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William Trujillo Herrera

Curriculum Vitae del Dr. William Trujillo Herrera:


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http://www.agdes.pe/wth-full.html


Saludos

____________________________________________
Wiliam Trujillo Herrera, Ph.D. - Gerente de Proyectos
Asesoría Global para el Desarrollo Sostenible
Perú - Tel.: +51 (1) 567-7895 ; Cel.: +51 (1) 9915-32921
Brasil - Tel.: +55 (21) 21417411; Cel.: +55 (21) 8105-8037
_________________________________
Wiliam Trujillo Herrera, Ph.D.
Experimental Physics Department
Brazilian Center for Research in Physics ( CBPF)

Office: 111D Phone: +55 21 21417411

 

Education

·         Bachelor degree in Physics (2004): Universidad Nacional Mayor de San Marcos, (UNMSM), Lima, Perú.

·         Master degree in Science (2007): Centro Brasileiro de Pesquisas Físicas, Rio de Janeiro, Brazil.

·         Doctor degree in Science (2011): Centro Brasileiro de Pesquisas Físicas, Rio de Janeiro, Brazil.

·         Posdoctoral Position (2012): Universidade Federal Fluminense, Niterói, Rio de Janeiro, Brasil.

 

Professional employment and appointments

Assistant Professor, Department of Solid State Physics, National University of San Marcos (UNMSM), Lima – Perú, March to July 2005.

Honorary distinctions and awards

Certificate of Excellence for Second Place Student Presentation. SPIE, Connecting Minds Advancing light, Student Services Awards. In II International Conference of Spectroscopy. Lima-Perú, March 9 to 13, 2009.

Research subjects

·    Nanostructured composites produced by Vapor Deposition.

·    Topological insulators and superconductors.

·    Magnetic nanoparticles systems.

·    Iron oxide nanoparticles for biological applications, industry and catalysis.

·    Study of hyperfine interactions and magnetic properties by Mössbauer spectroscopy.

·    Strongly Correlated Electron Systems.

·    Physics of Condensate Matter: magnetic thin films, mechano-synthesis, pulsed electro-deposition, Mössbauer spectroscopy, μSR, HRTEM, x-ray diffraction, x-ray absorption (EXAFS), magnetometry, electronic transport measurements, low temperature measurements.

 

Refereed publications

Published: 

1.     W. T. Herrera, Y. T. Xing, S. M. Ramos, P. Munayco, M. B. Fontes, E. M. Baggio-Saitovitch, and F. J. Litterst, Kondo Effect and Spin Glass Behavior of Dilute Iron Clusters in Silver Films, Physical Review B. Phys. Rev. B 84, 014430 (2011), Published on line 28 July 2011,  DOI: 10.1103/PhysRevB.84.014430 

2.     W.T. Herrera, I. Dinola, E.M. Baggio Saitovitch, M. Kraken, and F.J. Litterst. Magnetic Dynamics of Dilute Iron Nano-Clusters in Silver Films from Mössbauer Spectroscopy and Muon Spin Rotation Hyperfine Interactions. Published on line 30 August 2011, DOI: 10.1007/s10751-011-0373-x 

3.     W.T. Herrera, C. Rojas-ayala, I. Dinóla, E.C. Passamani, M. Kraken, J. Engelke, E. Baggio-Saitovitch, and F.J. Litterst. Aggregates of Iron in Ytterbium Films. Hyperfine Interactions.  Published on line 25 August 2011, DOI: 10.1007/s10751-011-0357-x 

4.     Tiago Pinheiro Braga, Bárbara Maria Campos Sales, Antonio Narcisio Pinheiro, W. T. Herrera, E. Baggio-Saitovitch, Antoninho Valentini. Catalytic properties of cobalt and nickel ferrites dispersed in mesoporous silicon oxide for ethylbenzene dehydrogenation with CO2. Catalysis Science & Technology, Published on line 06 September 2011, Catal. Sci. Technol. 2011, DOI: 10.1039/c1cy00176k 

