Publicaciones de laboratorio

2024

  1. Impact of the thickness on the optical and electronic and structural properties of sputtered Cu<inf>2</inf>S thin films. J.R.Velasquez-Ordoñez J.Rivera-Taco D.G. Pacheco-Salazar J.A. H. Coaquira J.L. Maldonado J.A. Guerra P.Llontop P.C. Morais F.F.H. Aragón Journal of Applied Physics Volume 135, 14 February 2024, 065703 DOI: https://doi.org/10.1063/5.0191049
  2. Engineering Er-doped ZnO nanocrystals for As-removal: Targeting water remediation. F.F.H. Aragón, L. Villegas-Lelovsky, J.G. Parizaka, E.G. Zela, R. Bendezu, R.O. Gallegos, J.A.H. Coaquira, D.G. Pacheco-Salazar, S.W. da Silva, J. Garnier, P.C. Morais. Journal of Alloys and Compounds Volume 977, 15 March 2024, 173251
  3. Thickness dependence of the room-temperature ethanol sensor properties of Cu2O polycrystalline films. B. D. Aparicio-Huacarpuma, Fermin Fidel Herrera Aragon, Leonardo Villegas-Lelovsky, C. M. Soncco, D. G. Pacheco-Salazar, Jorge Andres Guerra, Paulo C. De Morais, S. W. Da Silva and Jose A. H. Coaquira Nanotechnology, may 2024 DOI: 10.1088/1361-6528/ad47cc

2023

  1. Evidence of progressive Fe2+ to Fe3+oxidation in Fe2+-doped ZnO nanoparticles. F. H. Aragón, L. Villegas-Lelovsky, J. G. Parizaka, E. G. Zela, R. Bendezu, R. O. Gallegos,  D. G. Pacheco-Salazar, S. W. da Silva, R. Cohen, L. C. C. M. Nagamine,  J. A. H. Coaquira  and P. C. Morais. Materials Advances 2023. DOI https://doi.org/10.1039/D3MA00053B
  2. Enhancing the photoconductivity and gas sensing performance of TiO2/SnO2 heterostructures tuned by the thickness of the SnO2 upper layer. S.A. De la Torre Pari, J.C.R. Aquino, A.F. Carlos-Chilo, J.A. Guerra, J.A.H. Coaquira, D.G. Pacheco-Salazar, J.F. Felix, J.L. Solis, F.F.H. Aragón. Applied Surface Science. Volume 613, 15 March 2023, 156028.
    DOI: https://doi.org/10.1016/j.apsusc.2022.156028
  3. Cu-doped SnO<inf>2</inf> nanoparticles: size and antibacterial activity investigations. F.F.H. Aragón, L. Villegas-Lelovsky, J.I. Castillo-Llanos, C.M. Soncco, J.L. Solis, G.H. Peralta-Alarcón, D.G. Pacheco-Salazar and P.C. Morais. RSC Advance. Volume 13, 27 September 2023, 28482-28492 DOI: https://doi.org/10.1039/D3RA05089K

2022

  1. High efficiency of magnetite nanoparticles for the arsenic removal from an aqueous solution and natural water taken from Tambo River in Peru. N. L. Tapia Falcon, M. Huanca Ccamerccoa, L. León Félix, D. G. Pacheco-Salazar, F. F. H. Aragón, J. A. H. Coaquira, Jéremie Garnier, and C. Vera-Gonzales. Journal of Environmental Health Science and Engineering (2022). J Environ Health Sci Engineer (2022).ttps://doi.org/10.1007/s40201-022-00825-y
  2. Tuning intrinsic defects in ZnO films by controlling the vacuum annealing temperature: an experimental and theoretical approach. J. Paz-Corrales, C. A. Vilca-Huayhua, F. F. H. Aragón, L. Villegas-Lelovsky, J. A. H. Coaquira, S. W. da Silva, G. E Marques, Marcio D. Teodoro, and D. G. Pacheco-Salazar. Physica Scripta (2022) https://doi.org/10.1088/1402-4896/ac758b
  3. Synthesis and characterization of α-Fe2O3 nanoparticles showing potential applications for sensing quaternary ammonium vapor at room temperature. Luis T. Quispe, L. G. Luza Mamani, A. A. Baldárrago-Alcántara , L León Félix , Gerardo F. Goya , J. A. Fuentes-García, D. G. Pacheco-Salazar and J. A. H. Coaquira. Nanotechnology 33 (2022) 335704 https://doi.org/10.1088/1361-6528/ac6c93
  4. Effect of annealing temperature on the structural, thermoluminescent, and optical properties of naturally present salt from Lluta region of Peru. Carlos D. Gonzales-Lorenzo, Darwin J. Callo-Escobar, Alberto A. Ccollque-Quispe, T. K. Gundu Rao, F.F.H. Aragón, J.C.R. Aquino, D.G. Pacheco-Salazar, H. Loro, Jose F. Benavente, Jessica Mosqueira-Yauri, Henry S. Javier-Ccallata, Jorge S. Ayala-Arenas, Nilo F. Cano. Optical Materials. 126 (2022) 112215. https://doi.org/10.1016/j.optmat.2022.112215
  5. Indirect excitation and luminescence activation of Tb doped indium tin oxide and its impact on the host’s optical and electrical properties. P. Llontop, C. E. Torres, M Piñeiro, L. Conde, A. Tejada, J. A. Töfflinger, Rumiche, F. F. H. Aragón, D. G. Pacheco-Salazar, R. Grieseler, L. Korte and J. A. Guerra. Journal of Physics D: Applied Physics 55 (2022) 210002 (14pp), https://doi.org/10.1088/1361-6463/ac52fc
  6. Tuning the photocatalytic activity of ZnO nanoparticles by the annihilation of intrinsic defects provoked by the thermal annealing. C. Andia‑Huaracha, L. M. Zapana‑Cayo, F. F. H. Aragón, J. C. Romero Aquino, J. A. H. Coaquira, C. D. Gonzales‑Lorenzo, J. S. Ayala‑Arenas, J. L. Solis, P. C. Morais, D. G. Pacheco‑Salazar. J Nanopart Res (2022) 24:50. https:// doi.org/10.1007/s11051-022-05421-7

