Thermal expansion coefficient of hydrogenated amorphous carbon FC Marques, RG Lacerda, A Champi, V Stolojan, DC Cox, SRP Silva Applied Physics Letters 83 (15), 3099-3101, 2003 | 121 | 2003 |
Identification of a possible superconducting transition above room temperature in natural graphite crystals CE Precker, PD Esquinazi, A Champi, J Barzola-Quiquia, M Zoraghi, ... New Journal of Physics 18 (11), 113041, 2016 | 81 | 2016 |
Unique coordination of copper in hexacyanometallates E Reguera, J Rodríguez-Hernández, A Champi, JG Duque, E Granado, ... Zeitschrift für physikalische chemie 220 (12), 1609-1619, 2006 | 35 | 2006 |
Promising nanostructured materials against enveloped virus GG TOLEDO, VH Toledo, AJC Lanfredi, M Escote, A Champi, MCC SILVA, ... Anais da Academia Brasileira de Ciências 92, e20200718, 2020 | 23 | 2020 |
Thermal expansion coefficient of amorphous carbon nitride thin films deposited by glow discharge A Champi, RG Lacerda, FC Marques Thin Solid Films 420, 200-204, 2002 | 23 | 2002 |
Effect of the bias voltage on the structure of carbon nitride films A Champi, FC Marques, FL Freire Diamond and related materials 13 (4-8), 1538-1542, 2004 | 19 | 2004 |
Multiple-excitation study of the double-resonance Raman bands in rhombohedral graphite SLLM Ramos, MA Pimenta, A Champi Carbon 179, 683-691, 2021 | 16 | 2021 |
Thermal expansion dependence on the sp2 concentration of amorphous carbon and carbon nitride A Champi, RG Lacerda, GA Viana, FC Marques Journal of non-crystalline solids 338, 499-502, 2004 | 15 | 2004 |
Synthesis of lysozyme-reduced graphene oxide films for biosensor applications J Zuñiga, L Akashi, T Pinheiro, M Rivera, L Barreto, KF Albertin, A Champi Diamond and Related Materials 126, 109093, 2022 | 14 | 2022 |
Laser power influence on Raman spectra of multilayer graphene, multilayer graphene oxide and reduced multilayer graphene oxide H Ferreira, G Poma, DR Acosta, J Barzola-Quiquia, M Quintana, L Barreto, ... Journal of Physics: Conference Series 1143 (1), 012020, 2018 | 14 | 2018 |
Structural changes in amorphous carbon nitride films due to bias voltage A Champi, FC Marques Thin Solid Films 501 (1-2), 362-365, 2006 | 14 | 2006 |
Portable reduced graphene oxide biosensor for detection of rabies virus in bats using nasopharyngeal swab samples R Challhua, L Akashi, J Zuñiga, HBCR Batista, R Moratelli, A Champi Biosensors and Bioelectronics 232, 115291, 2023 | 12 | 2023 |
Improvement of mechanical properties of hydroxyapatite composites reinforced with i-Al64Cu23Fe13 quasicrystal J Castañeda-Vía, CV Landauro, J Quispe-Marcatoma, A Champi, ... Journal of Composite Materials 55 (9), 1209-1216, 2021 | 11 | 2021 |
Mechanical and vibrational properties of carbon nitride alloys A Champi, FC Marques Brazilian journal of physics 36, 462-465, 2006 | 10 | 2006 |
Influence of surface band bending on a narrow band gap semiconductor: Tunneling atomic force studies of graphite with Bernal and rhombohedral stacking orders R Ariskina, M Schnedler, PD Esquinazi, A Champi, M Stiller, W Hergert, ... Physical Review Materials 5 (4), 044601, 2021 | 9 | 2021 |
Optimization of the polarized Klein tunneling currents in a sub-lattice: pseudo-spin filters and latticetronics in graphene ribbons LIA López, SM Yaro, A Champi, S Ujevic, M Mendoza Journal of Physics: Condensed Matter 26 (6), 065301, 2014 | 9 | 2014 |
Simultaneous carbonization and sulfonation of microcrystalline cellulose to obtain solid acid catalyst and carbon quantum dots MCG Souza, ACF Batista, RF Cuevas, WJF da Silva Filho, MAG Balanta, ... Bioresource Technology Reports 19, 101193, 2022 | 8 | 2022 |
Determination of the number of graphene layers on different substrates by optical microscopy technique F Obelenis, A Champi Brazilian Journal of Physics 44, 682-686, 2014 | 8 | 2014 |
Thermal expansion coefficient, mechanical and structural properties of hydrogenated carbon nitrides A Champi, FC Marques Diamond and related materials 25, 124-127, 2012 | 6 | 2012 |
Graphene modification with gold nanoparticles using the gas aggregation technique LEG Armas, GT Landi, MFG Huila, A Champi, M Pojar, AC Seabra, ... Diamond and related materials 23, 18-22, 2012 | 6 | 2012 |