5.     Y.T. Xing, H. Micklitz, W.T. Herrera, T. G. Rappoport, E. Baggio-Saitovitch, Superconducting transition in Pb/Co nanocomposites: effect of Co volume fraction and external magnetic Field. The European Physical Journal B-Condensed Matter and Complex Systems, Eur. Phys. J. B 76, 353–357 (2010), DOI: 10.1140/epjb/e2010-00183-5 

6.     Tiago Pinheiro Braga, Antônio Narcísio Pinheiro, W. T. Herrera, Y. Xing, E. Baggio-Saitovitch, Antoninho Valentini, Synthesis and characterization of iron oxide nanoparticles dispersed in mesoporous aluminum oxide or silicon oxide. Journal of Materials Science, (2010) J. Mater. Sci. Volume 46, Number 3, 766-773, DOI: 10.1007/s10853-010-4811-y

7.     V. Bilovol, A. M. Mudarra Navarro, W. T. Herrera, D. R. Sánchez, E. M. Baggio-Saitovich, C. E. Rodríguez Torres, F. H. Sánchez, A. F. Cabrera. Low temperature magnetic ordering in Fe-doped TiO2 samples, Hyperfine Interactions, Hyperfine Interact (2010) 195: 155–159, DOI: 10.1007/s10751-009-0113-7. 

Submitted:

1.     C. M.  F. Vieira, M. M. Ribeiro, W. T. Herrera, I. S. Dinóla, E. Saitovitch, S. N. Monteiro, Clayey ceramic incorporated with powder from the sintering plant of a steel-making industry, on May 2010.

 

2.     Tatiana S. Ribeiro, W. T. Herrera, E. Baggio-Saitovitch, Odivaldo C. Alves, Maurício J. Monteiro, Pércio Augusto M. Farias, Judith Felcman, Nicolás A. Rey, Magnetic Studies of SPIONs Coated with Lauric Acid and Oleic Acid for Better Explain its Stability in Physiological pH,  on July 2010.

Book Chapter: 

1.     V. Bilovol, A. M. Mudarra Navarro, W. T. Herrera, D. R. Sánchez, E. M. Baggio-Saitovich, C. E. Rodríguez Torres, F. H. Sánchez and A. F. Cabrera. LACAME 2008: Low temperature magnetic ordering in Fe-doped TiO2 samples, DOI: 10.1007/978-3-642-10764-1_24.

 

Conferences and events

Contributed sessions: 

1.     W. T. Herrera, Tatiana S. Ribeiro, I. Dinola, Nicolás A. Rey, E. Baggio-Saitovitch, Mössbauer Spectroscopy studies of iron oxide nanoparticles capped with lauric and oleic acid for drug delivery, 7th Seeheim Workshop on Mössbauer Spectroscopy, Frankfurt, Germany, June 13-17, 2011. 

2.     W.T. Herrera, I. Dinola, M. Kraken, E. Baggio-Saitovitch, and F.J. Litterst. Structural and Magnetic Properties of Iron Nanoparticles in Silver Films from Mössbauer Spectroscopy, Muon Spin Rotation and EXAFS. 7th Seeheim Workshop on Mössbauer Spectroscopy, Frankfurt, Germany, June 13-17, 2011.

3.     Isabel Dinola, W. T. Herrera, C. Rojas-Ayala, M. Kraken, J. Engelke,   E. Baggio-Saitovitch, and F.J. Litterst, Aggregates of Iron in Ytterbium Films. 7th Seeheim Workshop on Mössbauer Spectroscopy. Frankfurt, Germany, June 13-17, 2011. 

4.     W. T. Herrera, Y. T. Xing, I. Dinola, E. Baggio-Saitovitch, H. Micklitz. A new superconductor-ferromagnet nano-composite: Co clusters in an amorphous Bi film. Fluctuation Phenomena in Interdisciplinary Science, Barcelona, Spain, April 27-29, 2011. 

