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Terahertz RAdio communication using high ANistropy SPIn torque REsonators

Deliverables

Seed layer report for ferrimagnetic films

Report on growth parameters for conducting (and insulating) seed-layers with in-plane epitaxy for low-moment materials established

First GMR/TMR measurement

Measurement of initial GMR/TMR in a patterned multi-layer from TCD

Field dispersion of resonance > 500 GHz

Measurement of resonant excitations above 0.5 THz in a candidate Heusler film and characterisation of the dispersion as a function of applied field

ST in devices including phonon/magnon dispersion

ab initio investigation of candidate devices including electrode phonon and magnon dispersion as a function of spin-angle including spin-torque under high applied bias

FMR below 50 GHz on a ferrimagnet

Report on the FMR dispersion of a tailored ferrimagnet with a resonance frequency < 50 GHz

Spin transport theory in ferrimagnets/normal metals

Establish the nature, magnitude, and microscopic details of spin-torque and spin-pumping between low-moment ferrimagnets and normal metals

Film with Ms < 100 kA/m, P > 60% on high-Z seed

Blanket films with Ms tuneable by temperature or doping (-100 kA/m < Ms < 100 kA/m) with a spin polarization P > 60 % grown on high-Z metal with interface roughness < 0.5 nm for spin-pumping experiments

Zero-field resonant excitation of order 0.5 THz

Resonant excitation in zero-field of an ferrimagnet film with a resonance frequency of order 0.5 THz

Kick-off meeting w/media

Kick off meeting organized w/media announcement (with timetable of 6-monthly face-to-face meetings)

Website (with logo) operational

Operational website with logo, public front end and measures to ensure regular updates

Data Management Plan

Establishment of a draft Data Management Plan for all datasets

Searching for OpenAIRE data...

Publications

Magnetization and anisotropy of cobalt ferrite thin films

Author(s): F. Eskandari, S. B. Porter, M. Venkatesan, P. Kameli, K. Rode, J. M. D. Coey
Published in: Physical Review Materials, Issue 1/7, 2017, ISSN 2475-9953
DOI: 10.1103/PhysRevMaterials.1.074413

Magnetic Dead Layers in La 0.7 Sr 0.3 MnO 3 Revisited

Author(s): S. B. Porter, M. Venkatesan, P. Dunne, B. Doudin, K. Rode, J. M. D. Coey
Published in: IEEE Transactions on Magnetics, Issue 53/11, 2017, Page(s) 1-4, ISSN 0018-9464
DOI: 10.1109/TMAG.2017.2731124

Structure, site-specific magnetism, and magnetotransport properties of epitaxial D 0 22 -structure Mn 2

Author(s): Davide Betto, Yong-Chang Lau, Kiril Borisov, Kurt Kummer, N. B. Brookes, Plamen Stamenov, J. M. D. Coey, Karsten Rode
Published in: Physical Review B, Issue 96/2, 2017, ISSN 2469-9950
DOI: 10.1103/PhysRevB.96.024408

Study of the Effect of Annealing on the Properties of Mn 2 Ru <italic>x</italic> Ga Thin Films

Author(s): K. E. Siewierska, G. Atcheson, K. Borisov, M. Venkatesan, K. Rode, J. M. D. Coey
Published in: IEEE Transactions on Magnetics, Issue 53/11, 2017, Page(s) 1-5, ISSN 0018-9464
DOI: 10.1109/TMAG.2017.2704778

Exchange coupling of a perpendicular ferromagnet to a half-metallic compensated ferrimagnet via a thin hafnium interlayer

Author(s): Kiril Borisov, Gwenaël Atcheson, Gavin D'Arcy, Yong-Chang Lau, J. M. D. Coey, Karsten Rode
Published in: Applied Physics Letters, Issue 111/10, 2017, Page(s) 102403, ISSN 0003-6951
DOI: 10.1063/1.5001172

Spin pumping and inverse spin Hall voltages from dynamical antiferromagnets

Author(s): Øyvind Johansen, Arne Brataas
Published in: Physical Review B, Issue 95/22, 2017, ISSN 2469-9950
DOI: 10.1103/PhysRevB.95.220408

Imaging Domains in a Zero-Moment Half Metal

Author(s): K. E. Siewierska, N. Teichert, R. Schafer, J. M. D. Coey
Published in: IEEE Transactions on Magnetics, 2018, Page(s) 1-4, ISSN 0018-9464
DOI: 10.1109/TMAG.2018.2869016

Magneto-optic Kerr effect in a spin-polarized zero-moment ferrimagnet

Author(s): Karsten Fleischer, Naganivetha Thiyagarajah, Yong-Chang Lau, Davide Betto, Kiril Borisov, Christopher C. Smith, Igor V. Shvets, J. M. D. Coey, Karsten Rode
Published in: Physical Review B, Issue 98/13, 2018, Page(s) 134445, ISSN 2469-9950
DOI: 10.1103/PhysRevB.98.134445

