Date of Birth: April 03,1965
Place of Birth: Araras - Sao Paulo - Brazil

Brazilian citizen

Phone: 55-16-260 8214
Fax: 55-16-261-5215
Email: derl@power.ufscar.br

July 1990 to Oct. 1993: Material Engineering Department, Federal University of Sao Carlos (UFSCar), Brazil (Ph.D) - Title of Thesis - "Synthesis and sintering of SrTiO3 Prepared by Polymeric Precursor Method".

July 1988 to July 1990: Material Engineering Department, Federal University of Sao Carlos, Sao Carlos (UFSCar), Brazil (M.Sc Program) - Title of Thesis - "New Degradation Model for Zinc Oxide Varistor".

July 12983 to July 1988: Material Engineering Department, Federal University of Sao Carlos, Sao Carlos (UFSCar), Brazil (graduation in Material Engineer).

January 1994 to present: Assistant Professor - Chemical Department - Federal University of Sao Carlos (UFSCar).

May 1992 to December 1993: Researcher of Materials Characterization Center - Material Engineering Department - Federal University of Sao Carlos, Sao Carlos (UFSCar), Brazil.

August 1998 to May 1992: Development Engineer - Electrical and Telecommunication Products Group - 3M of Brazil (Sumare, Sao Paulo, Brazil).

Member of the American Ceramic Society

Reviewer of the following scientific magazines:

Ceramica" - magazine of the Brazilian Ceramic Association
Applied Organometallic Chemistry
J. Material Science
J. Solid State Chemistry
Advanced Materials

1- E.R. Leite, J.A. Varela and E. Longo "Voltage Barrier Degradation of ZnO Varistor by Current Pulse", J. Appl. Phys., 72 (1), 147-50 (1992).

2- E.R. Leite, J.A. Varela and E. Longo "A New Interpretation for the Degradation Phenomena of ZnO Varistor", J. Mat. Science, 27(9), 5325-29 (1992).

3- J.A. Cerri, M.A.L. Nobre, E. Longo, E.R. Leite and J.A. Varela, "Polymeric Route Processing of ZnO Varistor", in Third Euro-Ceramics, Processing of Ceramics, vol. 1, Ed. by P. Duran and J.F. Fernandez, Faenza Editrice Iberica S.L., pg 303-308 (1993).

4- E.R. Leite, E. Longo, M.C. S. Cavaco, L.C. Carvalho, J. Avena and J.A. Varela, "Synthesis of (Nb,Sr) doped PZT by partial oxalate method" in Third Euro-Ceramics, Processing of Ceramics, vol. 1, Ed. by P. Duran and J.F. Fernandez, Faenza Editrice Iberica S.L., pg 309-16 (1993).

5- M. Cerqueira, R.S. Nasar, E.R. Leite, E. Longo and J.A. Varela, "Synthesis of ultra-fine crystalline ZrxTi1-xO4 powder by polimeric precursor method". Materials Letters 22, 181-85 (1995).

6- E.R. Leite, J.A. Varela, E. Longo and C.M.G. Souza, "Influence of the polymerization on the synthesis of SrTiO3: Part I, Characteristics of the polymerics precursors and its thermal decomposition", Ceramic International, 21, 143-52 (1995).

7- E.R. Leite, J.A. Varela, E.Longo and C.A. Paskocimas, "Influence of the polymerization on the synthesis of SrTiO3. Part II, Particle and Aglomerate Morphologies", Ceramic International, 21, 153-58 (1995).

8- C.A. Paskocimas, E.R. Leite, E. Longo & J.A. Varela, "Morphological Characterization of oxide ceramic powders obtained by the polymeric precursors method", Ceramics: Charting the Future, vol. 1 Ed. by P. Vincenzini, Techna, Faenza, 1435-1442 (1995).

9- E.R. Leite, M. Cerqueira, L. Perazolli, R.S. Nasar, J.A. Varela, "Mechanism of Phase Formation in Pb(ZrxTi1-x)O3 synthesis by a Partial Oxalate Method, J. Am. Ceram. Soc., 79 [6], 1563-68 (1996).