5.     W. T. Herrera, P. Munayco, E. Baggio-Saitovitch, and F.J. Litterst. Magnetic and Electric Properties of Cadmium Films Containing Nanometer Size Clusters of Iron. 3rd Joint International Conference on Hyperfine Interactions and International Symposium on Nuclear Quadrupole Interactions. CERN, Geneva 23, Switzerland, September 12-17, 2010. 

6.     T. P. Braga, B. M. C. Sales, A. N. Pinheiro, W. T. Herrera, I. Dinola, Y. T. Xing, E. Baggio-Saitovitch, A. Valentini. Synthesis and characterization of nanoparticles of cobalt and nickel ferrites dispersed in mesoporous silicon oxide. 3rd Joint International Conference on Hyperfine Interactions and International Symposium on Nuclear Quadrupole Interactions. CERN, Geneva 23, Switzerland, September 12-17, 2010. 

7.     W. T. Herrera, Y. T. Xing, I. Dinola, U. C. Hernandez, E. Baggio-Saitovitch, H. Micklitz. A new superconductor-ferromagnet nano-composite: Co clusters in an amorphous Bi film. The X International Conference on “Nanostructured Materials” (NANO 2010). Rome, Italy, September 13-17, 2010. 

8.     W. T. Herrera, Chachi Rojas, I. S. Dinóla, Mathias Kraken, E. Baggio-Saitovitch, and F.J. Litterst. Location and Magnetization of Dilute Iron Impurities in Ytterbium Films. XII Latin American Conference on the Application of Mössbauer Effect (LACAME 2010). Lima-Perú November 7-12, 2010. 

9.     W. T. Herrera, P. Munayco, E. Baggio-Saitovitch, and F.J. Litterst. Magnetic and Electric Properties of Cadmium Films Containing Nanometer Size Clusters of Iron. XII Latin American Conference on the Application of Mössbauer Effect (LACAME 2010). Lima-Perú November  7-12, 2010. 

10.  I. S. Dinóla, W. T. Herrera, E. Baggio-Saitovitch, and F.J. Litterst. Low Energy Muon-Spin Rotation study of iron nanoclusters in silver films. XII Latin American Conference on the Application of Mössbauer Effect (LACAME 2010). Lima-Perú, November 7-12, 2010. 

11.  T. P. Braga, B. M. C. Sales, A. N. Pinheiro, W. T. Herrera, I. Dinola, Y. T. Xing, E. Baggio-Saitovitch. Synthesis and characterization of nanoparticles of cobalt and nickel ferrites dispersed in mesoporous silicon oxide. XII Latin American Conference on the Application of Mössbauer Effect (LACAME 2010). Lima-Perú, November 7-12, 2010. 

12.  Y. T. Xing, H. Micklitz, W.T. Herrera, T.G. Rappoport, E.Baggio-Saitovitch. Superconducting transition in Pb/Co nanocomposites: effect of Co volume fraction and external magnetic field. II Simpósio Paulista de Nanotecnologia.  Bauru – São Paulo,  July 29 -30, 2010. 

13.   W. T. Herrera, E. Baggio-Saitovitch, Y. Xing, F. J. Litterst. Study of iron clusters in silver films by Mössbauer spectroscopy, EXAFS, magnetic measurement and electric resistivity. Pan-American Advanced Studies Institute (PASI) The intersection of bio, condensed matter and solid state physics. Palmas del Mar, Humacao, Puerto Rico, May 15-26, 2010. 

14.  T. P. Braga, A. N. Pinheiro, W. T. Herrera, E. M. Baggio-Saitovitch and A. Valentini. Synthesis and characterization of nanoparticles of iron oxide supported on aluminium and silicon oxide by polymeric precursor method. 11th The International Conference on Advanced Materials (ICAM 2009). Rio de Janeiro – Brazil, September 2009. 