2021

  1. Core-shell Au/Fe3O4 nanocomposite synthesized by thermal decomposition method: structural, optical, and magnetic properties. G. B. Oliveira-Filho; J. J. Atoche-Medrano; F. F. H. Aragon; J. C. Mantilla Ochoa; D. G. Pacheco-Salazar; S. W. da Silva and J. A. H. Coaquira. Applied Surface Science. 867 (2021) 158866. https://doi.org/10.1016/j.apsusc.2021.150290
  2. Fe content effects on structural, electrical and magnetic properties of Fe- doped ITO polycrystalline powders. F.F.H. Aragón, J.A.H. Coaquira, S.W. da Silva, R. Cohen, D.G. Pacheco-Salazar, L.C.C.M. Nagamine. Journal of Alloys and Compounds, 867 (2021) 158866. https://doi.org/10.1016/j.jallcom.2021.158866.
  3. Simple synthesis of gold‑decorated silica nanoparticles by in situ precipitation method with new plasmonic properties. Lizbet León Félix, Joaquin Martinez Porcel, Fermín Fidel Herrera Aragón, David Gregorio Pacheco‑Salazar, Marcelo Henrique Sousa. SN Applied Sciences, (2021) 3:443. doi.org/10.1007/s42452-021-04456-0
  4. Tuning the magnetic properties of Sn1-x-yCe4+xCe3+yO2 nanoparticles: an experimental and theoretical approach. F. F. H. Aragón L. Villegas-Lelovsky, L. Cabral, M. P. Lima, A. Mesquita and J.A.H. Coaquira. Nanoscale Adv., 2021, 3, 1484-1495; DOI: https://doi.org/10.1039/D0NA00700E
  5. Cobalt doping induced shape transformation and its effect on luminescence in zinc oxide rod-like nanostructures. Lalit Kumar Gaur, Preeti Gairola, S. P. Gairola, Mohan Chandra Mathpal, Promod Kumar, Sachin Kumar, Dushyant Kushavah, Vivek Agrahari, F.F.H. Aragon, Maria A. G. Soler, Hendrik C. Swart. Journal of Alloys and Compounds, Volume 868, 5 July 2021, 159189 https://doi.org/10.1016/j.jallcom.2021.159189
  6. Tuning the shape, size, phase composition and stoichiometry of iron oxide nanoparticles: The role of phosphate anions. Gopal Niraula, Jose A.H. Coaquira, Fermin H. Aragon, Bianca M. Galeano Villar, Alexandre Mello, Flavio Garcia, Diego Muraca, Giorgio Zoppellaro, Jose M. Vargas, Surender K. Sharma. Journal of Alloys and Compounds, Volume 856, 5 March 2021, 156940 https://doi.org/10.1016/j.jallcom.2020.156940
  7. Stoichiometry and Orientation- and Shape-Mediated Switching Field Enhancement of the Heating Properties of Fe3O4 Circular Nanodiscs. Gopal Niraula, Jose A. H. Coaquira, Fermin H. Aragon, Andris F. Bakuzis, Bianca M. G. Villar, Flavio Garcia, Diego Muraca, Giorgio Zoppellaro, Ahmad I. Ayesh, and Surender K. Sharma. Phys. Rev. Applied, 15, 014056 –2021 https://doi.org/10.1103/PhysRevApplied.15.014056