10- J.A. Cerri, E.R. Leite, E. Longo, D. Gouvea and J.A. Varela - The effect of CoO and MnO2 on Sintering of SnO2, J. Am. Ceram. Soc., 79[3] 799-804 (1996).

11- E.R. Leite, M.A.L. Nobre, E. Longo and J.A. Varela "Microstrucutural Development of ZnO varistor during reactive liquid phase sintering" J. Mater. Science, 31,5391-98, (1996).

12- M.A.L. Nobre, E. Longo, E.R. Leite and J.A. Varela "Synthesis and Sintering of Ultra fine NaNbO3 Powder by Polymeric Precursors Method", Materials Letters 28, 215-20 (1996).

13- J. Boillet, W. Kobayashi, W.J. Snyder, C.A. Paskocimas, E.R. Leite, E. Longo and J.A. Varela", Corrosion of Silica and Mullite Refractories used in Glass Furnaces Under 100% Oxy-Firing Process", Ceram. Eng. Sci. Proc., 17[2], 180-88 (1996).

14- E.R. Leite, M.A.L. Nobre, E. Longo and J.A. Varela "Reactive Liquid Phase Sintering in Zinc Oxide Varistor Materials" Sintering Technology, ed. by R.M. German, G.L. Messing and R.G. Cornwall", Marcel Dekker, N. York 481-88 (1996).

15- J. Boillet, C.A. Paskocimas, E.R. Leite, E. Longo, J.A. Varela, W.T. Kobayashi and W.J. Snyder "The influence of Oxy-Fuel Combustion Atmosphere in Glass Furnaces on Refractory Corrosion", Corrosion of Material by Molten Glass. Ceramic Transactions, vol. 78, ed. By G. Pecoraro., the Am. Ceram. Soc. Inc., Westerville OH, 217-237 (1996).

16- S.M. Zanetti, E. Longo, J.A. Varela and E.R. Leite, "Microstructure and Phase evolution of SrTiO3 Thin Films on Si Prepared by the use of Polymeric Precursor", Materials Letters 31, 173-178 (1997).

17- E. Camargo, P. Bueno, S. Pianaro, E.R. Leite, E. Longo and J.A. Varela "Effect of Cr2O3 in the varistor behaviour of a TiO2", Journal of Materials Science Letters, 15, 2048-2050 (1996).

18- R. Mucillo, J.A. Cerri, E.R. Leite, E. Longo and J.A. Varela "Impedance Spectroscopy of SnO2:CoO during Sintering, Materials Letters, 30, 125-30 (1997).

19- E.R. Leite, M.A.L. Nobre, M. Cerqueira, E. Longo and J.A. Varela, "Particle Growth During Calcination of Polycation Oxides Synthesized by the Polymeric Precursors Method", J. Am. Ceram. Soc., 80 [10], 2649-57 (1997).

20- J.A. Cerri, E.R. Leite, E. Longo and J.A. Varela, "Grain Grownth Kinetics of MnO2 or CoO doped SnO2", Science of Sintering, 28(3), 151-57 (1996).

21- R. Andrade Jr., E.R. Leite, A.J. Lanfredi and W.A. Ortiz "The reversibility line of magnetically grain-aligned Hg-1212 sample - Evidences of flux line lattice melting" Physica C, 282-287, 2051-52 (1997).

22- J.D. Santos, E. Longo, E.R. Leite and J.A. Varela "Model for zinc oxide varistor", J. Mat. Research, 13 [5] 1152-57 (1998).

23- V. Bouquet, S.M. Zanetti, C.R. Foschini, E.R. Leite, E. Longo and J.A. Varela, "Ferroelectric thin Films Prepared by a Polymeric Precursor Method", in Innovative Processing and Synthesis of Ceramic, Glasses, and Composites, Ceramic Transactions, vol. 85, ed by. N.P. Bansal, K.V. Logan and J.P. Singh, pg 333-43, The Am. Ceram. Soc. Inc., Westerville OH (1998).

