Academic literature on the topic 'Nanocontatos'

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Journal articles on the topic "Nanocontatos"

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LUKASZEW, R. A., Z. ZHANG, D. PEARSON, and A. ZAMBANO. "MAGNETO-TRANSPORT IN NANOPATTERNED EPITAXIAL Ni FILMS." International Journal of Nanoscience 03, no. 06 (2004): 729–35. http://dx.doi.org/10.1142/s0219581x04002589.

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The latest reports on ballistic magneto-resistance in electrochemically defined nanocontacts between Ni wires have shown surprisingly large magneto-resistive effects (several thousands percent) that are still not understood. In addition, there is strong controversy on the interpretation of this effect. Thus, in an attempt to resolve some of the relevant issues surrounding this effect, we report our work on lithographically patterned nanocontacts on epitaxial Ni films. Our results indicate that there are domain-wall related magneto-resistance effects in these nanostructures but the overall effe
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Nikolic, Nebojsa. "Magnetic effects in electrochemistry." Journal of the Serbian Chemical Society 70, no. 5 (2005): 785–87. http://dx.doi.org/10.2298/jsc0505785n.

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The effect of imposed magnetic fields onto the electrodeposition of magnetic (nickel) and non ? magnetic (copper) metals was analysed. Also, magnetic properties of electrochemically obtained nanocontacts were examined. An effort to establish a possible correlation between the morphologies of the nanocontacts and the effect of the very large ballistic magnetoresistance (BMR effect) was made.
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Kavanagh, Karen L. "Nanocontacts." Semiconductor Science and Technology 29, no. 5 (2014): 050301. http://dx.doi.org/10.1088/0268-1242/29/5/050301.

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Dokukin, S. A., S. V. Kolesnikov, and A. M. Saletsky. "Molecular dynamics simulation of the formation of Cu–Pt nanocontacts in the mechanically controlled break junction experiments." Physical Chemistry Chemical Physics 22, no. 28 (2020): 16136–42. http://dx.doi.org/10.1039/d0cp02903c.

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Lainé, Antoine, Andrea Vanossi, Antoine Niguès, Erio Tosatti, and Alessandro Siria. "Amplitude nanofriction spectroscopy." Nanoscale 13, no. 3 (2021): 1955–60. http://dx.doi.org/10.1039/d0nr07925a.

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Темирязев, А. Г., М. П. Темирязева, А. В. Здоровейщев та ін. "Формирование магнитных наноструктур с помощью зонда атомно-силового микроскопа". Журнал технической физики 89, № 11 (2019): 1807. http://dx.doi.org/10.21883/jtf.2019.11.48349.120-19.

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The paper presents examples of the use of pulse force nanolithography, performed with a probe of an atomic force microscope, to form magnetic nanowires, nanocontacts, one- and two-dimensional arrays with characteristic dimensions of about 50-100 nm.
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Kulinich, S. I., R. I. Shekhter, I. V. Krive, S. I. Kulinich, and I. V. Krive. "Hot electrons in nanocontacts." Low Temperature Physics 26, no. 6 (2000): 437–40. http://dx.doi.org/10.1063/1.593922.

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Gnecco, Enrico, Sabine Maier, and Ernst Meyer. "Superlubricity of dry nanocontacts." Journal of Physics: Condensed Matter 20, no. 35 (2008): 354004. http://dx.doi.org/10.1088/0953-8984/20/35/354004.

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Brandbyge, Mads, Mads R. Sørensen, and Karsten W. Jacobsen. "Conductance eigenchannels in nanocontacts." Physical Review B 56, no. 23 (1997): 14956–59. http://dx.doi.org/10.1103/physrevb.56.14956.

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Zhu, Y. F., and G. Q. Di. "Magnetostriction and magnetoresistance in nanocontacts." Journal of Magnetism and Magnetic Materials 302, no. 1 (2006): 82–85. http://dx.doi.org/10.1016/j.jmmm.2005.08.020.

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Dissertations / Theses on the topic "Nanocontatos"

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Cunha, Rafael Otoniel Ribeiro Rodrigues da. "Transferência de spin em nanopilares e nanocontatos magnéticos." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2012. http://hdl.handle.net/10183/53121.

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Neste trabalho serão apresentados resultados recentes de estudos de magnetorresistência gigante (GMR), na configuração corrente perpendicular ao plano, e de transferência de spin (TS) em multicamadas magnéticas. Para tal foram desenvolvidos sistemas de análise magnetorresistiva, assim como a preparação de amostras. O ponto fundamental para este tipo de estudo está, basicamente, na construção de sistemas que apresentam alta densidade de corrente e com estabilidade. Com o objetivo de contornar estas dificuldades, o problema foi abordado em duas frentes de estudo: i) nanocontatos e nanopilares, e
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Corrêa, Júnior Clóvis. "Ruído no transporte eletrônico em sistemas mesoscópicos." [s.n.], 2009. http://repositorio.unicamp.br/jspui/handle/REPOSIP/277880.

