Ahrens Valentin

Valentin Ahrens, M.Sc.

Technical University of Munich

Phone: +49 (89) 289 - 51055
Homepage: https://www.ee.cit.tum.de/nmd/
valentin.ahrens@tum.de

Download vCard file from TUMonline

Google Scholar & ORCID ID

Google Scholar

ORCID ID

Supervising & Tutoring

Teaching

Winter term 2024/25

Course no.	Title	Duration	Type	Lecturer (assistant)
0000004478	Doctoral Candidates Seminar Chip-based Magnetic Sensor Technology	2	SE	M. Becherer [L] M. Becherer [L] V. Ahrens J. Greil F. Naunheimer
0000002176	Nanomagnetic Devices Lab	6	PR	M. Becherer [L] M. Becherer [L] J. Greil F. Naunheimer V. Ahrens
0000005261	Practical course Technology of Semiconductor Device	6	PR	M. Becherer [L] M. Becherer [L] V. Ahrens A. Kwiatkowski
0240917101	Silicon Semiconductor Technology (Practical)	1	UE	M. Becherer [L] V. Ahrens

MA: Master Thesis, BA: Bachelor Thesis, DA: Diploma Thesis,
FP: Forschungspraxis, IP: Ingenieurpraxis

Publications

Search

No result

Note: This “quick search” only finds text in the shown fields, not in abstracts or keywords. The search term must have at least 3 letters.

2023

Ahrens, Valentin; Kiesselbach, Clara; Gnoli, Luca; Giuliano, Domenico; Mendisch, Simon; Kiechle, Martina; Riente, Fabrizio; Becherer, Markus: Skyrmions Under Control—FIB Irradiation as a Versatile Tool for Skyrmion Circuits. Advanced Materials 35 (2), 2023, 2207321 more… BibTeX Full text ( DOI )
Favaro, Diego; Gnoli, Luca; Ahrens, Valentin; Mendisch, Simon; Vacca, Marco; Turvani, Giovanna; Becherer, Markus; Riente, Fabrizio: Enabling logic computation between Ta/CoFeB/MgO nanomagnets. IEEE Transactions on Magnetics, 2023 more… BibTeX Full text ( DOI )
Giuliano, Domenico; Gnoli, Luca; Ahrens, Valentin; Roch, Massimo Ruo; Becherer, Markus; Turvani, Giovanna; Vacca, Marco; Riente, Fabrizio: Ga+ Ion Irradiation-Induced Tuning of Artificial Pinning Sites to Control Domain Wall Motion. ACS Applied Electronic Materials 5 (2), 2023, 985--993 more… BibTeX Full text ( DOI )
Greil, Johannes; Golibrzuch, Matthias; Kiechle, Martina; Papp, Ádám; Ahrens, Valentin; Csaba, György; Becherer, Markus: Secondary Excitation of Spin-Waves: How Electromagnetic Cross-Talk Impacts on Magnonic Devices. arXiv preprint arXiv:2303.11303, 2023 more… BibTeX Full text ( DOI )
Kiechle, Martina; Papp, Adam; Mendisch, Simon; Ahrens, Valentin; Golibrzuch, Matthias; Bernstein, Gary H; Porod, Wolfgang; Csaba, Gyorgy; Becherer, Markus: Spin-Wave Optics in YIG Realized by Ion-Beam Irradiation. Small, 2023, 2207293 more… BibTeX Full text ( DOI )

2022

Ahrens, V.; Gnoli, L.; Giuliano, D.; Mendisch, S.; Kiechle, M.; Riente, F.; Becherer, M.: Skyrmion velocities in FIB irradiated W/CoFeB/MgO thin films. AIP Advances 12, 035325 2022-03, 2022 more… BibTeX Full text ( DOI )
Kiechle, M.; Maucha, L.; Ahrens, V.; Dubs, C.; Porod, W.; Csaba, G.; Becherer, M.; Papp, A.: Experimental Demonstration of a Spin-Wave Lens Designed with Machine Learning. arXiv:2207.00055 [physics.app-ph] 2022-06, 2022 more… BibTeX
Kiechle, M.; Papp, A.; Mendisch, S.; Ahrens, V.; Golibrzuch, M.; Bernstein, G.H.; Porod, W.; Csaba, G.; Becherer, M.: Spin-Wave Optics in YIG by Ion-Beam Irradiation. arXiv:2206.14696 [physics.app-ph] 2022-06, 2022 more… BibTeX

