Zobrazeno 1 - 10 of 75 pro vyhledávání: '"Maria Gloria Pini"'
1
Brillouin light scattering investigations of films and magnetic tunnel junctions with perpendicular magnetic anisotropy at the CoFeB-MgO interface
Autor: Johan Åkerman, Silvia Tacchi, Francesca Casoli, Angelo Rettori, T.-B.-T. Le, Q N Pham, Marco Madami, T N Anh Nguyen, H L Pham, Maria Gloria Pini
Publikováno v: Journal of physics. D, Applied physics (Online) 54 (2021): 135005-1–135005-10. doi:10.1088/1361-6463/abd70f
info:cnr-pdr/source/autori:Tacchi S.; Casoli F.; Pini M.G.; Rettori A; M Madami M.; Åkerman J.; Le T.T.; Pham Q.N.; Pham H.L.; Anh Nguyen T.N./titolo:Brillouin light scattering investigations of films and magnetic tunnel junctions with perpendicular magnetic anisotropy at the CoFeB-MgO interface/doi:10.1088%2F1361-6463%2Fabd70f/rivista:Journal of physics. D, Applied physics (Online)/anno:2021/pagina_da:135005-1/pagina_a:135005-10/intervallo_pagine:135005-1–135005-10/volume:54
Alternating gradient force magnetometry and Brillouin light scattering (BLS) experiments were exploited to investigate the perpendicular magnetic anisotropy (PMA) localized at the CoFeB–MgO interface, both in Ta/CoFeB/MgO heterostructures (bottom s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::826052ed343d22b455b5540b7107c475
https://publications.cnr.it/doc/443515
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2
Stripe domains reorientation in ferromagnetic films with perpendicular magnetic anisotropy
Autor: Louis-Charles Garnier, Maria Gloria Pini, Mahmoud Eddrief, Angelo Rettori, Silvia Tacchi, Diego Bisero, Francesca Casoli, Massimiliano Marangolo, Samuele Fin
Publikováno v: Journal of Physics: Materials
Journal of Physics: Materials, IOP Science, 2020, 3 (2), pp.024001. ⟨10.1088/2515-7639/ab6ea5⟩
JPhys materials Online 3 (2020): 024001-1–024001-25. doi:10.1088/2515-7639/ab6ea5
info:cnr-pdr/source/autori:Louis-Charles Garnier; Massimiliano Marangolo; Mahmoud Eddrief; Diego Bisero; Samuele Fin; Francesca Casoli; Maria Gloria Pini; Angelo Rettori; Silvia Tacchi/titolo:Stripe domains reorientation in ferromagnetic films with perpendicular magnetic anisotropy/doi:10.1088%2F2515-7639%2Fab6ea5/rivista:JPhys materials Online/anno:2020/pagina_da:024001-1/pagina_a:024001-25/intervallo_pagine:024001-1–024001-25/volume:3
Ferromagnetic thin films with moderate perpendicular magnetic anisotropy (PMA) are known to support weak stripe domains provided film thickness exceeds a critical value. In this work, we performed both an experimental and theoretical investigation of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::41a25bfbf1f90d60ba2483e5cb13ce61
https://hal.archives-ouvertes.fr/hal-02486887/document
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3
Straight motion of half-integer topological defects in thin Fe-N magnetic films with stripe domains
Autor: Maria Gloria Pini, Silvia Tacchi, Mahmoud Eddrief, L. C. Garnier, Diego Bisero, Angelo Rettori, Raffaele Silvani, C. Hepburn, Massimiliano Marangolo, Samuele Fin, Franck Fortuna
Publikováno v: Scientific Reports, Vol 8, Iss 1, Pp 1-13 (2018)
Scientific Reports
Scientific Reports, Nature Publishing Group, 2018, 8 (1), ⟨10.1038/s41598-018-27283-7⟩
Scientific reports (Nature Publishing Group) 8 (2018): 9339/1–9339/13. doi:10.1038/s41598-018-27283-7
info:cnr-pdr/source/autori:S. Fin (1); R. Silvani (2); S. Tacchi (3); M. Marangolo (4); L.-C. Garnier (4,5); M. Eddrief (4); C. Hepburn (4); F. Fortuna (6); A. Rettori (7); M. G. Pini (8); D. Bisero (1,9)/titolo:Straight motion of half-integer topological defects in thin Fe-N magnetic films with stripe domains/doi:10.1038%2Fs41598-018-27283-7/rivista:Scientific reports (Nature Publishing Group)/anno:2018/pagina_da:9339%2F1/pagina_a:9339%2F13/intervallo_pagine:9339%2F1–9339%2F13/volume:8
In thin magnetic films with perpendicular magnetic anisotropy, a periodic “up-down” stripe-domain structure can be originated at remanence, on a mesoscopic scale (~100 nm) comparable with film thickness, by the competition between short-range exc