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Orientador: Guillermo Gerardo Cabrera Oyarzun<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Fisica Gleb Wataghin<br>Made available in DSpace on 2018-09-24T18:53:24Z (GMT). No. of bitstreams: 1 CorreaJunior_Clovis_M.pdf: 2475896 bytes, checksum: c134096367f5dc832f4c32ec8a9e224b (MD5) Previous issue date: 2009<br>Resumo: Nesta dissertação de mestrado são descritas as características fundamentais dos condutores mesoscópicos, e as origens e propriedades das várias fontes de ruído em condutores. Primeiramente, descrevemos o ruído com distintos métodos e enfatizamos a
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Kulyk, Illya. "High frequency relaxation kinetics in metal and high-Tc superconductor nanocontacts." [S.l. : [Groningen : s.n.] ; University of Groningen] [Host], 2008. http://irs.ub.rug.nl/ppn/.

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Gangloff, Dorian Armand. "Nanocontacts controlled atom-by-atom in an ion-crystal friction emulator." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/104459.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Physics, 2016.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (pages 187-200).<br>Friction is the basic, ubiquitous mechanical interaction between two surfaces that results in resistance to motion and energy dissipation. To test long-standing atomistic models of friction processes at the nanoscale, we implemented a synthetic nan
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Dednam, Wynand. "Atomistic simulations of competing influences on electron transport across metal nanocontacts." Thesis, Universidad de Alicante, 2019. http://hdl.handle.net/10500/26155.

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In our pursuit of ever smaller transistors, with greater computational throughput, many questions arise about how material properties change with size, and how these properties may be modelled more accurately. Metallic nanocontacts, especially those for which magnetic properties are important, are of great interest due to their potential spintronic applications. Yet, serious challenges remain from the standpoint of theoretical and computational modelling, particularly with respect to the coupling of the spin and lattice degrees of freedom in ferromagnetic nanocontacts in emerging spintro
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Kong, Shuo, and Xu Sun. "Setup of pulsed IV system and characterization of magnetic nanocontacts and microwires." Thesis, Högskolan i Halmstad, Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE), 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-16523.

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The development of resistance measurement techniques is very important for characterization of future nanoelectronics. Pulsed IV measurement techniques are very useful for accurate resistance measurements on nanoscale samples because of the efficient removal of e.g. EMF errors. In the project we have designed a pulsed IV-setup based on a state-of-the art current source (6221) and nanovoltmeter (2182A) from Keithley, and used the setup for resistance measurements on ferromagnetic samples. Two different samples were investigated using the pulsed IV system – ferromagnetic wires with a central nan
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Olivera, Bernat. "Electronic transport in metals at the atomic scale: capacitance emergent magnetism and f-electrons influence." Doctoral thesis, Universidad de Alicante, 2017. http://hdl.handle.net/10045/73051.

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Hemos desarrollado una técnica de medida a 4 puntas en corriente alterna con amplificadores “Lock-in” sincronizados para obtener la variación local de la capacidad entre los electrodos de un STM simultáneamente con su conductancia. La resolución a la que llegamos es de fF. En la evolución de la capacidad frente a la distancia entre electrodos distinguimos tres regiones: capacidad clásica (cuando los electrodos están más alejados), capacidad cuántica (en un régimen intermedio) y fuga de capacidad (cuando se entra en corriente túnel). En el régimen de emisión de campo, en los puntos en los que l
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Eggeling, Eike Moritz [Verfasser]. "Spin-torque induced high frequency excitations and switching in spin-valve nanocontacts / Eike Moritz Eggeling." Bielefeld : Universitätsbibliothek Bielefeld, Hochschulschriften, 2012. http://d-nb.info/1023863669/34.

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Li, Wu-Xia. "A study of nano-structured systems: Co1-xPtx nanowire and W-Ga-C composite nanocontacts." Thesis, University of Salford, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.490521.

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Within the context of the worldwide effort in the research and development in information technologies, an investigation has been conducted mainly on the electrodeposited Coi-xPtx embedded in anodic aluminium oxide (AAO) templates by an alternating current technique. To further an understanding of the structural, magnetic, optical and magneto-optical properties of Coi-xPtx (14 nm in diameter) nanowire arrays, the chemical composition, electrodeposition time and annealing temperature dependent characteristics have been studied.
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Lunca, Popa Petru. "Ln situ studies of spin electronics properties of magnetic nanocontacts fabricated using a Lab-on-chip approach." Strasbourg, 2010. http://www.theses.fr/2010STRA6072.

