Publications

2024

• Spin-Orbit Torques and Magnetization Switching in (Bi,Sb)₂Te₃/Fe₃GeTe₂ Heterostructures Grown by Molecular Beam Epitaxy

  Guillet, Thomas; Galceran, Regina; Sierra, Juan F; Belarre, Francisco J; Ballesteros, Belen; Costache, Marius V; Dosenovic, Djordje; Okuno, Hanako; Marty, Alain; Jamet, Matthieu; Bonell, Frederic; Valenzuela, Sergio O Nano Letters; 24 (3): 822 - 828. 2024. 10.1021/acs.nanolett.3c03291. IF: 9.600

• Spintronics with two-dimensional materials and van der Waals heterostructures

  Roche, Stephan; van Wees, Bart; Garello, Kevin; Valenzuela, Sergio O 2d Materials; 11 (4): 043001. 2024. 10.1088/2053-1583/ad64e2. IF: 4.500

• Terahertz spin-light coupling in proximitized Dirac materials

  Konstantin Denisov; I. V. Rozhansky; Sergio O. Valenzuela; Igor Žutić Physical Review. B./Physical Review. b; 109 (20) 2024. 10.1103/physrevb.109.l201406.

• Unravelling the origin of thermal anisotropy in PdSe2

  Xu, Kai; Armesto, Luis Martinez; Svetlik, Josef; Sierra, Juan F; Marinova, Vera; Dimitrov, Dimitre; Goni, Alejandro R; Krysztofik, Adam; Graczykowski, Bartlomiej; Rurali, Riccardo; Valenzuela, Sergio O; Reparaz, Juan Sebastian 2d Materials; 11 (4): 045006. 2024. 10.1088/2053-1583/ad64e3. IF: 4.500

2023

• Efficient terahertz harmonic generation in topological metamaterials

  Kovalev, S; Tielrooij, K; Ilyakov, I; Deinert, JC; de Oliveira, T; Ponomaryov, O; Principi, A; Reig, D; Block, A; Varghese, S; Schreyeck, S; Brunner, K; Karczewski, G; Carbonell, C; Valenzuela, S; Molenkamp, L; Kiessling, T; Astakhov, GV International Conference On Infrared, Millimeter, And Terahertz Waves, Irmmw-Thz; 2023. 10.1109/IRMMW-THz57677.2023.10298895.

• Experimental Demonstration of a Magnetically Induced Warping Transition in a Topological Insulator Mediated by Rare-Earth Surface Dopants

  Cano, BM; Ferreiros, Y; Pantaleon, PA; Dai, J; Tallarida, M; Figueroa, AI; Marinova, V; Garcia-Diez, K; Mugarza, A; Valenzuela, SO; Miranda, R; Camarero, J; Guinea, F; Silva-Guillen, JA; Valbuena, MA Nano Letters; 23 (13): 6249 - 6258. 2023. 10.1021/acs.nanolett.3c00587. IF: 10.800

• Large-Area Synthesis of Ferromagnetic Fe5-xGeTe2/Graphene van der Waals Heterostructures with Curie Temperature above Room Temperature

  Lv, H; da Silva, A; Figueroa, AI; Guillemard, C; Aguirre, IF; Camosi, L; Aballe, L; Valvidares, M; Valenzuela, SO; Schubert, J; Schmidbauer, M; Herfort, J; Hanke, M; Trampert, A; Engel-Herbert, R; Ramsteiner, M; Lopes, JMJ Small; 19 (39) 2023. 10.1002/smll.202302387. IF: 13.300

2022

• Heat dissipation in few-layer MoS2and MoS2/hBN heterostructure

  Arrighi A., Del Corro E., Urrios D.N., Costache M.V., Sierra J.F., Watanabe K., Taniguchi T., Garrido J.A., Valenzuela S.O., Sotomayor Torres C.M., Sledzinska M. 2D Materials; 9 (1, 015005) 2022. 10.1088/2053-1583/ac2e51. IF: 7.103