24- S.M. Zanetti, E.R. Leite, E. Longo and J.A. Varela "Preparation and characterization of SrBi2Nb2O9 thin films made by polymeric precursors", J. Mater. Res., vol. 13, n. 10 (1998).

25- J.A. Cerri, I.M.G. Santos, E. Longo, E.R. Leite, R.M. Lebullenger, A.C. Hernandes, J.A. Varela "Characteristics of PbO-BiO1.5-GaO1.5 glasses melted in SnO2 cruclibles" J. Am. Ceram. Soc. 81 [3] 705-708 (1998).

26- M. Cerqueira, R.S. Nasar, E.R. Leite, E. Longo, J.A. Varela "Synthesis and characterization of PLZT (9/65/35) by the Pechini method and partial oxalate" Materials Letters, 35, 166-171 (1998).

27- E.R. Leite, M.A.L. Nobre, M.D. Ribeiro, E. Longo "The effect of heating rate on the sintering of an agglomerated NaNbO3 powders", Journal of Materials Science 33, 1-5 (1998).

28-E.C. Paris, E.R. Leite, E. Longo, J.A. Varela "Synthesis of PbTiO3 by use of polymeric precursors", Materials Letters 37, 1-5 (1998).

29- J. A Varela, L.A Perazolli, E. Longo, E.R. Leite and J.A Cerri "Effect of atmosphere and dopants on sintering of SnO2", Radiation Effects and Defects in Solids, vol 146, 131-43 (1998).

30- C.A Paskocimas, E.R. Leite, E. Longo, W.T. Kobayashi, M. Zorrozua and J.A Varela "Determination of corrosion factors in glasss furnaces" Ceram. Eng. Sci. Proc., 19 [1], 75-88 (1998).

31- S.M. Zanetti, E.R. Leite, J.A. Varela and E. Longo "Origin of Cracks Developed During SrTiO3 Thin Film Preparation from Polymeric Precursors" Applied Organometallic Chemistry, 13, 373-82 (1999).

32- S.M. Zanetti, E.R. Leite, E. Longo, J.A. Varela, "The influence of crystallization route on the SrBi2Nb2O9 thin films" Journal of Materials Research [14], 3, 1026-31 (1999).

33- J.A Varela, J. A Cerri, E.R. Leite, E. Longo, M. Shamsuzzoha and R.C. Bradt "Microstructural evoution during sintering of CoO doped SnO2 ceramics", Ceram. Int., 25, 253-56 (1999).

34- V. Bouquet, E.R. Leite, E. Longo, and J.A Varela "Structural and surface morphology characterizations of oriented LiNbO3 thin films grown by polymeric precursor method" J. Eur. Ceram. Soc., 19, 1447-51 (1999).

35- S.M. Zanetti, E.R. Leite, E. Longo and J.A Varela "SrBi2Nb2O9 thin films deposited by dip coating using aqueous solution". J. Eur. Ceram. Soc., 19, 1409-12 (1999).

36- E.R. Leite, A M. R. Nascimento, E. Longo and J.A Varela "The influence of sintering process and atmosphere on the non-ohmic properties of SnO2 based varistor" J. Mat. Science: Materials in Eletronics,10,321-27 (1999).

37- P.N. Lisboa Filho, S.M. Zanetti, E.R. Leite and W.A Ortiz "Sythesis and characterization of new copper-deficient spin-glass compounds La1.85 Sr0,15 Cu1-gO4+d" Materials Letters, 38, 289-93 (1999).

38- P.N. Lisboa Filho, W.A Ortiz, S.M. Zanetti and E.R. Leite "Effects of copper deficiency on the magnetic response of La1.85Sr0,15 Cu1-gO4+d" J. Appl. Phys. [85], 8, 4515-17 (1999).

39- I.M.G. Satos, F. Cruz Jr., C.A Paskocimas, S. Nascimento Silva, O R. Marques, E.R. Leite, E. Longo and J. A Varela "Ceramic coating for refractories protection against carbon oxidation, Part 1: Protection Mechanisms" Interceram, 48 [2], 84-89 (1999).

