Search Results - "Guimarães, Marcos H. D"

Atomically Thin Ohmic Edge Contacts Between Two-Dimensional Materials by Guimarães, Marcos H. D, Gao, Hui, Han, Yimo, Kang, Kibum, Xie, Saien, Kim, Cheol-Joo, Muller, David A, Ralph, Daniel C, Park, Jiwoong

“…With the decrease of the dimensions of electronic devices, the role played by electrical contacts is ever increasing, eventually coming to dominate the overall…”
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Chiral Spin Spirals at the Surface of the van der Waals Ferromagnet Fe3GeTe2 by Meijer, Mariëlle J, Lucassen, Juriaan, Duine, Rembert A, Swagten, Henk J.M, Koopmans, Bert, Lavrijsen, Reinoud, Guimarães, Marcos H. D

“…Topologically protected magnetic structures provide a robust platform for low power consumption devices for computation and data storage. Examples of these…”
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Spin Transport in High-Quality Suspended Graphene Devices by Guimarães, Marcos H. D, Veligura, A, Zomer, P. J, Maassen, T, Vera-Marun, I. J, Tombros, N, van Wees, B. J

“…We measure spin transport in high mobility suspended graphene (μ ≈ 105cm2/(V s)), obtaining a (spin) diffusion coefficient of 0.1 m2/s and giving a lower bound…”
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Electric control of optically-induced magnetization dynamics in a van der Waals ferromagnetic semiconductor by Hendriks, Freddie, Rojas-Lopez, Rafael R., Koopmans, Bert, Guimarães, Marcos H. D.

“…Electric control of magnetization dynamics in two-dimensional (2D) magnetic materials is an essential step for the development of novel spintronic nanodevices…”
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Current-Induced Torques with Dresselhaus Symmetry Due to Resistance Anisotropy in 2D Materials by Stiehl, Gregory M, MacNeill, David, Sivadas, Nikhil, El Baggari, Ismail, Guimarães, Marcos H. D, Reynolds, Neal D, Kourkoutis, Lena F, Fennie, Craig J, Buhrman, Robert A, Ralph, Daniel C

“…We report measurements of current-induced torques in heterostructures of Permalloy (Py) with TaTe2, a transition-metal dichalcogenide (TMD) material possessing…”
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Locally Phase-Engineered MoTe2 for Near-Infrared Photodetectors by Hidding, Jan, Cordero-Silis, Cédric A., Vaquero, Daniel, Rompotis, Konstantinos P., Quereda, Jorge, Guimarães, Marcos H. D.

“…Transition-metal dichalcogenides (TMDs) are ideal systems for two-dimensional (2D) optoelectronic applications owing to their strong light-matter interaction…”
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The role of device asymmetries and Schottky barriers on the helicity-dependent photoresponse of 2D phototransistors by Quereda, Jorge, Hidding, Jan, Ghiasi, Talieh S., van Wees, Bart J., van der Wal, Caspar H., Guimarães, Marcos H. D.

“…Circular photocurrents (CPC), namely circular photogalvanic (CPGE) and photon drag effects, have recently been reported both in monolayer and multilayer…”
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Spin Hall magnetoresistance in Pt/(Ga,Mn)N devices by Mendoza-Rodarte, J. Aaron, Gas, Katarzyna, Herrera-Zaldívar, Manuel, Hommel, Detlef, Sawicki, Maciej, Guimarães, Marcos H. D.

“…Diluted magnetic semiconductors have attracted significant attention for their potential in spintronic applications. Particularly, magnetically doped GaN is…”
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Charge dynamics in the 2D/3D semiconductor heterostructure WSe2/GaAs by Rojas-Lopez, Rafael R., Hendriks, Freddie, van der Wal, Caspar H., Guimarães, Paulo S. S., Guimarães, Marcos H. D.

“…Understanding the relaxation and recombination processes of excited states in two-dimensional (2D)/three-dimensional (3D) semiconductor heterojunctions is…”
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Switching magnetization with a Weyl semimetal by Guimarães, Marcos H. D.