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::be6d914f3c54f77d6ac433e6ff0fff3a
http://link.springer.com/article/10.1038/s41598-018-27283-7
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4
Strongly hybridized dipole-exchange spin waves in thin Fe-N ferromagnetic films
Autor: Silvia Tacchi, Maria Gloria Pini, Giovanni Carlotti, Massimiliano Marangolo, Angelo Rettori, Raffaele Silvani, Mahmoud Eddrief
Publikováno v: Physical Review B: Condensed Matter and Materials Physics (1998-2015)
Physical Review B: Condensed Matter and Materials Physics (1998-2015), American Physical Society, 2019, 100 (10), ⟨10.1103/PhysRevB.100.104406⟩
Physical review. B, Condensed matter and materials physics (Online) 100 (2019): 104406-1–104406-10. doi:10.1103/PhysRevB.100.104406
info:cnr-pdr/source/autori:Silvia Tacchi; Raffaele Silvani; Giovanni Carlotti; Massimiliano Marangolo; Mahmoud Eddrief; Angelo Rettori; Maria Gloria Pini/titolo:Strongly hybridized dipole-exchange spin waves in thin Fe-N ferromagnetic films/doi:10.1103%2FPhysRevB.100.104406/rivista:Physical review. B, Condensed matter and materials physics (Online)/anno:2019/pagina_da:104406-1/pagina_a:104406-10/intervallo_pagine:104406-1–104406-10/volume:100
Spin waves propagation in ferromagnetic films, several tens of nanometers thick, have recently received increasing attention, in view of the development of magnonic devices operating in the GHz range of frequencies. A detailed knowledge of the disper
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::42297fd6039f957460dc3c63865ddb90
https://hal.archives-ouvertes.fr/hal-02301875
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5
Linear magnetic susceptibility of a finite XY chain model with magnetic helices as metastable states
Autor: Maria Gloria Pini, Alexander V. Anisimov, Alexander P. Popov
Publikováno v: Journal of magnetism and magnetic materials 479 (2019): 105–113. doi:10.1016/j.jmmm.2019.02.017
info:cnr-pdr/source/autori:Alexander V. Anisimov (a), Maria Gloria Pini (b), Alexander P. Popov (a)/titolo:Linear magnetic susceptibility of a finite XY chain model with magnetic helices as metastable states/doi:10.1016%2Fj.jmmm.2019.02.017/rivista:Journal of magnetism and magnetic materials/anno:2019/pagina_da:105/pagina_a:113/intervallo_pagine:105–113/volume:479
A finite-size ferromagnetic chain of classical XY spins, where each of the two edge spins is exchange-coupled to a fictitious fully-pinned spin, is investigated in the presence of a weak in-plane perturbation (external magnetic field or uniaxial anis
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e8b6e124a78287d069c542a3f7a532da
http://www.cnr.it/prodotto/i/399784
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6
Magnetic helices as metastable states of finite XY ferromagnetic chains: An analytical study
Autor: Alexander P. Popov, Maria Gloria Pini
Publikováno v: Journal of magnetism and magnetic materials 451 (2017): 319–326. doi:10.1016/j.jmmm.2017.11.063
info:cnr-pdr/source/autori:Alexander P. Popov (a) ; Maria Gloria Pini (b)/titolo:Magnetic helices as metastable states of finite XY ferromagnetic chains: An analytical study/doi:10.1016%2Fj.jmmm.2017.11.063/rivista:Journal of magnetism and magnetic materials/anno:2017/pagina_da:319/pagina_a:326/intervallo_pagine:319–326/volume:451
We investigated a simple but non trivial model, consisting of a chain of N classical XY spins with nearest neighbor ferromagnetic interaction, where each of the two end-point spins is assumed to be exchange-coupled to a fully-pinned fictitious spin.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e491c0a51893ce4a86ce12225587004c
https://www.sciencedirect.com/science/article/pii/S0304885317316931
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7
Tunable spin-wave frequency gap in anisotropy-graded FePt films obtained by ion irradiation
Autor: A. di Bona, Silvia Tacchi, Sergio Valeri, P. Lupo, Maria Gloria Pini, Francesca Casoli, Angelo Rettori, Franca Albertini, Gaspare Varvaro
Publikováno v: Physical review. B, Condensed matter and materials physics (Online) 94 (2016): 024432-1–024432-8. doi:10.1103/PhysRevB.94.024432
