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TU Berlin

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Dr. Andrea Lenz


TU Berlin
Institut für Festkörperphysik
EW 4-1, Room 415
Hardenbergstr. 36
10623 Berlin

phone: 0049-(0)30-314-22057
fax: 0049-(0)30-314-26181

Research Projects

2014 - 2020
Scanning tunneling microscopy and -spectroscopy of GaP layers on Si(001)
Project LE 3317/1-2

Scientific Visits

2014, July to October
Postdoctoral Fellow with Prof. Minjoo Larry Lee (at ECE Illinois since 2016)
Department of Electrical Engineering
Yale University (New Haven, USA)

Publications (selection)

Publication list (last updated: 06/2020)

A. Lenz, O. Supplie, E. Lenz, P. Kleinschmidt, and T. Hannappel,
Interface of GaP/Si(001) and antiphase boundary facet-type determination,
J. Appl. Phys. 125, 045304 (2019).

P. Farin, M. Marquardt, W. Martyanov, J. Belz, A. Beyer, K. Volz and A. Lenz,
Three dimensional structure of antiphase domains in GaP on Si(001),
J. Phys.: Condens. Matter 31, 144001 (2019).

C. Prohl, H. Döscher, P. Kleinschmidt, T. Hannappel, and A. Lenz,
Cross-sectional scanning tunneling microscopy of antiphase boundaries in epitaxially grown GaP layers on Si(001),
J. Vac. Sci. Technol. A 34, 031102 (2016).

C.S. Schulze, X. Huang, C. Prohl, V. Füllert, S. Rybank, S.J. Maddox, S.D. March, S.R. Bank, M.L. Lee, and A. Lenz,
Atomic structure and stoichiometry of In(Ga)As/GaAs quantum dots grown on an exact-oriented GaP/Si(001) substrate,
Appl. Phys. Lett. 108, 143101 (2016).

D. Quandt, J.-H. Schulze, A. Schliwa, Z. Diemer, C. Prohl, A. Lenz, H. Eisele, A. Strittmatter, U.W. Pohl, M. Gschrey, S. Rodt, S. Reitzenstein, and D. Bimberg, M. Lehmann, M. Weyland,
Strong charge carrier localization in InAs/GaAs submonolayer stacks prepared by Sb-assisted metalorganic vapor-phase epitaxy,
Phys. Rev. B 91, 235418 (2015).

A. Lenz and H. Eisele
Self-organized Formation and XSTM-Characterization of GaSb/GaAs Quantum Rings
in PHYSICS OF QUANTUM RINGS, Springer-Series: NanoScience and Technology
Fomin, Vladimir M. (Ed.), ISBN: 978-3-642-39196-5 (Print) 978-3-642-39197-2 (Online) (2014).

A. Lenz, E. Tournie, J. Schuppang, M. Dähne, and H. Eisele,
Atomic structure of tensile-strained GaAs/GaSb(001) nanostructures,
Appl. Phys. Lett. 102, 102105 (2013).

A. Lenz, F. Genz, H. Eisele, L. Ivanova, R. Timm, D. Franke, H. Künzel, U. W. Pohl, and M. Dähne,
Formation of InAs/InGaAsP quantum-dashes on InP(001),
Appl. Phys. Lett. 95, 203105 (2009).

A. Lenz, Dr. rer. nat. (Ph.D.)
Atomic structure of capped In(Ga)As and GaAs quantum dots for optoelectronic devices,
Dissertation (2008).

A. Lenz, H. Eisele, R. Timm, S. K. Becker, R. L. Sellin, U. W. Pohl, D. Bimberg, and M. Dähne,
Nanovoids in InGaAs/GaAs quantum dots observed by cross-sectional scanning tunneling microscopy,
Appl. Phys. Lett. 85, 3848 (2004)

A. Lenz, R. Timm, H. Eisele, Ch. Hennig, S. K. Becker, R. L. Sellin, U. W. Pohl, D. Bimberg, and M. Dähne, Reversed truncated cone composition distribution of In0,8Ga0,2As quantum dots overgrown by an In0,1Ga0,9As layer in a GaAs matrix,
Appl. Phys. Lett. 81, 5150 (2002).

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