“…Energy-efficient magnetization manipulation is a prerequisite for competitive spintronic devices. The Weyl semimetal WTe 2 can act as a spin current source…”
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Influence of oxygen impurities in generating ferromagnetism in GaN doped with Mn, Fe, and Cr by Mendoza-Rodarte, Jonathan A., Maestre, David, Camacho-López, Santiago, Guimarães, Marcos H. D., Guerrero-Sánchez, Jonathan, Herrera-Zaldivar, Manuel

“…We report the influence of oxygen impurities in generating ferromagnetism in GaN doped with Mn, Fe, and Cr through superexchange involving Mn–O–Mn, Fe–O–Fe,…”
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Photoluminescence and charge transfer in the prototypical 2D/3D semiconductor heterostructure MoS2/GaAs by Rojas-Lopez, Rafael R., Brant, Juliana C., Ramos, Maíra S. O., Castro, Túlio H. L. G., Guimarães, Marcos H. D., Neves, Bernardo R. A., Guimarães, Paulo S. S.

“…The new generation of two-dimensional (2D) materials has shown a broad range of applications for optical and electronic devices. Understanding the properties…”
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Spin-Orbit Torques in Transition Metal Dichalcogenide/Ferromagnet Heterostructures by Hidding, Jan, Guimarães, Marcos H. D.

“…In recent years, there has been a growing interest in spin-orbit torques (SOTs) for manipulating the magnetization in nonvolatile magnetic memory devices. SOTs…”
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Quantized conductance of a suspended graphene nanoconstriction by Tombros, Nikolaos, Veligura, Alina, Junesch, Juliane, Guimarães, Marcos H. D., Vera-Marun, Ivan J., Jonkman, Harry T., van Wees, Bart J.

“…Quantization of the current flowing across a nanometre-scale constriction in graphene is usually destroyed through charge-scattering from rough edges and…”
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Spin–Orbit Torques in NbSe2/Permalloy Bilayers by Guimarães, Marcos H. D, Stiehl, Gregory M, MacNeill, David, Reynolds, Neal D, Ralph, Daniel C

“…We present measurements of current-induced spin–orbit torques generated by NbSe2, a fully metallic transition-metal dichalcogenide material, made using the…”
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Locally Phase-Engineered MoTe 2 for Near-Infrared Photodetectors by Hidding, Jan, Cordero-Silis, Cédric A, Vaquero, Daniel, Rompotis, Konstantinos P, Quereda, Jorge, Guimarães, Marcos H D

“…Transition-metal dichalcogenides (TMDs) are ideal systems for two-dimensional (2D) optoelectronic applications owing to their strong light-matter interaction…”
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Chiral Spin Spirals at the Surface of the van der Waals Ferromagnet Fe 3 GeTe 2 by Meijer, Mariëlle J, Lucassen, Juriaan, Duine, Rembert A, Swagten, Henk J M, Koopmans, Bert, Lavrijsen, Reinoud, Guimarães, Marcos H D

“…Topologically protected magnetic structures provide a robust platform for low power consumption devices for computation and data storage. Examples of these…”
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Correlated Exciton Fluctuations in a Two-Dimensional Semiconductor on a Metal by Godiksen, Rasmus H, Wang, Shaojun, Raziman, T. V, Guimaraes, Marcos H. D, Rivas, Jaime Gómez, Curto, Alberto G

“…Excitons in nanoscale materials can exhibit fluorescence fluctuations. Intermittency is pervasive in zero-dimensional emitters such as single molecules and…”
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Spin-Orbit Torques in NbSe 2 /Permalloy Bilayers by Guimarães, Marcos H D, Stiehl, Gregory M, MacNeill, David, Reynolds, Neal D, Ralph, Daniel C

“…We present measurements of current-induced spin-orbit torques generated by NbSe , a fully metallic transition-metal dichalcogenide material, made using the…”
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Corrigendum: Interfacial spin–orbit torques and magnetic anisotropy in WSe2/permalloy bilayers (2021 J. Phys. Mater. 4 04LT01) by Hidding, Jan, Tirion, Sytze H, Momand, Jamo, Kaverzin, Alexey, Mostovoy, Maxim, van Wees, Bart J, Kooi, Bart J, Guimarães, Marcos H D

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