15.   T. P. Braga, I.F. Vasconcelos, W. T. Herrera, A. Valentini. Synthesis of spheres containing iron oxide superparamagnetic and aluminum oxide. 11th The International Conference on Advanced Materials (ICAM 2009). Rio de Janeiro - Brazil, September 2009. 

16.  W. T. Herrera, Y. T. Xing, S. M. Ramos, E. M. Baggio-Saitovitch, and F. J. Litterst. Kondo Effect and Spin Glass Behavior of Dilute Iron Clusters in Silver Films. 11th The International Conference on Advanced Materials (ICAM 2009). Rio de Janeiro - Brazil, September 2009. 

17.  W. T. Herrera, Y. Xing, S. M. Ramos, E. Baggio-Saitovitch, F. J. Litterst, Magnetic and electric properties of thin films of silver containing nanometer size clusters of iron.  DAAD School on Fundamentals and Materials for Novel Sensors. Rio de Janeiro - Brazil, July 2009. 

18.  W. T. Herrera, E. M. Baggio-Saitovitch, F. J. Litterst and H. Micklitz. Mössbauer spectroscopy, X-ray diffraction and electric resistivity study of silver films containing nanosize iron clusters, II Conferencia Internacional de Espectroscopia, Lima-Perú, March 9-13, 2009.  

19.  W. T. Herrera, E. M. Baggio-Saitovitch, F. J. Litterst and H. Micklitz. Mössbauer spectroscopy, X-ray diffraction and electric resistivity study of silver films containing nanosize iron clusters, in: II Escuela Andina de Espectroscopia. Lima - Perú, March 1-6, 2009. 

20.  W. T. Herrera, S. M. R. Silva, Yutao Xing, E. M. Baggio-Saitovitch, F. J. Litterst. Kondo effect and spin glass competition in silver films containing nanometer size clusters of iron, International Conference on Strongly Correlated Electron Systems 2008 (SCES 2008).Búzios, Brazil, September 2008. 

21.  E. M. Baggio-Saitovitch, S. M. R. Silva, Yutao Xing, W. T. Herrera, F. J. Litterst. Large magnetic and electric properties of thin films of silver and cadmium containing nanometer size clusters of iron, In: XI Latin American Conference on the Applications of the Mossbauer Effect, La Plata, Argentina, November  9-14, 2008. 

22.  V. Bilovol, A. M. Mudarra Navarro, W. T. Herrera, D. Sanchez, E. M.  Baggio-Saitovitch, C. E. Rodriguéz Torres, F. H. Sanchez, A. F. Cabrera, Low temperature Mössbauer and magnetic characterizations of alpha-Fe2O3-TiO3 oxides, In: XI Latin American Conference on the Applications of the Mossbauer Effect. La Plata, Argentina, November  9-14, 2008. 

23.  W. T. Herrera, E. M. Baggio-Saitovitch, F. J. Litterst. Magnetic Properties of Iron Nanoclusters, in Silver In: XI Latin American Conference on the Applications of the Mossbauer Effect. La PLata, Argentina, November 9-14, 2008. 

24.  W. T. Herrera, R. J. S. C. M. Fonseca, E. M. Baggio-Saitovitch, and  F. J. Litterst. Propriedades magnéticas e de transporte de nanoclusters de Fe em filmes de Ag, In: XXXI Encontro Nacional de Física da Matéria Condensada, Águas de Lindóia - Brazil, May 5-9, 2008. 

25.  W. T. Herrera, Yutao Xing, P. Munayco, E. M. Baggio-Saitovitch, F. J. Litterst, and H. Micklitz. Studies of electrical and magnetic properties of silver films containing nanometer size clusters of iron, In: 9th International Conference on Nanostructured Materials - NANO 2008. Rio de Janeiro - Brazil, June 1-6, 2008. 