• Milliwatt terahertz harmonic generation from topological insulator metamaterials

  Tielrooij KJ; Principi A; Reig DS; Block A; Varghese S; Schreyeck S; Brunner K; Karczewski G; Ilyakov I; Ponomaryov O; de Oliveira TVAG; Chen M; Deinert JC; Carbonell CG; Valenzuela SO; Molenkamp LW; Kiessling T; Astakhov GV; Kovalev S Light-Science & Applications; 11 (1) 2022. 10.1038/s41377-022-01008-y. IF: 20.257

• Passivation of Bi2Te3 Topological Insulator by Transferred CVD-Graphene: Toward Intermixing-Free Interfaces

  Galceran, R; Bonell, F; Camosi, L; Sauthier, G; Gebeyehu, ZM; Esplandiu, MJ; Arrighi, A; Aguirre, IF; Figueroa, AI; Sierra, JF; Valenzuela, SO Advanced Materials Interfaces; 9 (36) 2022. 10.1002/admi.202201997. IF: 6.389

• Resolving spin currents and spin densities generated by charge-spin interconversion in systems with reduced crystal symmetry

  Camosi L., Světl’ík J., Costache M.V., Savero Torres W., Fernández Aguirre I., Marinova V., Dimitrov D., Gospodinov M., Sierra J.F., Valenzuela S.O. 2D Materials; 9 (3, 035014) 2022. 10.1088/2053-1583/ac6fec.

• Two-dimensional materials prospects for non-volatile spintronic memories

  Yang H., Valenzuela S.O., Chshiev M., Couet S., Dieny B., Dlubak B., Fert A., Garello K., Jamet M., Jeong D.-E., Lee K., Lee T., Martin M.-B., Kar G.S., Sénéor P., Shin H.-J., Roche S. Nature; 606 (7915): 663 - 673. 2022. 10.1038/s41586-022-04768-0.

• Unraveling Heat Transport and Dissipation in Suspended MoSe2 from Bulk to Monolayer

  Saleta Reig D., Varghese S., Farris R., Block A., Mehew J.D., Hellman O., Woźniak P., Sledzinska M., El Sachat A., Chávez-Ángel E., Valenzuela S.O., van Hulst N.F., Ordejón P., Zanolli Z., Sotomayor Torres C.M., Verstraete M.J., Tielrooij K.-J. Advanced Materials; 34 (10, 2108352) 2022. 10.1002/adma.202108352. IF: 30.849

2021

• A valley of opportunities

  Torres L.F., Valenzuela S.O. Physics World; 34 (11): 43 - 46. 2021. 10.1088/2058-7058/34/11/40. IF: 0.355

• Control of spin-charge conversion in van der Waals heterostructures

  Galceran R., Tian B., Li J., Bonell F., Jamet M., Vergnaud C., Marty A., García J.H., Sierra J.F., Costache M.V., Roche S., Valenzuela S.O., Manchon A., Zhang X., Schwingenschlögl U. APL Materials; 9 (10, 100901) 2021. 10.1063/5.0054865. IF: 5.096

• Large-area van der Waals epitaxy and magnetic characterization of Fe3GeTe2films on graphene

  Lopes J.M.J., Czubak D., Zallo E., Figueroa A.I., Guillemard C., Valvidares M., Rubio-Zuazo J., López-Sanchéz J., Valenzuela S.O., Hanke M., Ramsteiner M. 2D Materials; 8 (4, 041001) 2021. 10.1088/2053-1583/ac171d. IF: 7.103

• Low-symmetry topological materials for large charge-to-spin interconversion: The case of transition metal dichalcogenide monolayers

  Vila M., Hsu C.-H., Garcia J.H., Benítez L.A., Waintal X., Valenzuela S.O., Pereira V.M., Roche S. Physical Review Research; 3 (4, 043230) 2021. 10.1103/PhysRevResearch.3.043230. IF: 0.000

