174 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Brazilian Synchrotron Light LaboratoryBR56 papers
- Universidade Federal do ABCBR32 papers
- Laboratório Nacional de Nanotecnologia30 papers
- Universidade Estadual de Campinas (UNICAMP)BR28 papers
- Universidade Federal do Rio de JaneiroBR16 papers
- Universidade de São PauloBR13 papers
- Universidade Federal FluminenseBR13 papers
- Centro Brasileiro de Pesquisas FísicasBR12 papers
- Universidade Federal de UberlândiaBR11 papers
- Max Planck Institute for Chemical Physics of SolidsDE10 papers
- Universidade Federal de São CarlosBR10 papers
- Universidade Federal de ViçosaBR8 papers
21 papers · 1 filter
Two-dimensional talc as a natural hyperbolic material
Flávio H. Feres, Francisco C. B. Maia, Shu Chen +14
This study demonstrates that two-dimensional talc, a naturally abundant mineral, supports hyperbolic phonon-polaritons (HPhPs) at mid-infrared wavelengths, thus offering a low-cost…
Shaping terahertz waves using anisotropic shear modes in a van der Waals mineral
Nicolas M. Kawahala, Daniel A. Matos, Raphaela de Oliveira +4
Naturally occurring van der Waals (vdW) materials are currently attracting significant interest due to their potential as low-cost sources of two-dimensional materials. Valuable in…
Unraveling the Spin-to-Charge Current Conversion Mechanism and Charge Transfer Dynamics at Interface of Graphene/WS Heterostructures at Room Temperature
Rafael O. Cunha, Yunier Garcia-Basabe, Dunieskys G. Larrude +7
We report experimental investigations of spin-to-charge current conversion and charge transfer dynamics (CT) at the interface of graphene/WS van der Waals heterostructure. Pure…
Exploring Topological Transport in PtHgSe Nanoribbons: Insights for Spintronic Device Integration
Rafael L. H. Freire, F. Crasto de Lima, Roberto H. Miwa +1
The discovery of the quantum spin Hall effect led to the exploration of the electronic transport for spintronic devices. Here, we theoretically investigated the electronic conducta…
Design of spin-orbital-textures in ferromagnetic/topological insulator interfaces
A. L. Araújo, F. Crasto de Lima, C. H. Lewenkopf +1
Spin-orbital textures in topological insulators due to the spin locking with the electron momentum, play an important role in spintronic phenomena that arise from the interplay bet…
Soft X-ray phase nano-microscopy of micrometre-thick magnets
Jeffrey Neethi Neethirajan, Benedikt Daurer, Marisel Di Pietro Martínez +5
Imaging of nanoscale magnetic textures within extended material systems is of critical importance both to fundamental research and technological applications. Whilst high resolutio…
Review on Infrared Nanospectroscopy of Natural 2D Phyllosilicates
Raphaela De Oliveira, Alisson R. Cadore, Raul O. Freitas +1
Phyllosilicates emerge as a promising class of large bandgap lamellar insulators. Their applications have been explored from fabrication of graphene-based devices to 2D heterostruc…
DFT2kp: effective kp models from ab-initio data
João Victor V. Cassiano, Augusto L. Araújo, Paulo E. Faria Junior +1
The method, combined with group theory, is an efficient approach to obtain the low energy effective Hamiltonians of crystalline materials. Although the…
Electronic transport properties of MoS nanoribbons embedded on butadiene solvent
Armando Pezo, Matheus P. Lima, Marcio Costa +1
Transition metal dichalcogenides (TMDCs) are promising materials for applications in nanoelectronics and correlated fields, where their metallic edge states play a fundamental role…
Efficient spin-to-charge interconversion in Weyl semimetal TaP at room temperature
J. B. S. Mendes, R. O. Cunha, S. O. Ferreira +5
In this paper we present spin-to-charge current conversion properties in the Weyl semimetal TaP by means of the inverse Rashba-Edelstein effect (IREE) with the integration of this…
Connecting Higher-Order Topology with the Orbital Hall Effect in Monolayers of Transition Metal Dichalcogenides
Marcio Costa, Bruno Focassio, Tarik P. Cysne +5
Monolayers of transition metal dichalcogenides (TMDs) in the 2H structural phase have been recently classified as higher-order topological insulators (HOTI), protected by rot…
The 2021 Quantum Materials Roadmap
Feliciano Giustino, Jin Hong Lee, Felix Trier +26
In recent years, the notion of Quantum Materials has emerged as a powerful unifying concept across diverse fields of science and engineering, from condensed-matter and cold atom ph…
Manipulation of Spin Transport in Graphene/Transition Metal Dichalcogenide Heterobilayers upon Twisting
Armando Pezo, Zeila Zanolli, Nils Wittemeier +4
Proximity effects are one of the pillars of exotic phenomena and technological applications of two dimensional materials. However, the interactions nature depends strongly on the m…
Disorder effects of vacancies on the electronic transport properties of realistic topological insulators nanoribbons: the case of bismuthene
Armando Pezo, Bruno Focassio, Gabriel R. Schleder +3
The robustness of topological materials against disorder and defects is presumed but has not been demonstrated explicitly in realistic systems. In this work, we use state-of-the-ar…
Dual Topological Insulator Device with Disorder Robustness
Bruno Focassio, Gabriel R. Schleder, Armando Pezo +2
Two-dimensional NaBi is a dual topological insulator protected by time-reversal and mirror symmetry, resulting in a promising platform for devices design. However, in reality,…
Role of quantum confinement and interlayer coupling in CrI-graphene magnetic tunnel junctions
Jonathan J. Heath, Marcio Costa, Marco Buongiorno-Nardelli +1
Recent demonstrations of magnetic ordering and spin transport in two-dimensional heterostructures have opened research venues in these material systems. In order to control and enh…
Phase Transition and Electronic Structure Investigation of MoS-rGO Nanocomposite Decorated with AuNPs
Yunier Garcia-Basabe, Gabriela F. Peixoto, Daniel Grasseschi +5
In this work a simple approach to transform MoS from its metallic (1T' to semiconductor 2H) character via gold nanoparticle surface decoration of a MoS graphene oxide (rGO)…
Direct detection of induced magnetic moment and efficient spin-to-charge conversion in graphene/ferromagnetic structures
J. B. S. Mendes, O. Alves Santos, T. Chagas +7
This article shows that the spin-to-charge current conversion in single-layer graphene (SLG) by means of the inverse Rashba-Edelstein effect (IREE) is made possible with the integr…
Observation of plasmon-phonon coupling in natural 2D graphene-talc heterostructures
Ingrid D. Barcelos, Alisson R. Cadore, Ananias B. Alencar +8
Two-dimensional (2D) materials occupy noteworthy place in nanophotonics providing for subwavelength light confinement and optical phenomena dissimilar to those of their bulk counte…
Photocatalytic hydrogen production of Co(OH)2 nanoparticle-coated α-Fe2O3 nanorings
Heberton Wender, Renato V. Gonçalves, Carlos Sato B. Dias +5
The production of hydrogen from water using only a catalyst and solar energy is one of the most challenging and promising outlets for the generation of clean and renewable energy.…
Thermal effect on magnetic parameters of high-coercivity cobalt ferrite
E. F. Chagas, A. S. Ponce, R. J. Prado +3
We prepared very high-coercivity cobalt ferrite nanoparticles using short-time high-energy mechanical milling. After the milling process, the coercivity of the nanoparticles reache…