Dr. Joao Marcelo Lopes

Profile

Academic positionAssociate Professor, Senior Lecturer, Reader
Research fieldsSurface Physics,Organic Molecular Chemistry
KeywordsGraphene, Molecular Beam Epitaxy, Nanostructures, High-k oxides
Honours and awards

2006: AvH research fellowship

Current contact address

CountryGermany
CityBerlin
InstitutionPaul-Drude-Institut für Festkörperelektronik (PDI)
Homepagewww.pdi-berlin.de

Host during sponsorship

Prof. Dr. Siegfried MantlInstitut für Schichten und Grenzflächen, ISG 1-IT, Forschungszentrum Jülich GmbH, Jülich
Start of initial sponsorship01/03/2006

Programme(s)

2005Humboldt Research Fellowship Programme

Publications (partial selection)

2010C. Radtke, C. Krug, G. V. Soares, I. J. R. Baumvol, J.M.J. Lopes, E. Durgun-Ozben, A. Nichau, J. Schubert, and S. Mantl,: Physicochemical and electrical properties of LaLuO3/Ge(100) structures submitted to postdeposition annealings. In: Electrochemical and Solid-State Letters , 2010, G37-G39
2009J.M.J.Lopes, E. Durgun Özben, M. Roeckerath, U. Littmark, R. Lupták, St. Lenk, M. Luysberg, A. Besmehn, U. Breuer, J. Schubert, and S. Mantl: Amorphous ternary rare-earth gate oxides for future integration in MOSFETs. In: Microelectronic Engineering , 2009, 1646
2009M. Roeckerath, J.M.J. Lopes, E. Durgun Özben, C. Sandow, S. Lenk, T. Heeg, J. Schubert, S. Mantl: Gadolinium scandate as an alternative gate dielectric in field effect transistors on conventional and strained silicon. In: Applied Physics A-Materials Science & Processing DOI: 10.1007/s00339-008-4962-8 , 2009, 521
2009J.M.J. Lopes, U. Littmark, M. Roeckerath, E. Durgun Özben, S. Lenk, U. Breuer, A. Besmehn, A. Stärk, P.L. Grande, M.A. Sortica, C. Radtke, J. Schubert, S. Mantl: Isotopic labeling study of oxygen diffusion in amorphous LaScO3 high-k films on Si(100) and its effects on the electrical characteristics. In: Applied Physics A-Materials Science & Processing, 2009, 447
2009J.M.J.Lopes, E. Durgun-Özben, M. Roeckerath, U. Littmark, R. Lupták, S. Lenk, A. Besmehn, U. Breuer, J. Schubert, and S. Mantl: Rare-earth based alternative gate dielectrics for future integration in MOSFETs. In: Proceedings of the 10th International Conference on Ultimate Integration on Silicon (10th ULIS) ISBN: 978-1-4244-3705-4, 2009, 99-102
2008M. Roeckerath, T. Heeg, J.M.J. Lopes, J. Schubert, S. Mantl, A. Besmehn et al.: Characterization of lanthanum lutetium oxide thin films grown by atomic layer deposition as an alternative gate dielectric . In: Thin Solid Films DOI: 10.1016/j.tsf.2008.08.064 , 2008, 201
2008M. Roeckerath, J.M.J. Lopes, T. Heeg, J.Schubert, S. Lenk, S.Mantl: Fully depleted SOI- and sSOI-MOSFETs with GdScO3 as gate dielectric. In: Proceedings of the 9th International Conference on Ultimate Integration on Silicon (9th ULIS) ISBN: 978-1-4244-1729-2 , 2008, 115-117
2008S. Shamuilia, V. V. Afanas’ev, A. Stesmans, I. McCarthy, S. A. Campbell, M. Boutchich, M. Roeckerath, T. Heeg, J.M.J. Lopes, and J. Schubert: Photoconductivity of Hf-based binary metal oxide systems. In: Journal of Applied Physics DOI: 10.1063/1.3020520, 2008, 111103
2008S. Shamuilia, V. V. Afanas’ev, A. Stesmans, I. McCarthy, S. A. Campbell, M. Boutchich, J. M. J. Lopes, M. Roeckerath, T. Heeg, E. Rije, S. Mantl: Photoconductivity of Hf-based binary metal oxides. In: Microelectronic Engineering DOI: 10.1016/j.mee.2008.09.016, 2008, 2400
2008E. Durgun Özben, J.M.J. Lopes, M. Roeckerath, St. Lenk, B. Holländer, Y. Jia, D. G. Schlom, J. Schubert, S. Mantl: SmScO3 thin films as an alternative gate dielectric. In: Applied Physics Letters DOI: 10.1063/1.2968660 , 2008, 052902
2007J.M.J. Lopes, M. Roeckerath, T. Heeg, J. Schubert, U. Littmark, S. Mantl, A. Besmehn, P. Myllymäki, L. Niinistö, C. Adamo, D. G. Schlom: Amorphous lanthanum lutetium oxide thin films as an alternative high-κ material . In: ECS Transactions DOI: 10.1149/1.2779570, 2007, 311
2007A.B. Veloso, M.K.K. Nakaema, M.P.F. Godoy, J.M.J. Lopes, F. Iikawa, M.J.S. Brasil et al.: Carrier dynamics in stacked InP/GaAs quantum dots. In: Applied Physics Letters DOI: 10.1063/1.2789705 , 2007, 121917
2007J.M.J. Lopes, U. Littmark, M. Roeckerath, St. Lenk, J. Schubert, S. Mantl et al.: Effects of annealing on the electrical and interfacial properties of amorphous lanthanum scandate high-k films prepared by molecular beam deposition . In: Journal of Applied Physics , 2007, 104109
