Articles
2022
Heat dissipation in few-layer MoS2 and MoS2/hBN heterostructure
A. Arrighi, E. del Corro, D. Navarro Urrios, M. V. Costache, J. F. Sierra, K. Watanabe, T. Taniguchi, J. A. Garrido, S. O. Valenzuela, C. M. Sotomayor Torres, M. Sledzinska, 2D Materials, 9, 015005, (2022)
Resolving spin currents and spin densities generated by charge-spin interconversion in systems with reduced crystal symmetry
L. Camosi, J. Světlík, M. V. Costache, W. Savero Torres, I. Fernández Aguirre, V. Marinova, D. Dimitrov, M. Gospodinov, J. F Sierra and S. O. Valenzuela, 2D Materials, 9, 035014, (2022)
Two-dimensional materials prospects for non-volatile spintronic memories
H. Yang, S. O. Valenzuela, M. Chshiev, S. Couet, B. Dieny, B. Dlubak, A. Fert, K. Garello, M. Jamet, D.-E. Jeong, K. Lee, T. Lee, M.-B. Martin, G. Sankar Kar, P. Sénéor, H.-J.Shin & S. Roche , Nature, 606, 663-673, (2022)
Unraveling Heat Transport and Dissipation in Suspended MoSe2 from Bulk to Monolayer
D. Saleta Reig, S. Varghese, R. Farris, A. Block, J. D. Mehew, O. Hellman, P.Woźniak, M. Sledzinska, A.El Sachat, E. Chávez‐Ángel, S. O. Valenzuela, N. F. van Hulst, P. Ordejón, Z. Zanolli, C. M Sotomayor Torres, M. J Verstraete, K.‐J. Tielrooij, Adv. Mater., 2108352, (2022)
2021
The 2021 Quantum Materials Roadmap
F. Giustino et al, J. Phys. Materials, 3, 042006, (2021)
A valley of opportunities
L. Foá Torres & S. O. Valenzuela, Physics World, 34, 43, (2021)
Control of spin–charge conversion in van der Waals heterostructures
R. Galceran, B. Tian, F. Bonell. M. Jamet, C. Vergnaud, A. Marty, J. H. García, J. F. Sierra, M. V. Costache, S. Roche, S. O. Valenzuela, A. Manchon, X- Zhang, and U. Schwingenschlögl , APL Materials, 9, 100901, (2021)
Large-area van der Waals epitaxy and magnetic characterization of Fe3GeTe2 films on graphene
J Marcelo J Lopes, Dietmar Czubak, Eugenio Zallo, Adriana I Figueroa, Charles Guillemard, Manuel Valvidares, Juan Rubio Zuazo, Jesús López-Sanchéz, Sergio O Valenzuela, Michael Hanke, Manfred Ramsteiner, 2D Materials, 8, 041001, (2021)
Low-symmetry topological materials for large charge-to-spin interconversion: The case of transition metal dichalcogenide monolayers
M. Vila, C.-H. Hsu, J. H Garcia, L. A. Benítez, X. Waintal, S. O Valenzuela, V. M. Pereira, S. Roche, Phys. Rev. Res., 3, 043230, (2021)
Van der Waals heterostructures for spintronics and opto-spintronics
Juan F. Sierra, Jaroslav Fabian, Roland K. Kawakami, Stephan Roche & Sergio O. Valenzuela , Nature Nanotechnology, 16, 856, (2021)
2020
Absence of Magnetic Proximity Effect at the Interface of Bi 2 Se 3 and ( Bi , Sb ) 2 Te 3 with EuS
A. I. Figueroa, F. Bonell, M. G. Cuxart, M. Valvidares, P. Gargiani, G. van der Laan, A. Mugarza, and S. O. Valenzuela, Phys. Rev. lett., 125, 226801, (2020)
Control of Spin–Orbit Torques by Interface Engineering in Topological Insulator Heterostructures
Frédéric Bonell, Minori Goto, Guillaume Sauthier, Juan F Sierra, Adriana I Figueroa, Marius V Costache, Shinji Miwa, Yoshishige Suzuki, Sergio O Valenzuela, Nano Letters, 20, 5893-5899, (2020)
Ferromagnetic Resonance Assisted Optomechanical Magnetometer
M. F. Colombano, G. Arregui, F. Bonell, N. E. Capuj, E. Chavez-Angel, A. Pitanti, S. O. Valenzuela, C. M. Sotomayor-Torres, D. Navarro-Urrios, and M. V. Costache, Phys. Rev. lett., 125, 147201, (2020)
Magnetism, spin dynamics, and quantum transport in two-dimensional systems