40- L. Perazolli, J.A Varela, E.R. Leite and E. Longo "Effect of atmosphere on the sintering and grain growth of tin oxide" Mat. Science Forum, vol. 299-300, 134-40 (1999).

41- R.C.R. Franco, E.R. camargo, M.A L. Nobre, E.R. Leite, E. Longo and J.A Varela "Dielectric properties of Na1-xLixNbO3 ceramics from powders obtained by chemical synthesis", Ceramics International 25, 455-60 (1999)

42 - AL. Quinelato, E. Longo, E.R. Leite and J. A Varela "Synthesis of Nanocrystalline Tetragonal Zirconia by a Polymeric Organometallic Method"Applied Organometallic Chemistry, 13, 501-507 (1999)

43 - S.M. Zanetti, E.B. Araujo, E.R. Leite, E. Longo and J.A Varela,"Structural and Electrical properties of SrBi2Nb2O9 thin films prepared by Chemical aqueous solution at low temperature", Materials Letter 40, 33-38 (1999).

44 - I.M.G. Satos, F. Cruz Jr., C.A Paskocimas, S. Nascimento Silva, O R. Marques, E.R. Leite, E. Longo and J. A Varela "Ceramic coating for refractories protection against carbon oxidation, Part 2: Coating-Refractory Interaction" Interceram, 48 [3], 168-175 (1999).

45 - R.S. Nasar, M. Cerqueira, E. Longo, E.R. Leite, J.A. Varela, A Beltran and J. Andres "Experimental and Theoretical Study on the Piezoelectric Behavior of Barium doped PZT", J. Mater. Science, 34, 3659-3667 (1999).

46 - V. Bouquet, E. Longo, E.R. Leite , and J.A Varela "Influence of Heat Treatment on LiNbO3 Thin Film Prepared by the Polymeric Precursor Method", J. Mater. Res., Vol 14,7, 3115-3121,(1999).

47 - E.R. Camargo, E. longo and E.R.Leite, "Synthesis of Ultra-Fine Columbite Powder MgNb2O6 by the Polymerized Complex Method", J. Sol-Gel Science and Tech., [17], 2, 111-121 (2000).

48 - F.M. Pontes, J.H.G. Rangel, E.R. Leite, E. Longo, J.A.Varela, E.B. Araujo and J.A Eiras, "Low temperature synthesis and electrical properties of PbTiO3 thin films prepared by the polymeric precursor method", Thin Solid Film, 366, 232-236 (2000).

49 - F.M. Pontes, E.R. Leite, E. Longo, J.A.Varela, E.B. Araujo and J.A Eiras, "Effects of the postannealing atmosphere on the dielectric properties of (Ba,Sr)TiO3 capacitors: Evidence of na interface space charge layer", Appl. Phys. Letter, [76], 17, 2433-2435, (2000).

50 - F.M. Pontes, E. Longo ,J.H. Rangel, M.I. Bernardi, E.R. Leite, , J.A.Varela, "Ba1-xSrxTiO3 thin film by polymeric precursor method", Mater. Letter, 43, 249-253, (2000).

51 - M.Cerqueira, R.S. Nasar, E.R. Leite, E.Longo and J.A Varela,"Sintering and Characterization of PLZT (9/65/35)", Ceramics International, 26, 231-236, (2000).

52 - E.R. Leite, E.C. Paris, E.Longo and J.A. Varela, "Direct Amorphous to Cubic Perovskite phase Transformation for Lead Titanate", J. Am. Ceram. Soc., 83[6] 1539-1541 (2000).

53 - E.R. Leite, I.T. Weber, E.Longo and J.A. Varela, "A new Method to Control Particle Size and Particle Size Distribution of SnO2 Nanoparticles for Gas Sensor Application", Adv. Mater. 12,13, 965-68 (2000).

54 - I.T. Weber, E.Longo and E.R. Leite "SnO2.Nb2O5 films for Ethanol Sensor, Obtained by Deposition of Alcoholic Suspentions" Mater. Letters, 43, 166-69 (2000).