2007V.V. Afanasev, S. Shamuilia, M. Badylevich, A. Stesmans, L.F. Edge, W. Tian, D.G. Schlom, J.M.J. Lopes, J. Schubert et al. Electronic structure of silicon interfaces with amorphous and epitaxial insulating oxides: Sc2O3, Lu2O3, LaLuO3. In: Microelectronic Engineering , 2007, 2278
2007J.M.J. Lopes, M. Roeckerath, T. Heeg, U. Littmark, J. Schubert, S. Mantl et al. La-based ternary rare-earth oxides as alternative high-k gate dielectrics. In: Microelectronic Engineering , 2007, 1890
2007F. Kremer, J.M.J. Lopes, F.C. Zawislak, P.F.P. Fichtner: Low temperature aging effects on the formation of Sn nanoclusters in SiO2/Si films and interfaces. In: Applied Physics Letters, 2007, 109733-1-109733-3
2007M.P.F. de Godoy, M.K.K. Nakaema, J.M.J. Lopes, M.J. Morschbacher, F. Iikawa, M.J.S.P. Brasil, R. Magalhaes-Paniago, J.R.R. Bortoleto, M.A. Cotta: Structural and optical properties of InP quantum dots grown on GaAs (001). In: Physica Status Solidi C - Current Topics in Solid State Physics DOI: 10.1002/pssc.200673248 , 2007, 238
2007M.P.F. de Godoy, M.K.K. Nakaema, F. Iikawa, M.J.S.Brasil, J.M.J. Lopes et al.: Structural and optical properties of InP quantum dots on GaAs(001). In: Journal of Applied Physics, 2007, 073508
2006J.M.J. Lopes, M. Roeckerath, T. Heeg, E. Rije, J. Schubert, S. Mantl et al. : Amorphous lanthanum lutetium oxide thin films as an alternative high-k gate dielectric. In: Applied Physics Letters, 2006, 222902
2006J.M.J. Lopes, P.F.P. Fichtner, F.C. Kremer, F.C. Zawislak: Correlation between structural evolution and photoluminescence of Sn nanoclusters in SiO2 layers”, Nucl. Inst. Meth. Phys. Res. B 242 (2006) 1890. DOI: 10.1016/j.nimb.2005.08.013 . In: Nucl. Inst. Meth. Phys. Res. B DOI: 10.1016/j.nimb.2005.08.013 , 2006, 1890
2005J.M.J. Lopes, F.C. Zawislak, P.F.P. Fichtner, F.C. Lovey, A.M. Condó: Effect of annealing atmosphere on the structure and luminescence of Sn-implanted SiO2 layers . In: Applied Physics Letters DOI: 10.1063/1.1849855, 2005, 023101
2005J.M.J. Lopes, F.C. Zawislak, P.F.P. Fichtner, R.M. Papaléo, F.C. Lovey, A.M. Condó, A. Tolley: Formation of epitaxial beta-Sn islands at the interface of SiO2/Si layers implanted with Sn ions. In: Applied Physics Letters DOI: 10.1063/1.1927710 , 2005, 191914
2004J.M.J. Lopes, F.C. Zawislak, P.F.P. Fichtner, M. Behar, L. Rebohle, W. Skorupa: Pre-irradiation memory effect on the photoluminescence intensity of Ge-implanted SiO2 layers”, Nucl. Instr. Meth. Phys. Res. B 218 (2004) 438. DOI: 10.1016/j.nimb.2003.12.025. In: Nucl. Instr. Meth. Phys. Res. B DOI: 10.1016/j.nimb.2003.12.025, 2004, 438
2003J.M.J. Lopes, F.C. Zawislak, P.F.P. Fichtner, M. Behar, L. Rebohle, W. Skorupa: Cluster coarsening and luminescence emission intensity of Ge nanoclusters in SiO2 layers”, Journal of Applied Physics. 94 (2003) 6059. DOI: 10.1063/1.1616995. In: Journal of Applied Physics DOI: 10.1063/1.1616995, 2003, 6059
2003J.M.J. Lopes, F.C. Zawislak, P.F.P. Fichtner, M. Behar, L. Rebohle, W. Skorupa: Photoluminescence of Ge nanoclusters in ion implanted SiO2. In: In Progress in semiconductors II - electronic and optoelectronic applications. (Mater. Res. Soc. Symp. Proc.). ISBN: 1-55899-681-8, 2003, 519-524
2001J.M.J. Lopes, C.E. Foerster, F.C. Serbena, C.M. Lepienski, D.L. Baptista, F.C. Zawislak.: Nanoscratch testing of C60 films irradiated with N ions. In: Nucl. Instr. Meth. Phys. Res. B DOI:10.1016/S0168-583X(00)00556-5 , 2001, 673
1998C.E. Foerster, F.C. Serbena, C.M. Lepienski, J.M.J. Lopes, F.C. Zawislak.: Energy transference effects on the mechanical properties of C60 Films irradiated with N ions. In: In Fundamentals of nanondentation and nanotribology. (Mater. Res. Soc. Symp. Proc.) ISBN: 1-55899-428-9 , 1998, 299-304
D.L. Baptista, J.M.J. Lopes, M.J. Morschbacher, S.H. Dalal, S.P. Oei, K.B.K. Teo, W.I. Milne et al.: Vertically aligned carbon nanotubes growth using self-assembled Ni nanoparticles produced by ion implantation. In: In Self assembly of nanostructures aided by ion- or photon-beam irradiation-fundamentals and applications (Mater. Res. Soc. Symp. Proc. 960E, Warrendale, PA, 2007), 0960-N08-01. ,