• Van der Waals heterostructures for spintronics and opto-spintronics

  Sierra J.F., Fabian J., Kawakami R.K., Roche S., Valenzuela S.O. Nature Nanotechnology; 16 (8): 856 - 868. 2021. 10.1038/s41565-021-00936-x. IF: 39.213

2020

• Absence of Magnetic Proximity Effect at the Interface of Bi2Se3 and (Bi,Sb)2Te3 with EuS

  Figueroa A.I., Bonell F., Cuxart M.G., Valvidares M., Gargiani P., Van Der Laan G., Mugarza A., Valenzuela S.O. Physical Review Letters; 125 (22, 226801) 2020. 10.1103/PhysRevLett.125.226801. IF: 8.385

• Control of Spin-Orbit Torques by Interface Engineering in Topological Insulator Heterostructures

  Bonell F., Goto M., Sauthier G., Sierra J.F., Figueroa A.I., Costache M.V., Miwa S., Suzuki Y., Valenzuela S.O. Nano Letters; 20 (8): 5893 - 5899. 2020. 10.1021/acs.nanolett.0c01850. IF: 11.238

• Ferromagnetic Resonance Assisted Optomechanical Magnetometer

  Colombano M.F., Arregui G., Bonell F., Capuj N.E., Chavez-Angel E., Pitanti A., Valenzuela S.O., Sotomayor-Torres C.M., Navarro-Urrios D., Costache M.V. Physical Review Letters; 125 (14, 147201) 2020. 10.1103/PhysRevLett.125.147201. IF: 8.385

• Magnetism, spin dynamics, and quantum transport in two-dimensional systems

  Savero Torres W., Sierra J.F., Benítez L.A., Bonell F., García J.H., Roche S., Valenzuela S.O. MRS Bulletin; 45 (5): 357 - 365. 2020. 10.1557/mrs.2020.121. IF: 5.061

• Molecular Approach for Engineering Interfacial Interactions in Magnetic/Topological Insulator Heterostructures

  Cuxart M.G., Valbuena M.A., Robles R., Moreno C., Bonell F., Sauthier G., Imaz I., Xu H., Nistor C., Barla A., Gargiani P., Valvidares M., Maspoch D., Gambardella P., Valenzuela S.O., Mugarza A. ACS Nano; 14 (5): 6285 - 6294. 2020. 10.1021/acsnano.0c02498. IF: 14.588

• Opportunities and challenges for spintronics in the microelectronics industry

  Dieny B., Prejbeanu I.L., Garello K., Gambardella P., Freitas P., Lehndorff R., Raberg W., Ebels U., Demokritov S.O., Akerman J., Deac A., Pirro P., Adelmann C., Anane A., Chumak A.V., Hirohata A., Mangin S., Valenzuela S.O., Onbaşlı M.C., d’Aquino M., Prenat G., Finocchio G., Lopez-Diaz L., Chantrell R., Chubykalo-Fesenko O., Bortolotti P. Nature Electronics; 3 (8): 446 - 459. 2020. 10.1038/s41928-020-0461-5. IF: 27.500

• The 2021 quantum materials roadmap

  Giustino F., Lee J.H., Trier F., Bibes M., Winter S.M., Valentí R., Son Y.-W., Taillefer L., Heil C., Figueroa A.I., Plaçais B., Wu Q., Yazyev O.V., Bakkers E.P.A.M., Nygård J., Forn-Díaz P., de Franceschi S., McIver J.W., Foa Torres L.E.F., Low T., Kumar A., Galceran R., Valenzuela S.O., Costache M.V., Manchon A., Kim E.-A., Schleder G.R., Fazzio A., Roche S. JPhys Materials; 3 (4, 042006) 2020. 10.1088/2515-7639/abb74e. IF: 0.000

• Tunable room-temperature spin galvanic and spin Hall effects in van der Waals heterostructures

