Check the schedule of the 21st Brazilian Workshop on Semiconductor Physics. We recommend checking this page regularly to stay updated on the event schedule.

02 September

TimeActivitySpeaker
08h00 – 09h05Registration–
09h05 – 09h20OpeningIngrid D. Barcelos
  • Chair of the Session: Rodrigo Capaz
09h20 – 10h00 CNPEM – Brazilian Center for Research in Energy and MaterialsAntônio José Roque da Silva
10h00 – 10h20Oral Presentation – Indirect Exchange and RKKY Interactions between Magnetic Impurities in Two- and Four-Band Weyl SystemsLuiz Gregório Dias
10h20 – 10h40Oral Presentation – Madelung’s approach for obtaining the hydrodynamic model of plasmon-polaritons in anisotropic systemsAndré Chaves
10h40 – 11h10Coffee Break
  • Chair of the Session: Florian Dirnberger
11h10 – 11h50Invited Speaker – Low carrier mobility next to thermal gate oxides in Silicon Carbide: What’s wrong with SiC- MOSFET?Thomas Jung
11h50 – 12h10Oral Presentation – Detection of Dirac fermions in crystalline topological insulators using magnetotransport measurementsMarcellos Peres
12h10 – 12h30Oral Presentation – Emergent Electromagnetism in Elemental TelluriumCarsten Enderlein
12h30 – 13h10Invited Speaker – Quantum Spin Hall Effect in Antimonide-based type-II HeterostructuresFabian Hartmann
13h10 – 14h30Lunch–
  • Chair of the Session: Cláudio Radtke
14h30 – 15h10Invited Speaker – Scanning tunneling spectroscopy of 2D semiconductors and nanomembranesAngelo Malachias de Souza
15h10 – 15h30Oral Presentation – Growth and characterization of new 2D semiconductor materialsAbner Siervo
15h30 – 15h50Oral Presentation – Unlocking Quantum Materials through Synchrotron Techniques under Extreme Thermodynamic ConditionsRicardo Reis
15h50 – 16h00Young Researcher – Hydrodynamic of electron-hole fluid in a mesoscopic GaAs channelMarco Patricio
16h00 – 16h10Young Researcher – Evidence of Thickness-dependent Surface Induced Ferroelectricity in Few-layer Germanium Sulfide obtained via Scanning Tunneling SpectroscopyRafael Barreto
16h10 – 16h40Coffee Break–
  • Chair of the Session: André Chaves
16h40 – 17h20Invited Speaker – Quantum oscillationsJosé Carlos Egues
17h20 – 17h40Oral Presentation – Novel aspects of Anderson localization: scaling invariance on topological Anderson insulators, and minimal model for the quantum boomerang effectGerson Ferreira
17h40 – 17h50Young Researcher – Phase transitions and scale invariance in topological Anderson insulatorsBryan Assunção
17h50 – 18h00Young Researcher – Noncentrosymmetric two-dimensional Weyl semimetals in porous Si/Ge structuresEmmanuel Lopes
18h00 – 18h10Young Researcher – Many-body effects on the quasiparticle band structure and optical response of single-layer penta-NiN2Enesio Marinho Jr
18h10 – 18h20Young Researcher – Directional dependence of the electronic and transport properties of Biphenylene under strain conditionsJosé Padilha
18h20 – 18h30Free Time–
18h30 – 20h30Cocktail–