2020

  1. Engineering of the band gap induced by Ce surface enrichment in Ce-doped SnO2D. G. Pacheco-Salazar, L. Villegas-Lelovsky, A. Ortiz de Zevallos, G.E. Marques, J.A.H. Coaquira. Applied Surface Science. 146794, 2020 . DOI: 10.1016/j.apsusc.2020.146794
  2. Growth and vacuum post-annealing effect on the structural, electrical and optical properties of Sn-doped In2O3thin films. C. A. Vilca-Huayhua, K. J. Paz-Corrales, F. F. H. Aragón, M. C. Mathpal, L Villegas-Lelovsky, J.A.H.Coaquira D. G.Pacheco-Salazar,. Thin Solid Films, 709, 138207. 2020. https://doi.org/10.1088/1361-6463/ab3968
  3. Influence of Dy doping on the structural, vibrational, optical, electronic, and magnetic properties of SnO2J. C. R. Aquino, F.F.H Aragon, D. G. Pacheco-Salazar, and J.A. H Coaquira. Journal of Nanoparticle Research. J Nanopart Res,23, 90 (2020) https://doi.org/10.1007/s11051-021-05187-4
  4. One-step synthesis of polyethyleneimine-coated magnetite nanoparticles and their structural, magnetic and power absorption study. Lizbet León Félix, Marco Antonio Rodriguez Martínez, David Gregorio Pacheco Salazar, and  José Antonio Huamani Coaquira. RSC Adv., 2020,10, 41807-41815. 2020. DOI:10.1039/d0ra08872b
  5. Field-driven spin reorientation in SmMnO3polycrystalline powders. John Mantilla, Marco Morales, Wenderson Venceslau, Laura Corredor, P. C. Morais, Fermin F.H.Aragón, Sebastião William da Silva, Jose A. Coaquira. Journal of Alloys and Compounds, Volume 845, 10 December 2020, 156327. https://doi.org/10.1016/j.jallcom.2020.156327
  6. Using time domain reflectometry to estimate water content of three soil orders under savanna in Brazil. Tairone Paiva Leão, Bruna Freire Domingues da Costa, Vinicius Bof Bufon, Fermin Fidel Herrera Aragón. Geoderma Regional, Volume 21,  June 2020, e00280. https://doi.org/10.1016/j.geodrs.2020.e00280
  7. Tailoring the physical and chemical properties of Sn1−xCoxO2 nanoparticles: an experimental and theoretical approach. F. H. Aragón, L. Villegas-Lelovsky, L. Cabral, M. P. Lima,  J. C. R. Aquino, M. C. Mathpal, J. A. H. Coaquira, S. W. da Silva, L. C. C. M. Nagamine, S. O. Parreiras, P. L. Gastelois, G. E. Marques and  W. A. A. Macedo. Phys. Chem. Chem. Phys., 2020,22, 3702-371 https://doi.org/10.1039/C9CP05928H

2019

Lattice strain effects on the structural properties and band gap tailoring in columnarly grown Fe-doped SnO2 films deposited by DC sputtering. Y B Guillen-Baca, C A Vilca Huayhua, K J Paz Corrales, A F Carlos-Chilo, F F H Aragón, M C Mathpal, S W da Silva, J A H Coaquira, W Sucasaire, J A Guerra and D G Pacheco-Salazar. Journal of Physics D: Applied Physics, 52 (46), 465306, 2019. DOI: 10.1088/1361-6463/ab3968

2018

Study of Columnar Growth Polycrystalline (Sn, Cr) co-doped In2O3 films deposited by sputtering technique for potential gas sensors applications. A.F.Carlos-Chilo, L.G.Luza-Mamani, A.A. Baldárrago-Alcántara, F.F.H. Aragón, C. Vera-Gonzales, J.A.H. Coaquira, W. Sucasaire, J.G. Rodriguez-Romero, D.G. Pacheco-Salazar. Vacuum, Volume 157, November 2018, Pages 475-480. DOI: 10.1016/j.vacuum.2018.08.032

2017

Characterization of polycrystalline SnO2 films deposited by DC sputtering technique with potential for technological applications.  Aragón, F.H. ; Aquino, J.C.R. ; Gomes, N.C.S. ; Ardisson, J.D. ; Da Silva, S.W. ; Pacheco-Salazar, D.G. ; Coaquira, J.A.H. Journal of the European Ceramic Society, August 2017, Vol.37(10), pp.3375-3380. DOI:  https://doi.org/10.1016/j.jeurceramsoc.2017.04.014