  Benítez L.A., Savero Torres W., Sierra J.F., Timmermans M., Garcia J.H., Roche S., Costache M.V., Valenzuela S.O. Nature Materials; 19 (2): 170 - 175. 2020. 10.1038/s41563-019-0575-1. IF: 38.663

2019

• Investigating the spin-orbit interaction in van der Waals heterostructures by means of the spin relaxation anisotropy

  Benítez L.A., Sierra J.F., Savero Torres W., Timmermans M., Costache M.V., Valenzuela S.O. APL Materials; 7 (12, 120701) 2019. 10.1063/1.5124894. IF: 4.296

• Spin communication over 30 μm long channels of chemical vapor deposited graphene on SiO2

  Gebeyehu Z.M., Parui S., Sierra J.F., Timmermans M., Esplandiu M.J., Brems S., Huyghebaert C., Garello K., Costache M.V., Valenzuela S.O. 2D Materials; 6 (3, 034003) 2019. 10.1088/2053-1583/ab1874. IF: 7.343

• The phase diagram of 2D antiferromagnets

  Valenzuela S.O., Roche S. Nature Nanotechnology; 14 (12): 1088 - 1089. 2019. 10.1038/s41565-019-0592-x. IF: 33.407

2018

• A barrier to spin filters

  Valenzuela S.O., Roche S. Nature Electronics; 1 (6): 328 - 329. 2018. 10.1038/s41928-018-0089-x.

• Bottom-up synthesis of multifunctional nanoporous graphene

  Moreno C., Vilas-Varela M., Kretz B., Garcia-Lekue A., Costache M.V., Paradinas M., Panighel M., Ceballos G., Valenzuela S.O., Peña D., Mugarza A. Science; 360 (6385): 199 - 203. 2018. 10.1126/science.aar2009. IF: 41.058

• Impact of the: In situ rise in hydrogen partial pressure on graphene shape evolution during CVD growth of graphene

  Gebeyehu Z.M., Arrighi A., Costache M.V., Sotomayor-Torres C.M., Esplandiu M.J., Valenzuela S.O. RSC Advances; 8 (15): 8234 - 8239. 2018. 10.1039/c7ra13169k. IF: 2.936

• Strongly anisotropic spin relaxation in graphene-transition metal dichalcogenide heterostructures at room temperature

  Benítez L.A., Sierra J.F., Savero Torres W., Arrighi A., Bonell F., Costache M.V., Valenzuela S.O. Nature Physics; 14 (3): 303 - 308. 2018. 10.1038/s41567-017-0019-2. IF: 22.727

• Thermoelectric spin voltage in graphene

  Sierra J.F., Neumann I., Cuppens J., Raes B., Costache M.V., Valenzuela S.O. Nature Nanotechnology; 13 (2): 107 - 111. 2018. 10.1038/s41565-017-0015-9. IF: 37.490

2017

• Experimental observation of the spin hall effect using electronic nonlocal detection

  Valenzuela S.O., Kimura T. Spin Current; : 247 - 263. 2017. 10.1093/oso/9780198787075.003.0014.

• Graphene spintronics

  Cummings A.W., Valenzuela S.O., Ortmann F., Roche S. 2D Materials: Properties and Devices; : 197 - 218. 2017. 10.1017/9781316681619.012.

• Growth of Twin-Free and Low-Doped Topological Insulators on BaF2(111)

  Bonell F., Cuxart M.G., Song K., Robles R., Ordejón P., Roche S., Mugarza A., Valenzuela S.O. Crystal Growth and Design; 17 (9): 4655 - 4660. 2017. 10.1021/acs.cgd.7b00525. IF: 4.055

• Introduction

  Valenzuela S.O. Spin Current; : 187 - 207. 2017. 10.1093/oso/9780198787075.003.0011.

• Spin Current

  Maekawa S., Valenzuela S.O., Saitoh E., Kimura T. Spin Current; : 1 - 520. 2017. 10.1093/oso/9780198787075.001.0001.