26.   W. T. Herrera, E. M. Baggio-Saitovitch, and F. J. Litterst. Propriedades Magnéticas de Nanoclusters de Fe em filmes de Ag, In: XV Encontro Jacques Danon de Espectroscopia Mössbauer. libro de resumo do XV Encontro Jacques Danon de Espectroscopia Mössbauer. Manaus - Brazil, December 17-19, 2007.

27.   P. Munayco, W. T. Herrera, F. J. Litterst, H. Micklitz, and E. M. Baggio-Saitovitch. Magnetic properties of iron nanoclusters in silver, In: VIII Latin American Workshop on Magnetism, Magnetic Materials and their Applications. Program and abstracts of VIII Latin American Workshop on Magnetism, Magnetic Materials and their Applications. Rio de Janeiro - Brazil, August 12-16, 2007.

28.  W. T. Herrera, J. Larrea, P. Munayco, F. J. Litterst, H. Micklitz, and E. M. Baggio-Saitovitch. Magnetismo local de Fe em nanoparticulas de Fe em Ag, In: XXX Encontro Nacional de Física da Materia Condensada. Libro de resumos do XXX Encontro Nacional de Física da Matéria Condensada, São Lourenço- Brazil, May 7-11, 2007.

29.   W. T. Herrera, A. Bustamante Dominguez. Superparamagnetismo de Nanopartículas de Ni en Al-MCM41. VII Simposio Nacional de Estudiantes de Física. Cuzco-Perú, October 2004.

 

Participations:
 

1. The 23rd annual TRIUMF Summer Institute (TSI), Summer School on Muon Spin Rotation (µSR) and Beta-detected NMR (βNMR), Vancouver, Canadá, August 8-19, 2011.

2. 7th Seeheim Workshop on Mössbauer Spectroscopy, Frankfurt, Germany, June 13-17, 2011.

3. Fluctuation Phenomena in Interdisciplinary Science, Barcelona, Spain, April 27-29, 2011.

4. Advanced School on High Resolution Electron Microscopy. INMETRO, Xerém - Rio de Janeiro, January 24 to February 18, 2011.

5. 3rd Joint International Conference on Hyperfine Interactions and International Symposium on Nuclear Quadrupole Interactions. CERN, Geneva 23, Switzerland, September 12-17, 2010.

6. XII Latin American Conference on the Application of Mossbauer Effect (LACAME 2010). Lima-Perú November 7-12, 2010.

7. Pan-American Advanced Studies Institute (PASI) The intersection of bio, condensed matter and solid state physics. Palmas del Mar, Humacao, Puerto Rico, May 15-26, 2010.

8. 11th The International Conference on Advanced Materials (ICAM 2009). Rio de Janeiro- Brazil, September 20-25, 2009.

9. DAAD School on Fundamentals and Materials for Novel Sensors. Rio de Janeiro – Brazil, July 13-24, 2009.

10. 3rd I2CAM/FAPERJ School on Condensed Soft Matter Physics. Rio de Janeiro - Brazil, May 17 -23, 2009.

11. II Conferencia Internacional de Espectroscopia, Lima-Perú, March 9-3, 2009.

12. II Escuela Andina de Espectroscopia, Lima - Perú, March 1 – 6, 2009

13. XI Latin American Conference on the Applicationes of the Mossbauer Effect. November 9-14, 2008.

14. International Conference on Strongly Correlated Electron Systems 2008. Búzios – Brazil, September 17 - 22, 2008.

15. XXXI Encontro Nacional de Física da Matéria Condensada. Águas de Lindóia - Brazil, May 5-9, 2008.

16. 9th International Conference on Nanostructured Materials - NANO 2008. Rio de Janeiro - Brazil, June 1-6, 2008.

17. Mini curo: Técnicas de Interações Hiperfinas Aplicadas ao Estudo de Materiais(Program CAPES/SPU). May 7 to April 6, 2008.

18. Mini curso: Técnicas de interacciones hiperfinas aplicadas al estudio de diversos materiales. February 4 to March 4, 2008.

19. 2rd 12CAM/FAPERJ School on Biological Physics. Rio de Janeiro - Brazil. March 16-21, 2008.