W Savero Torres, JF Sierra, LA Benítez, F Bonell, JH García, S Roche, SO Valenzuela, MRS Bulletin, 45, 357-365, (2020)
Molecular Approach for Engineering Interfacial Interactions in Magnetic/Topological Insulator Heterostructures
Marc G Cuxart, Miguel Angel Valbuena, Roberto Robles, César Moreno, Frédéric Bonell, Guillaume Sauthier, Inhar Imaz, Heng Xu, Corneliu Nistor, Alessandro Barla, Pierluigi Gargiani, Manuel Valvidares, Daniel Maspoch, Pietro Gambardella, Sergio O Valenzuela, Aitor Mugarza, ACS nano, 14, 6285-6294, (2020)
Opportunities and challenges for spintronics in the microelectronics industry
B. Dieny et al, Nature Electronics, 3, 446-459, (2020)
Tunable room-temperature spin galvanic and spin Hall effects in van der Waals heterostructures
L Antonio Benítez, Williams Savero Torres, Juan F Sierra, Matias Timmermans, Jose H Garcia, Stephan Roche, Marius V Costache, Sergio O Valenzuela, Nature Materials, 19, 170, (2020)
2019
Investigating the spin-orbit interaction in van der Waals heterostructures by means of the spin relaxation anisotropy
L Antonio Benítez, Juan F Sierra, Williams Savero Torres, Matias Timmermans, Marius V Costache, Sergio O Valenzuela, APL Materials, 7, 120701, (2019)
The phase diagram of 2D antiferromagnets
Sergio O Valenzuela, Stephan Roche, Nature Nanotechnology, 14, 1088, (2019)
Spin communication over 30 µm long channels of chemical vapor deposited graphene on SiO2
Zewdu M Gebeyehu, S Parui, Juan F Sierra, Matias Timmermans, María J Esplandiu, S Brems, C Huyghebaert, Kevin Garello, Marius V Costache, Sergio O Valenzuela, 2D Materials, 6, 034003, (2019)
2018
A barrier to spin filters
Sergio O. Valenzuela & Stephan Roche, Nature Electronics, 1, 328, (2018)
Bottom-up synthesis of multifunctional nanoporous graphene
C. Moreno, M. Vilas-Varela, B. Kretz, A. Garcia-Lekue, M. V. Costache, M. Paradinas, M. Panighel, G. Ceballos, S. O. Valenzuela, Diego Peña, Aitor Mugarza, Science, 360, 199–203, (2018)
Impact of the in situ rise in hydrogen partial pressure on graphene shape evolution during CVD growth of graphene
Zewdu M. Gebeyehu, Aloïs Arrighi, Marius V. Costache, Clivia M. Sotomayor-Torres, Maria J. Esplandiu & Sergio O. Valenzuela, RSC Advances, 8, 8234, (2018)
Strongly anisotropic spin relaxation in graphene–transition metal dichalcogenide heterostructures at room temperature
L. Antonio Benítez, Juan F. Sierra, Williams Savero Torres, Aloïs Arrighi, Frédéric Bonell, Marius V. Costache & Sergio O. Valenzuela, Nature Physics, 14, 303-308, (2018)
Thermoelectric spin voltage in graphene
Juan F. Sierra, Ingmar Neumann, Jo Cuppens, Bart Raes, Marius V. Costache and Sergio O. Valenzuela, Nature Nanotechnology, 13, 107-111, (2018)
2017
The 2017 Magnetism Roadmap
D Sander, S O Valenzuela, D Makarov, C H Marrows, E E Fullerton, P Fischer, J McCord, P Vavassori, S Mangin, P Pirro, B Hillebrands, A D Kent, T Jungwirth, O Gutfleisch, C G Kim and A Berger, Journal of Physics D: Applied Physics, 50, 363001, (2017)
Growth of Twin-Free and Low-Doped Topological Insulators on BaF2(111)
F. Bonell, M. G. Cuxart, K. N. Song, R. Robles, P. Ordejon, S. Roche, A. Mugarza and S. O. Valenzuela., Cryst. Growth & Design , 17, 4655-4660, (2017)
Spin precession in anisotropic media
B. Raes, A. W. Cummings, F. Bonell, M. V. Costache, J. F. Sierra, S. Roche and S. O. Valenzuela., Physical Review B, 95, 085403, (2017)
Spin precession and spin Hall effect in monolayer graphene/Pt nanostructures