• Spin precession in anisotropic media

  Raes B., Cummings A.W., Bonell F., Costache M.V., Sierra J.F., Roche S., Valenzuela S.O. Physical Review B; 95 (8, 085403) 2017. 10.1103/PhysRevB.95.085403. IF: 3.836

• The 2017 Magnetism Roadmap

  Sander D., Valenzuela S.O., Makarov D., Marrows C.H., Fullerton E.E., Fischer P., McCord J., Vavassori P., Mangin S., Pirro P., Hillebrands B., Kent A.D., Jungwirth T., Gutfleisch O., Kim C.G., Berger A. Journal of Physics D: Applied Physics; 50 (36, 363001) 2017. 10.1088/1361-6463/aa81a1. IF: 2.588

2016

• Determination of the spin-lifetime anisotropy in graphene using oblique spin precession

  Raes B., Scheerder J.E., Costache M.V., Bonell F., Sierra J.F., Cuppens J., Van De Vondel J., Valenzuela S.O. Nature Communications; 7 ( 11444) 2016. 10.1038/ncomms11444. IF: 11.329

• Spin Hall Effect and Origins of Nonlocal Resistance in Adatom-Decorated Graphene

  Van Tuan D., Marmolejo-Tejada J.M., Waintal X., Nikolić B.K., Valenzuela S.O., Roche S. Physical Review Letters; 117 (17, 176602) 2016. 10.1103/PhysRevLett.117.176602. IF: 7.645

2015

• Graphene spintronics: The European Flagship perspective

  Roche S., Åkerman J., Beschoten B., Charlier J.-C., Chshiev M., Dash S.P., Dlubak B., Fabian J., Fert A., Guimarães M., Guinea F., Grigorieva I., Schönenberger C., Seneor P., Stampfer C., Valenzuela S.O., Waintal X., Van Wees B. 2D Materials; 2 (3, 030202) 2015. 10.1088/2053-1583/2/3/030202. IF: 0.000

• Hot-Carrier Seebeck Effect: Diffusion and Remote Detection of Hot Carriers in Graphene

  Sierra J.F., Neumann I., Costache M.V., Valenzuela S.O. Nano Letters; 15 (6): 4000 - 4005. 2015. 10.1021/acs.nanolett.5b00922. IF: 13.592

• Quantum Spin Hall Effect and Topological Insulators

  Ortmann F., Roche S., Valenzuela S.O. Topological Insulators: Fundamentals and Perspectives; : 3 - 10. 2015. 10.1002/9783527681594.ch1.

• Spin Hall effects

  Sinova J., Valenzuela S.O., Wunderlich J., Back C.H., Jungwirth T. Reviews of Modern Physics; 87 (4): 1213 - 1260. 2015. 10.1103/RevModPhys.87.1213. IF: 29.604

• Topological Insulators: Fundamentals and Perspectives

  Ortmann F., Roche S., Valenzuela S.O. Topological Insulators: Fundamentals and Perspectives; : 1 - 407. 2015. 10.1002/9783527681594.

2014

• Fingerprints of inelastic transport at the surface of the topological insulator Bi 2 Se 3: Role of electron-phonon coupling

  Costache, M.V.; Neumann, I.; Sierra, J.F.; Marinova, V.; Gospodinov, M.M.; Roche, S.; Valenzuela, S.O. Physical Review Letters; 2014. 10.1103/PhysRevLett.112.086601. IF: 7.728

• Graphene spintronics: Puzzling controversies and challenges for spin manipulation

  Roche, S.; Valenzuela, S.O. Journal of Physics D - Applied Physics; 2014. 10.1088/0022-3727/47/9/094011. IF: 2.521

• Pseudospin-driven spin relaxation mechanism in graphene

  Tuan, D.V.; Ortmann, F.; Soriano, D.; Valenzuela, S.O.; Roche, S. Nature Physics; 10 (11): 857 - 863. 2014. 10.1038/nphys3083. IF: 20.603

• Thermal Energy Harvesting

  Mouis M., Chávez-Ángel E., Sotomayor-Torres C., Alzina F., Costache M.V., Nassiopoulou A.G., Valalaki K., Hourdakis E., Valenzuela S.O., Viala B., Zakharov D., Shchepetov A., Ahopelto J. Beyond CMOS Nanodevices 1; 9781848216549: 135 - 219. 2014. 10.1002/9781118984772.ch7.