21. I escola de Nanofabricação. Rio de Janeiro – Brazil, September 17-20 , 2007.

22. XIV International Conference on Hyperfine Interactions and the XVIII International Symposium on Nuclear Quadrupole Interactions. August 5-10, 2007.

22. XXX Encontro Nacional de Física da Matéria Condensada. 7th to 11th May, 2007

23. Mini-Curso: Application of Hyperfine Interactions Techniques to the Study of Properties of Solids (Program CAPES/SPU). March 19-30, 2007.

24. 2rd 12CAM/FAPERJ Spring School on Emergent Matter: New Phenomena in Highly Correlated Quantum Matter. March 11-17, 2007.

25. XV Encontro Jacques Danon de Espectroscopia Mössbauer. December 17-9, 2007.

26. Mini curso: Cristalografia e Difração de Raios-X. November 6 to December 5, 2006.

27. X Conferência Latino-Americana sobre as Aplicações do Efeito Mössbauer, LACAME 2006. November 5-9, 2006.

28. VI Escola do CBPF, CBPF, Rio de Janeiro, Brazil, July 17-28, 2006.

29. Mini curso: Fabricação e Caracterização de Nanoestruturas. March 20-24, 2006.

30. XII Encuentro Científico Internacional de Verano. January 2-5, 2006.

31. XIV Encontro Jacques Danon de Espectroscopia Mössbauer. November 17-9, 2005.

32. XII Encuentro Científico Internacional de Verano. January 2-5, 2005.

33. III conferencia peruana de materiales, October 27--29, 2004.

34. VII Simposio Nacional de Estudiantes de Física. Cuzco 2004.

35. Mini curso: Curso internacional de Ciencia de Materiales.Preparacion y Caracterización de nanoestructuras. 2004.

36. XI Encuentro Científico Internacional de Verano. January 2-5, 2004.

37. XIV Simposium Peruano de Física. 2003.

38. II Encuentro Científico Internacional (ECI). January 2-5, 2003.

39. Encuentro Cientifico Peruano (ECP) July 30 to August 2, 2002.

40. XIII Simposium Peruano de Física. 2000.

41. V Simposio Nacional de Estudiantes de Física. 2000.

 

Scientific projects

Concluded: 

  1. Project: 20091470, Approved 3 days LEM (Low-Energy Muons laboratory). Swiss Muon Source (SμS). Associate researcher, Project name: Spin glass behavior of very dilute iron nano-clusters in silver films. Jochen Litterst, Elisa Baggio-Saitovitch, Wiliam Trujillo Herrera, Isabel Dinola, Mhatias Kraken. Paul Scherrer Institute (PSI), 5232 Villigen, Switzerland. September 24-26 (2010).

 

  1. Project: D04B - XAFS1-8301. Brazilian Synchrotron Light Laboratory (LNLS). Approved 3 days. Associate researcher. Project name: Study by XAS of dilute magnetic nanoclusters in metal matrix in the form of thin films. Scheilla Maria Ramos da Silva, Igor Frota Vasconcelos, Wiliam Trujillo Herrera. LNLS, Campinas, Brazil, April 22-24 (2009).

 

Submeted: 

  1. Proposal 20101427, 6 days LEM (Low-Energy Muons laboratory), Swiss Muon Source (SμS. Project name: Spin Glass Behavior of very Dilute Iron Nano-Clusters in Silver Films. Jochen Litterst, Wiliam Trujillo Herrera, Elisa Baggio-Saitovitch, Isabel Cristina Dinola, Mr. Mathias Kraken, Magda B Fontes. Paul Scherrer Institute (PSI), 5232 Villigen, Switzerland.

 

  1. LABNANO-CBPF, Project: LABNANO-5-2011, Project name: Caracterização de Variados Nanocompósitos Supercondutores e Ferromagnetos. CBPF, Rio de Janeiro.

 

 

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