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Cette thèse est consacrée à l'étude des propriétés électriques dépendent du spin de contacts magnétiques ayant une taille de quelques atomes seulement. Nous avons développé un montage original et sophistiqué permettant de fabriquer et mesurer le transport électrique au travers de ces matériaux nanométriques de tailles ultimes. Les échantillons ont été obtenus par une combinaison de techniques de fabrication 'top-down', avec une construction de type « bottom-up »l'électrochimie pour ramener la distance et la taille a des dimensions atteignant quelques atomes. Une approche de type «Iab-on-chip»,
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Books on the topic "Nanocontatos"

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Sergeenkov, Sergei. 2D arrays of Josephson nanocontacts and nanogranular superconductors. Edited by A. V. Narlikar and Y. Y. Fu. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780199533046.013.21.

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This article examines many novel effects related to the magnetic, electric, elastic and transport properties of Josephson nanocontacts and nanogranular superconductors using a realistic model of two-dimensional Josephson junction arrays. The arrays were created by a 2D network of twin-boundary dislocations with strain fields acting as an insulating barrier between hole-rich domains in underdoped crystals. The article first describes a model of nanoscopic Josephson junction arrays before discussing some interesting phenomena, including chemomagnetism and magnetoelectricity, electric analog of t
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Burton, J. D., and E. Y. Tsymbal. Magnetoresistive phenomena in nanoscale magnetic contacts. Edited by A. V. Narlikar and Y. Y. Fu. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780199533046.013.18.

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This article examines magnetoresistive phenomena in nano- and atomic-size ferromagnetic metal contacts. In particular, it considers how magnetization affects the flow of electrical current in ferromagnetic materials by focusing on two major categories of magnetoresistive phenomena: the ‘spin-valve’, where the flow of spin-polarized electrical current is affected by an inhomogeneous magnetization profile, and anisotropic magnetoresistance (AMR), which involves the anisotropy of electrical transport properties with respect to the orientation of the magnetization. The article first provides an ov
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van Ruitenbeek, Jan M. Quasi-ballistic electron transport in atomic wires. Edited by A. V. Narlikar and Y. Y. Fu. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780199533046.013.5.

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This article describes quasi-ballistic electron transport in atomic wires. It begins with a review of experiments on the conduction properties for single metal atoms. Nearly all the information on the properties of such nanocontacts should be extracted from the current and voltage only. Nevertheless, a wide range of techniques has been developed to obtain detailed information. The article proceeds by considering various experimental techniques for characterizing single-atom contacts, along with their application for the study of conducting chains of individual metal atoms and for metal–molecul
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Narlikar, A. V., and Y. Y. Fu, eds. Oxford Handbook of Nanoscience and Technology. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780199533046.001.0001.

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This Handbook consolidates some of the major scientific and technological achievements in different aspects of the field of nanoscience and technology. It consists of theoretical papers, many of which are linked with current and future nanodevices, molecular-based materials and junctions (including Josephson nanocontacts). Self-organization of nanoparticles, atomic chains, and nanostructures at surfaces are further described in detail. Topics include: a unified view of nanoelectronic devices; electronic and transport properties of doped silicon nanowires; quasi-ballistic electron transport in
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Book chapters on the topic "Nanocontatos"

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Pramanik, Anup, Sunandan Sarkar, and Pranab Sarkar. "Charge transport through nanocontacts." In Chemical Modelling. Royal Society of Chemistry, 2019. http://dx.doi.org/10.1039/9781788015868-00070.

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Rubio-Bollinger, G., J. J. Riquelme, S. Vieira, and N. Agraït. "Mechanical Properties of Metallic Nanocontacts." In Applied Scanning Probe Methods XII. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-85039-7_6.

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Rubio-Bollinger, Gabino, Juan J. Riquelme, Sebastian Vieira, and Nicolas Agraït. "Mechanical Properties of Metallic Nanocontacts." In Fundamentals of Friction and Wear on the Nanoscale. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-10560-4_16.

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Rubio, G., N. Agrait, and S. Vieira. "Mechanical Properties of Metallic Nanocontacts." In Nanowires. Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-015-8837-9_22.

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Tagirov, L. R., and K. B. Efetov. "Huge Magnetoresistance in Quantum Magnetic Nanocontacts." In Nanostructured Magnetic Materials and their Applications. Springer Netherlands, 2004. http://dx.doi.org/10.1007/978-1-4020-2200-5_31.