info:cnr-pdr/source/autori:S. Tacchi(1); M.G. Pini (2); A. Rettori (3,4); G. Varvaro (5); A. di Bona (4); S. Valeri (4,6); F. Albertini (7); P. Lupo (8); F. Casoli (7)/titolo:Tunable spin-wave frequency gap in anisotropy-graded FePt films obtained by ion irradiation/doi:10.1103%2FPhysRevB.94.024432/rivista:Physical review. B, Condensed matter and materials physics (Online)/anno:2016/pagina_da:024432-1/pagina_a:024432-8/intervallo_pagine:024432-1–024432-8/volume:94
The effect of graded anisotropy on static and dynamic magnetic properties of ${\mathrm{Ar}}^{+}$-irradiated FePt films has been investigated by static magnetometry, magnetic force microscopy, and Brillouin light scattering from thermally excited spin
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::64591e63776bacacaeeb443b42cbd7c6
https://hdl.handle.net/11380/1135379
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8
The classical and quantum dynamics of molecular spins on graphene
Autor: Fernando Luis, Ana Repollés, Marko Burghard, Andrea Cornia, Maria Gloria Pini, Angelo Rettori, Stephan Rauschenbach, Lapo Bogani, Christian Cervetti, Martin Dressel, Klaus Kern
Publikováno v: Nature Materials (Online) (2015). doi:10.1038/nmat4490
info:cnr-pdr/source/autori:Christian Cervetti; Angelo Rettori; Maria Gloria Pini; Andrea Cornia; Ana Repollés; Fernando Luis; Martin Dressel; Stephan Rauschenbach; Klaus Kern; Marko Burghard; Lapo Bogani/titolo:The classical and quantum dynamics of molecular spins on graphene/doi:10.1038%2Fnmat4490/rivista:Nature Materials (Online)/anno:2015/pagina_da:/pagina_a:/intervallo_pagine:/volume
Nature materials
Digital.CSIC. Repositorio Institucional del CSIC
instname
PMCID: PMC4800001.-- et al.
Controlling the dynamics of spins on surfaces is pivotal to the design of spintronic and quantum computing devices. Proposed schemes involve the interaction of spins with graphene to enable surface-state spintronics a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a87e36dbbebc43127c7b271c228ff60c
http://hdl.handle.net/10261/148229
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9
In-plane rotation of magnetic stripe domains inFe1−xGaxthin films
Autor: Diego Bisero, Horia Popescu, Giovanni Finocchio, Massimiliano Marangolo, Silvia Tacchi, C. Hepburn, Maurizio Sacchi, Riccardo Tomasello, Mario Carpentieri, Maria Gloria Pini, Angelo Rettori, Mahmoud Eddrief, Samuele Fin
Publikováno v: Physical Review B. 92
The in-plane rotation of magnetic stripe domains in a 65-nm magnetostrictive ${\mathrm{Fe}}_{0.8}{\mathrm{Ga}}_{0.2}$ epitaxial film was investigated combining magnetic force microscopy, vibration sample magnetometry, and x-ray resonant magnetic scat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7e074b7d60657bacf784230a03b326d4
https://doi.org/10.1103/physrevb.92.224411
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10
Novel chiral metastable states in the discrete finite-size classical one-dimensional planar spin model with competing exchange interactions
Autor: Maria Gloria Pini, Angelo Rettori, Alexander P. Popov
Publikováno v: ICM2015-20th International Conference on Magnetism, pp. 2306–2306, Barcelona, Spain, July 5-10, 2015
info:cnr-pdr/source/autori:Maria Gloria Pini (1); Angelo Rettori (2,3); Alexander P. Popov (4)/congresso_nome:ICM2015-20th International Conference on Magnetism/congresso_luogo:Barcelona, Spain/congresso_data:July 5-10, 2015/anno:2015/pagina_da:2306/pagina_a:2306/intervallo_pagine:2306–2306
MAGNET 2015, Bologna, 17-19 Febbraio
info:cnr-pdr/source/autori:Maria Gloria Pini, Angelo Rettori, Alexander P. Popov/congresso_nome:MAGNET 2015/congresso_luogo:Bologna/congresso_data:17-19 Febbraio/anno:2015/pagina_da:/pagina_a:/intervallo_pagine
The classical one-dimensional planar spin model with competing nearest neighbor (nn) and next nearest neighbor (nnn) exchange interactions (Jnn>0 and Jnnn
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::1c5023c18d41638b721c9eb6d979ca8f
https://publications.cnr.it/doc/337373
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