03 September

TimeActivitySpeaker
  • Chair of the Session: Yara Gobato
09h00 – 09h40Invited Speaker – Quantum computing with spins in siliconAndré Saraiva
09h40 – 10h20Invited Speaker – Single quantum coherent spins in hexagonal boron nitride at ambient conditionsCarmem Gilardoni
10h20 – 10h40Oral Presentation – Temperature dependent temporal coherence of metallic-nanoparticle-induced single-photon emitters in a WSe2 monolayerBarbara Rosa
10h40 – 11h10Coffee Break–
  • Chair of the Session: Angelo Malachias
11h10 – 11h50Invited Speaker – Towards lasing from hexagonal SiGe heterostructuresErik Bakkers
11h50 – 12h10Oral Presentation – Tuning band structure and optical properties by rolling up III-V heterostructuresChristoph Deneke
12h10 – 12h30Oral Presentation – Quantum Dots by Droplet Etching Epitaxy as sources of highly entangled photon pairsSaimon Covre da Silva
12h30 – 13h10Invited Speaker – Energy efficient Organic Light Emitting DiodesPaloma dos Santos
13h10 – 14h30Lunch–
  • Chair of the Session: Diego Rabelo
14h30 – 15h10Invited Speaker – Exploring the Frontier of Flat Band Materials: the case of Nb3SBr7Lara Teles
15h10 – 15h30Oral Presentation – Realistic effective-mass model for III-V Zincblend SemiconductorsGuilherme Sipahy
15h30 – 15h50Oral Presentation – III-Nitrides in the 2D structures and GaN/AlN 2D lateral interfaces: Structural and electronic properties from ab initio calculationsHorácio Alves
15h50 – 16h10Flash Talks 1–
16h10 – 17h20Coffee Break + Poster Session–
17h20 – 18h10Tutorial – Magnetic field effects on excitons in two dimensional semiconductorsAndrey Chaves

04 September

TimeActivitySpeaker
  • Chair of the Session: Joaquim Mendes
09h00 – 09h40Invited Speaker – Effects of atmospheres in the wavelength-dependent photoconductivity of Co3O4Marcio Peron Godoy
09h40 – 10h00Oral Presentation – Co-existence of surface electronic confinement and topological states in Sb4Te3Rogério Paniago
10h00 – 10h20Oral Presentation – X-ray photoemission spectroscopy at IPE beamline: from materials to devicesTulio Rocha
10h20 – 10h40Oral Presentation – Universal Machine Learning Interatomic Potentials? Challenges and Directions for Semiconductor Materials’ SurfacesGabriel Schleder
10h40 – 11h10Coffee Break–
  • Chair of the Session: Luis Gregório
11h10 – 11h50Invited Speaker – Controlling electron pairing and charge density waves by uniaxial strain in kagome latticesSérgio Ulloa
11h50 – 12h10Oral Presentation – A Coarse-Grained Geometric Approach to Identify Topological Phases in Three-DimensionsCaio Lewenkopf
12h10 – 12h30Oral Presentation – Structure-driven phase transitions in paracrystalline topological insulatorsMarcello Barbosa
12h30 – 13h10Invited Speaker – Raman response of the charge density wave in cuprate superconductorsMaria C Aguiar
13h10 – 14h30Lunch–
  • Chair of the Session: Bruno Carvalho
14h30 – 15h10Invited Speaker – Valley Zeeman physics in van der Waals matterPaulo Faria Jr
15h10 – 15h30Oral Presentation – Confinement and transport properties of moiré excitons in twisted van der Waals hetero-bilayersDiego Rabelo da Costa
15h30 – 15h50Oral Presentation – Novel Materials from non-van der Waals SolidsDouglas Galvão
15h50 – 16h00Young Researcher – From Layered Minerals to 2D Magnets – How Synchrotron Radiation Can Save Us in Understanding the Origin of Proximity EffectsRaphaela de Oliveira
16h00 – 16h10Young Researcher – Charge dynamics in the 2D/3D semiconductor heterostructure WSe2/GaAsRafael Lopez
16h10 – 16h40Coffee Break–
  • Chair of the Session: Paloma dos Santos
16h40 – 17h20Invited Speaker – The polymorphous nature of halide perovskitesGustavo Dalpian
17h20 – 17h40Oral Presentation – Characterization of metal halide perovskites at CARNAÚBA/SIRIUSRodrigo Szostak
17h40 – 17h50Young Researcher – Multimodal Characterization of Metal Halide Perovskite Films: Correlating Microstructure, Chemical Composition, and Optoelectronic PropertiesFrancisco da Silva
17h50 – 18h00Young Researcher –Organic Semiconductors as Handles for Optical Tweezers Experiments: Trapping and Manipulating Polyaniline (PANI) Microparticles Kairon de Oliveira
18h00 – 18h10Young Researcher – Terahertz spectroscopy applications: unveiling carrier and lattice dynamics of materialsNicolas M. Kawahala
18h10 – 18h30Transfer–
18h30 – 22h00Dinner–