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Erts, Donats, Ants Lõhmus, Justin D. Holmes, and Håkan Olin. "Probing of Nanocontacts Inside a Transmission Electron Microscope." In Fundamentals of Friction and Wear. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-36807-6_5.

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García, N., J. L. Costa-Krämer, A. Gil, P. García-Mochales, and P. A. Serena. "Conductance Quantization in Metallic Nanocontacts: Experimental Results and Novel Theoretical Aspects." In Atomic and Molecular Wires. Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5882-4_14.

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Schwarz, U. D., H. Hölscher, W. Allers, A. Schwarz, and R. Wiesendanger. "Investigation of the Mechanics of Nanocontacts Using a Vibrating Cantilever Technique." In Fundamentals of Tribology and Bridging the Gap Between the Macro- and Micro/Nanoscales. Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0736-8_10.

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Correia, A., M. I. Marqués, and N. García. "Visualisation of Nanocontacts Formed between Macroscopic Metallic Wires Leading to Nanowires Formation." In Nanowires. Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-015-8837-9_23.

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Gil, A., M. Sharonov, N. Garcia, J. M. Calleja, and J. K. Sass. "Light Emission from Breaking Nanocontacts: Are There Hot Electrons and Cold Atoms?" In Nanowires. Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-015-8837-9_24.

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Conference papers on the topic "Nanocontatos"

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GARCÍA, N., M. MUÑOZ, I. G. SAVELIEV, and Y. W. ZHAO. "BALLISTIC MAGNETORESISTANCE IN FERROMAGNETIC NANOCONTACTS." In Proceedings of the International Symposium. WORLD SCIENTIFIC, 2000. http://dx.doi.org/10.1142/9789812793805_0014.

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TAGIROV, L. R. "HUGE MAGNETORESISTANCE IN MAGNETIC NANOCONTACTS." In Reviews and Short Notes to Nanomeeting-2005. WORLD SCIENTIFIC, 2005. http://dx.doi.org/10.1142/9789812701947_0059.

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Cheng Hao and Yang Wei. "Magnetostrictive effect of the ferromagnetic nanocontacts." In 2012 International Conference on Computer Science and Information Processing (CSIP). IEEE, 2012. http://dx.doi.org/10.1109/csip.2012.6308808.

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USEINOV, A. N., N. KH USEINOV, and L. R. TAGIROV. "SPIN FLIP CONDUCTANCE OF QUANTUM NANOCONTACTS." In Reviews and Short Notes to Nanomeeting-2005. WORLD SCIENTIFIC, 2005. http://dx.doi.org/10.1142/9789812701947_0060.

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Tivarus, C. "Nanoscale Characterization of Metal/Semiconductor Nanocontacts." In CHARACTERIZATION AND METROLOGY FOR ULSI TECHNOLOGY 2005. AIP, 2005. http://dx.doi.org/10.1063/1.2062977.

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Jacob, D., M. J. Caturla, R. Calvo, C. Untiedt, and J. J. Palacios. "Mechanical and electrical properties of Ni nanocontacts." In 2006 IEEE Nanotechnology Materials and Devices Conference. IEEE, 2006. http://dx.doi.org/10.1109/nmdc.2006.4388852.

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Takahashi, T., T. Komine, R. Sugita, and Y. Hasegawa. "First-Principles Calculation of atomic-sized Ni nanocontacts." In INTERMAG 2006 - IEEE International Magnetics Conference. IEEE, 2006. http://dx.doi.org/10.1109/intmag.2006.376196.

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NAWROCKI, W., M. WAWRZYNIAK, B. SUSŁA, and J. BARNAŚ. "QUANTIZATION OF ELECTRICAL CONDUCTANCE IN METAL-SEMICONDUCTOR NANOCONTACTS." In Proceedings of the International Conference on Nanomeeting 2007. WORLD SCIENTIFIC, 2007. http://dx.doi.org/10.1142/9789812770950_0127.

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Jacob, David, J. Fernandez-Rossier, and J. J. Palacios. "Spin filter behaviour of atomic NiO chains in Ni nanocontacts." In 2006 IEEE Nanotechnology Materials and Devices Conference. IEEE, 2006. http://dx.doi.org/10.1109/nmdc.2006.4388933.

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Devolder, T., Joo-Von Kim, M. Manfrini, et al. "Experimental study of current-driven vortex oscillations in magnetic nanocontacts." In SPIE NanoScience + Engineering, edited by Manijeh Razeghi, Henri-Jean M. Drouhin, and Jean-Eric Wegrowe. SPIE, 2009. http://dx.doi.org/10.1117/12.826879.

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