2021

Ahrens, V.; Mendisch, S.; Kaiser, W.; Kiechle, M.; Breitkreutz-v. Gamm, S.; Becherer, M.: Focused Ion Beam Irradiation for Generation of Skyrmionic Bubble Like Structures. Journal of Magnetism and Magnetic Materials Volume 523, 1 April 2021, 167591 2021-04, 2021 more… BibTeX Full text ( DOI )
Flacke, L.; Ahrens, V.; Mendisch, S.; Körber, L.; Böttcher, T.; Meidinger, E.; Yaqoob, M.; Müller, M.; Liensberger, L.; Kákay, A.; Becherer, M.; Pirro, P.; Althammer, M.; Geprägs, S.; Huebl, H.; Gross, R.; Weiler, M.: Robust formation of nanoscale magnetic skyrmions in easy-plane thin film multilayers with low damping. arXiv:2102.11117 [cond-mat.mtrl-sci] 2021-02, 2021 more… BibTeX
Flacke, L.; Ahrens, V.; Mendisch, S.; Körber, L.; Böttcher, T.; Meidinger, E.; Yaqoob, M.; Müller, M.; Liensberger, L.; Kákay, A.; Becherer, M.; Pirro, P.; Althammer, M.; Geprägs, S.; Huebl, H.; Gross, R.; Weiler, M.: Robust formation of nanoscale magnetic skyrmions in easy-plane anisotropy thin film multilayers with low damping. Phys. Rev. B 104, L100417 2021-09, 2021 more… BibTeX Full text ( DOI )
Flacke, L.; Ahrens, V.; Mendisch, S.; Körber, L.; Kákay, A.; Meidinger, E.; Yaqoob, M.; Becherer, M.; Liensberger, L.; Althammer, M.; Huebl, H.; Geprägs, S.; Gross, R.; Weiler, M.: Abstract: U71.00191 : Chiral Magnetic Texture and Spin Dynamics in Magnetic Superlattices. APS March Meeting , American Physical Society APS, 202115-19 March 2021-03, Bulletin of the American Physical Society more… BibTeX
Mendisch, S.; Riente, F.; Ahrens, V.; Gnoli, L.; Haider, M.; Opel, M.; Kiechle, M.; Ruo Roch, M.; Becherer, M.: Controlling Domain-Wall Nucleation in Ta/CoFeB/MgO Nanomagnets via Local Ga+ Ion Irradiation. arXiv:2102.07540v1 [cond-mat.mes-hall] 2021-02, 2021 more… BibTeX Full text ( DOI )
Papp, A.; Kiechle, M.; Mendisch, S.; Ahrens, V.; Sahin, L.; Seitner, L.; Porod, W.; Csaba, G.; Becherer, M.: Experimental demonstration of a concave grating for spin waves in the Rowland arrangement. Sci Rep 11, 14239 2021-07, 2021 more… BibTeX Full text ( DOI )
Papp, A.; Kiechle, M.; Mendisch, S.; Ahrens, V.; Sahin, L.; Seitner, L.; Porod, W.; Csaba, G.; Becherer, M.: Experimental Demonstration of a Rowland Spectrometer for Spin Waves. arXiv:2103.06165v1 [physics.app-ph] 2021-03, 2021 more… BibTeX Full text ( DOI )

2020

Ahrens, V.; Mendisch, S.; Kaiser W.; Kiechle, M.; Becherer, M.: FIB Induced Formation of Artificial Skyrmion Bubble Lattices. 710. WE-Heraeus-Seminar / Spin Transport in Complex Magnetic Structures Congress, 2020Bad Honnef, 08 - 10 Jan 2020-01 more… BibTeX
Mendisch, S.; Ahrens, V.; Kiechle, M.; Papp, A.; Becherer, M.: Perpendicular Nanomagnetic Logic Based on Low Anisotropy Co\Ni Multilayer. Journal of Magnetism and Magnetic Materials 166626 2020-02, 2020 more… BibTeX Full text ( DOI )
Riente, F.; Mendisch, S.; Gnoli, L.; Ahrens, V.; Ruo Roch, M.; Becherer, M.: Ta/CoFeB/MgO analysis for low power nanomagnetic devices. AIP Advances > Volume 10, Issue 12 > 10.1063/9.0000013 2020-12, 2020 more… BibTeX Full text ( DOI )

2019

Ahrens, V.; Mendisch, S.; Kaiser W.; Kiechle, M.; Becherer, M.: Towards Skyrmionic Devices – A feasibility Study. JEMS (Joint European magnetic Symposia) Congress , 2019Uppsala, Sweden, 26-30 Aug 2019-08 more… BibTeX
Ahrens, V.; Mendisch, S.; Kaiser W.; Kiechle, M.; Becherer, M.: FIB tuned magnetic multilayers for Skyrmions. Skyrmionics Workshop (SPICE) , 2019Mainz, Germany, 17-19 Sep 2019-09 more… BibTeX
Ahrens, V.; Mendisch, S.; Kiechle, M.; Becherer, M.: Pt/Co/Ir and Pt/Co/W Multilayers for Skyrmion Devices. SPP2137 – Skyrmionics Meeting Congress, TUM / DFG, 2019Munich, Germany, 27-28 Feb 2019-02 more… BibTeX
Ahrens, V.; Mendisch, S.; Kiechle, M.; Papp, A.; Becherer, M.: Pt\Co\Ir and Pt\Co\W multilayers as hosts for Skyrmion devices. DPG Spring Meeting, Magnetism Division Congress , Deutsche Physikalische Gesellschaft e.V. DPG, Regensburg, 2019Munich, Germany, 01-05 Apr 2019-04 more… BibTeX
Mendisch, S.; Žiemys, G.; Ahrens, V.; Papp, A.; Becherer, M.: Pt⧹Co⧹W as a Candidate for Low Power Nanomagnetic Logic. Journal of Magnetism and Magnetic Materials Available online 21 March In Press, Accepted Manuscript 2019-03, 2019 more… BibTeX Full text ( DOI )

2018

Ahrens, V.; Žiemys, G.; Mendisch, S.; Becherer, M.: Domain Wall Propagation in Exchange Coupled Pt/Co/Ir Multilayers. JEMS , Mainz Congress , 2018Mainz, Germany, 03-07 Sep 2018-09 more… BibTeX
Ziemys, G.; Ahrens, V.; Mendisch, S.; Csaba, G.; Becherer, M.: Speeding up nanomagnetic logic by DMI enhanced Pt/Co/Ir films. AIP Advances 8, 056310 2018-01, 2018 more… BibTeX Full text ( DOI )
Žiemys, G.; Ahrens, V.; Mendisch, S.; Csaba, G.; Becherer, M.: Speeding up nanomagnetic logic by DMI enhanced Pt/Co/Ir films. AIP Advances 8, 056310 Volume 8, Issue 5 2018-01, 2018, 056310 more… BibTeX Full text ( DOI )