2013

• Electrical detection of spin precession in freely suspended graphene spin valves on cross-linked poly(methyl methacrylate)

  Neumann, I.; Van De Vondel, J.; Bridoux, G.; Costache, M.V.; Alzina, F.; Torres, C.M.S.; Valenzuela, S.O. Small; 9 (1): 156 - 160. 2013. 10.1002/smll.201201194. IF: 7.823

• Enhanced spin accumulation at room temperature in graphene spin valves with amorphous carbon interfacial layers

  Neumann, I.; Costache, M.V.; Bridoux, G.; Sierra, J.F.; Valenzuela, S.O. Applied Physics Letters; 2013. 10.1063/1.4820586. IF: 3.794

2012

• Lateral metallic devices made by a multiangle shadow evaporation technique

  Costache, M.V.; Bridoux, G.; Neumann, I.; Valenzuela, S.O. Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures; 30: 4. 2012. .

2011

• Enhanced spin signal in nonlocal devices based on a ferromagnetic CoFeAl alloy

  Bridoux, G.; Costache, M. V.; Van de Vondel, J. ; Neumann, I.; Valenzuela, S. O. Applied Physics Letters; 2011. .

• Generation of pure spin currents in a single electron transistor with a superconducting island

  Costache, M.V.; Valenzuela, S.O. Proceedings of SPIE - The International Society for Optical Engineering; 2011. 10.1117/12.890231 .

• Magnon-drag thermopile

  Costache, M.V.; Bridoux, G.; Neumann, I.; Valenzuela, S.O. Nature Materials; 2011. .

2010

• Experimental spin ratchet

  Costache, M.V.; Valenzuela, S.O. SCIENCE; 330: 1645 - 1648. 2010. 10.1126/science.1196228.

2009

• Large-amplitude driving of a superconducting artificial atom : IIInterferometry, cooling, and amplitude spectroscopy

  Oliver, W.D.; Valenzuela, S.O. Quantum Information Processing; 8: 261 - 281. 2009. 10.1007/s11128-009-0108-y.

• Nonlocal electronic spin detection, spin accumulation and the spin hall effect

  Valenzuela, S.O. International Journal of Modern Physics B; 23: 2413 - 2438. 2009. 10.1142/S021797920905290X.

• Pulse imaging and nonadiabatic control of solid-state artificial atoms

  Bylander, J.; Rudner, M.S.; Shytov, A.V.; Valenzuela, S.O.; Berns, D.M.; Berggren, K.K.; Levitov, L.S.; Oliver, W.D. Physical Review B - Condensed Matter and Materials Physics; 80 2009. 10.1103/PhysRevB.80.220506.

2008

• Amplitude spectroscopy of a solid-state artificial atom

  D.M. Berns; M.S. Rudner; S.O. Valenzuela; K.K. Berggren; W.D. Oliver; L.S. Levitov; T.P. Orlando Nature; 455: 51 - 57. 2008. 10.1038/nature07262.

• Microwave-induced cooling of a superconducting qubit

  S.O. Valenzuela; W.D. Oliver; D.M. Berns; K.K. Berggren; L.S. Levitov; T.P. Orlando Science; 314 (5805): 1589 - 1592. 2008. 10.1126/science.1134008 .

• Quantum Phase Tomography of a Strongly Driven Qubit

  M.S. Rudner; A.V. Shytov; L.S. Levitov; D. M. Berns; W.D. Oliver; S.O. Valenzuela; T.P. Orlando Physical Review Letters; 101: 190502. 2008. 10.1103/PhysRevLett.101.190502.