf ein Plasma
(Transfer of angular momentum of electromagnetic waves in a plasma)
R. Hertel
Diploma Thesis
Institut für Plasmaforschung, University of Stuttgart, Germany (1996)
Other