W. Savero Torres, J. F. Sierra, L. A. Benítez, F. Bonell, M. V. Costache and S. O. Valenzuela., 2D Materials, 4, 041008, (2017)
2016
Determination of the spin lifetime anisotropy in graphene using oblique spin precession
Bart Raes, Jeroen E. Scheerder, Marius V. Costache, Frederic Bonell, Juan F. Sierra, Jo Cuppens, Joris Van de Vondel and Sergio O. Valenzuela, Nature Communications, 7, 11444, (2016)
Spin Hall Effect and Origins of Nonlocal Resistance in Adatom-Decorated Graphene
D. Van Tuan, J. M. Marmolejo-Tejada, X. Waintal, B. K. Nikolić, S. O. Valenzuela, and S. Roche, Phys. Rev. Lett., 117, 176602, (2016)
2015
Graphene spintronics: the European Flagship perspective
S. Roche, J. Akerman, B. Beschoten, J-C Charlier, M. Chshiev, S. P. Dash, B. Dublak, J. Fabian, A. Fert, M. Guimaraes, F. Guinea, I. Grigorieva, C. Schonenberger, P. Seneor, C. Stampfer, S. O. Valenzuela, X. Waintal, B. J. van Wees, 2D Mater., 2, 030202, (2015)
Hot-Carrier Seebeck Effect: Diffusion and Remote Detection of Hot Carriers in Graphene
Juan F. Sierra, Ingmar Neumann, Marius V. Costache, and Sergio O. Valenzuela, Nano Lett., 15, 4000, (2015)
Spin Hall Effects
Jairo Sinova, Sergio O Valenzuela, J Wunderlich, CH Back, T Jungwirth, Rev. Mod. Phys., 87, 1213-1259, (2015)
2014
Fingerprints of Inelastic Transport at the Surface of the Topological Insulator Bi2 Se3: Role of Electron-Phonon Coupling
MV Costache, I Neumann, JF Sierra, V Marinova, MM Gospodinov, S Roche, SO Valenzuela, Physical Review Letters, 112, 086601, (2014)
Graphene spintronics: puzzling controversies and challenges for spin manipulation
S Roche, SO Valenzuela, Journal of Physics D: Applied Physics , 47, 094011, (2014)
Pseudospin-driven spin relaxation mechanism in graphene
D Van Tuan, F Ortmann, D Soriano, SO Valenzuela, S Roche, Nature Physics, 10, 857-863, (2014)
2013
Electrical Detection of Spin Precession in Freely Suspended Graphene Spin Valves on Cross-Linked Poly (methyl methacrylate)
I. Neumann1, J. Van de Vondel, G. Bridoux, M. V. Costache, F. Alzina, C. M. Sotomayor Torres, S. O. Valenzuela, Small, 9, 156, (2013)
Enhanced spin accumulation at room temperature in graphene spin valves with amorphous carbon interfacial layers
I Neumann, MV Costache, G Bridoux, JF Sierra, SO Valenzuela, Applied Physics Letters, 113, 112401, (2013)
2012
Lateral metallic devices made by a multiangle shadow evaporation technique
M.V. Costache, G. Bridoux, I. Neumann and S.O. Valenzuela, J. Vac. Sci. Technol. B, 30, 04E105, (2012)
Magnon-drag thermopile
M.V. Costache, G. Bridoux, I. Neumann and S.O. Valenzuela, Proc. SPIE, 8461, 84611A , (2012)
Magnon-drag thermopile
M.V. Costache, G. Bridoux, I. Neumann and S.O. Valenzuela, Nature Materials, 11, 199, (2012)
2011
Enhanced spin signal in nonlocal devices based on a ferromagnetic CoFeAl alloy
G. Bridoux, M.V. Costache, J. Van De Vondel, I. Neumann, and S.O. Valenzuela, Appl. Phys. Lett., 99, 102107, (2011)
Generation of pure spin currents in a single electron transistor with a superconducting island
M.V. Costache and S.O. Valenzuela, Proc. SPIE, 8100, 81000l, (2011)
2010
Experimental spin ratchet
M.V. Costache and S.O. Valenzuela, Science, 330, 1645 , (2010)
2009
Large amplitude driving of a superconducting artificial atom
W.D. Oliver and S.O. Valenzuela, , 8, 261, (2009)
Nonlocal spin detection, spin accumulation and the spin Hall effect
S.O. Valenzuela, , 23, 2413, (2009)