05 September

TimeActivitySpeaker
  • Chair of the Session: Paulo Faria
09h00 – 09h40Invited Speaker – Correlated quantum phases of spatially indirect excitons in heterostructuresFrançois Peeters
09h40 – 10h20Invited Speaker – Exciton transport driven by spin excitations in an antiferromagnetFlorian Dirnberger
10h20 – 10h40Oral Presentation – Optical and magneto-optical properties of magnetic van der Waals heterostructuresYara Gobato
10h40 – 11h10Coffee Break–
  • Chair of the Session: Abner Siervo
11h10 – 11h50Invited Speaker – Growth of highly mismatched thin films and heterostructuresSukarno Ferreira
11h50 – 12h10Oral Presentation – Photoinduced Growth of Tellurium Nanosheets on a Cd1-xMnxTe matrixEduardo Nery
12h10 – 12h30Oral Presentation – Synthesis and ionic liquid functionalization of transition metal dichalcogenidesClaudio Radtke
12h30 – 13h10Invited Speaker – Study of self- assembly structures of carbon quantum dotsLara Lavelli
13h10 – 14h30Lunch–
  • Chair of the Session: Teldo Pereira
14h30 – 15h10Invited Speaker – Exploring spin and orbital pumping in magnetic heterostructuresAntônio Azevedo
15h10 – 15h30Oral Presentation – Higher-order Fe-Fe exchange interactions in magnetically ordered 2D Fe0.2Ni0.8/Ni(001) and Fe0.3Ni0.7/Ni(001) alloy systemsElie Albert Moujaess
15h30 – 15h40Young Researcher – Magneto-optical properties of TMD monolayers induced by defectsFrederico de Souza
15h40 – 15h50Young Researcher – Magneto-optical manipulation of the excitonic complexes in WSe2/CrSBr heterostructuresJosé Roberto Toledo
15h50 – 16h10Flash Talks 2–
16h10 – 17h20Coffee Break + Poster Session–
17h20 – 18h10Tutorial – Probing Electronic Structure of Quantum Materials with ARPES and Synchrotron Radiation at SAPÊ beamline in SIRIUSWendell Simões

06 September

TimeActivitySpeaker
  • Chair of the Session: Elie Moujaess
09h00 – 09h40Invited Speaker – Generation and detection of valley-polarized currents in transport experimentsAntônio Manesco
09h40 – 10h00Oral Presentation – Electrical Detection of Chirality in Twisted Bilayer GrapheneDario Bahamon
10h00 – 10h20Oral Presentation – Navigating Dynamic Nonlinearities and Precision Challenges in the Characterization of Thin Semiconductor SystemsVictor Richard
10h20 – 10h40Oral Presentation – Suppressed Kondo screening in two-dimensional altermagnetsEdson Vernek
10h40 – 11h10Coffee Break–
  • Chair of the Session: Bárbara Rosa
11h10 – 11h50Invited Speaker – Shaking up topological crystals with chiral phononsFélix Hernandez
11h50 – 12h10Oral Presentation – Acoustic modulation of excitonic complexes in hBN/WSe2/hBN heterostructuresOdilon D. D. Couto Jr
12h10 – 12h30Oral Presentation – Raman and Photoluminescence Spectroscopies of in-plane MoSe2-MoS2 Heterostructures grown by chemical vapor depositionBenjamin Fragneaud
12h30 – 12h50Oral Presentation – Quantitative point defect density study in atomically-thin materialsBruno Carvalho
12h30 – 13h10Closing remarksIngrid D. Barcelos
13h10 – 14h30Lunch–
14h30 – 17h20CNPEM Visit–