Magnetocrystalline anisotropy and exchange probed by high-field anomalous Hall effect in fully compensated half-metallic Mn 2 Ru x Ga thin films

Author(s): Ciarán Fowley, Karsten Rode, Yong-Chang Lau, Naganivetha Thiyagarajah, Davide Betto, Kiril Borisov, Gwenaël Atcheson, Erik Kampert, Zhaosheng Wang, Ye Yuan, Shengqiang Zhou, Jürgen Lindner, Plamen Stamenov, J. M. D. Coey, Alina Maria Deac
Published in: Physical Review B, Issue 98/22, 2018, Page(s) 220406, ISSN 2469-9950
DOI: 10.1103/physrevb.98.220406

Magnetic field dependence of antiferromagnetic resonance in NiO

Author(s): Zhe Wang, S. Kovalev, N. Awari, Min Chen, S. Germanskiy, B. Green, J.-C. Deinert, T. Kampfrath, J. Milano, M. Gensch
Published in: Applied Physics Letters, Issue 112/25, 2018, Page(s) 252404, ISSN 0003-6951
DOI: 10.1063/1.5031213

Selective THz control of magnetic order: new opportunities from superradiant undulator sources

Author(s): S Kovalev, Zhe Wang, J-C Deinert, N Awari, M Chen, B Green, S Germanskiy, T V A G de Oliveira, J S Lee, A Deac, D Turchinovich, N Stojanovic, S Eisebitt, I Radu, S Bonetti, T Kampfrath, M Gensch
Published in: Journal of Physics D: Applied Physics, Issue 51/11, 2018, Page(s) 114007, ISSN 0022-3727
DOI: 10.1088/1361-6463/aaac75

Flat Bands, Indirect Gaps, and Unconventional Spin-Wave Behavior Induced by a Periodic Dzyaloshinskii-Moriya Interaction

Author(s): R. A. Gallardo, D. Cortés-Ortuño, T. Schneider, A. Roldán-Molina, Fusheng Ma, R. E. Troncoso, K. Lenz, H. Fangohr, J. Lindner, P. Landeros
Published in: Physical Review Letters, Issue 122/6, 2019, Page(s) 067204, ISSN 0031-9007
DOI: 10.1103/physrevlett.122.067204

Antiferromagnetic single-layer spin-orbit torque oscillators

Author(s): Roberto E. Troncoso, Karsten Rode, Plamen Stamenov, J. Michael D. Coey, Arne Brataas
Published in: Physical Review B, Issue 99/5, 2019, Page(s) 054433, ISSN 2469-9950
DOI: 10.1103/PhysRevB.99.054433

Effect of insertion layer on electrode properties in magnetic tunnel junctions with a zero-moment half-metal

Author(s): Aleksandra Titova, Ciarán Fowley, Eugene Clifford, Yong-Chang Lau, Kiril Borisov, Davide Betto, Gwenael Atcheson, René Hübner, Chi Xu, Plamen Stamenov, Michael Coey, Karsten Rode, Jürgen Lindner, Jürgen Fassbender, Alina Maria Deac
Published in: Scientific Reports, Issue 9/1, 2019, Page(s) 4020, ISSN 2045-2322
DOI: 10.1038/s41598-019-40609-3

Magnetization dynamics of the compensated ferrimagnet Mn 2 Ru x Ga

Author(s): G. Bonfiglio, K. Rode, K. Siewerska, J. Besbas, G. Y. P. Atcheson, P. Stamenov, J. M. D. Coey, A. V. Kimel, Th. Rasing, A. Kirilyuk
Published in: Physical Review B, Issue 100/10, 2019, ISSN 2469-9950
DOI: 10.1103/physrevb.100.104438

Magnon decay theory of Gilbert damping in metallic antiferromagnets

Author(s): Haakon T. Simensen, Akashdeep Kamra, Roberto E. Troncoso, Arne Brataas
Published in: Physical Review B, Issue 101/2, 2020, ISSN 2469-9950
DOI: 10.1103/physrevb.101.020403

Magnon-polarons in cubic collinear antiferromagnets

Author(s): Haakon T. Simensen, Roberto E. Troncoso, Akashdeep Kamra, Arne Brataas
Published in: Physical Review B, Issue 99/6, 2019, ISSN 2469-9950
DOI: 10.1103/physrevb.99.064421

Many-body theory of spin-current driven instabilities in magnetic insulators

Author(s): Roberto E. Troncoso, Arne Brataas, Rembert A. Duine
Published in: Physical Review B, Issue 99/10, 2019, ISSN 2469-9950
DOI: 10.1103/physrevb.99.104426