55 - W.S. Resende, R.M. Stoll, S.M. Justus, R.M. Andrade, E.Longo, J.B. Baldo, E.R. Leite, C.A Pascocimas, L.E.B. Soledade, J.E. Gomes and J.A Varela "Key features of alumina/magnesia/graphite refractories for steel ladle lining" J. Eu. Ceram. Soc., 20, 1419-27 (2000).

56 - F.M. Araujo-Moreira, P.N. Lisboa-Filho, S.M. Zanetti, E.R. Leite and W.A Ortiz, "Superconductivity in Sintered-polycrystalline PrBa2Cu3O7-d", Physica B, 284, 1033-34 (2000).

57 - F.M. Pontes, E.B. Araujo, E.R. Leite, J.A Eiras, E. Longo and J.A Varela, "Microstructure and Dielectric Properties of (Ba,Sr)TiO3 thin Film Produced by Polymeric Precursor Method", J.Mater. Research. 15[5], 1176-81 (2000).

58 - P.S. Pizani, E.R. Leite, F.M. Pontes, E.C. Paris, J.H. Rangel, E.J. Lee, E. Longo, P. Delgado and J.A. Varela, "Photoluminescence of disordered ABO3 perovskites" Appl. Phys. Lett. Vol. 77,6, 824-826 (2000)

58 - F.M. Pontes, E.R. Leite, E. Longo, J.A. Varela, P.S. Pisani, C.E.M. Campos and F. lanciotti, "Correlation Between the Surface Morphology and Structure and the Photoluminescence of Amorphous PbTiO3 Thin Film Obtained by Chemical Route", Adv. Mater. Opt. Electron., 10,81-89 (2000)

59 - E.J. H. Lee, F.M. Pontes, E.R. Leite, E.Longo, J.A.Varela, E.B. Araujo and J.A. Eiras, "Preparation and Properties of Ferroelectric BaTiO3 thin Film produced by Polymeric Precursosr Method", J. Mater. Scsience Letters, 19, 1457-1459 (2000)

60 - V. Bouquet, M.I. B. Bernardi, S.M. Zanetti, E.R. Leite, E. Longo, J.A. Varela, M.Guilloux Viry, A Perrin, "Epitaxially Grown LiNbO3 Thin Film by Polymeric Precursor Method", J. Mater. Research, 15 [11],2446-2453, (2000)

61 - S.M. Zanetti, E.R. Leite, E. Longo, E.B. Araujo, A J. Chiquito, J.A Eiras and J.A Varela, "An alternative chemical route for synthesis of SrBi2Ta2O9 thin film", ", J. Mater. Research, 15 [10],2091-2095, (2000)

62 - P.R. Bueno, M.R. de Cassia-Santos, E.R. Leite, E. Longo, J. Bisquert, G. Garcia-Belmonte and F. Fabregat-Santiago, "Nature of the Schottky-type barrier of highly dense SnO2 systems displaying nonohmic behavior", J.Appl. Phys., 88[1], 6541-6544 (2000)

63 - E.R. Leite, A Khan, A M. Scotch, H.M. Chan and M.P. Harmer, "An Analysis of the Single Crystal Growth in a Polycrystalline matrix", Sintering Science and Technology, ed. By R.M. German, G.L. Messing and R.G. Cornwall, PSU, 355-360, (2000)

64 - F.M. Pontes, E.J. H. Lee, E.R. Leite, E.Longo, and J.A.Varela,"High dielectric constant of SrTiO3 Thin Films prepared by chemical process", J. Mater. Science, 35,4783-4787 (2000).

65 - I.M. Garcia dos Snatos, E. Longo, J.A Varela and E.R. Leite, "Sintering of tin oxide processed by slip casting", J. European Ceram. Soc., 20, 2407-13 (2000).

66 - E.R. Leite, F.M. Pontes, E.C. Paris, C.A Paskocimas, E.J. Lee, E.Longo, P.S. Pizani, J.A.Varela and V. Mastelaro, "Amorphous lead titanate: a new wide-band gap semiconductor with photoluminescence at room temperature", Adv. Mater. for Optics and Electronics, vol.10, 6, 235