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1

Local droplet etching of nanoholes and rings on GaAs and AlGaAs surfaces

Stemmann, A., Heyn, Ch., Köppen, T., Kipp, T., Hansen, W.

Journal:

Applied Physics Letters

Year:

2008

Language:

english

File:

PDF, 660 KB

english, 2008

2

Influence of Ga coverage and As pressure on local droplet etching of nanoholes and quantum rings

Heyn, Ch., Stemmann, A., Eiselt, R., Hansen, W.

Journal:

Journal of Applied Physics

Year:

2009

Language:

english

File:

PDF, 969 KB

english, 2009

3

Scaling of the structural characteristics of nanoholes created by local droplet etching

Heyn, Ch., Schnüll, S., Hansen, W.

Journal:

Journal of Applied Physics

Year:

2014

Language:

english

File:

PDF, 2.17 MB

english, 2014

4

GaAs quantum dot molecules filled into droplet etched nanoholes

Heyn, Ch., Küster, A., Gräfenstein, A., Ungeheuer, A., Graf, A., Hansen, W.

Journal:

Journal of Crystal Growth

Year:

2017

Language:

english

File:

PDF, 548 KB

english, 2017

5

Growth of shallow InAs HEMTs with metamorphic buffer

Ch. Heyn, S. Mendach, S. Löhr, S. Beyer, S. Schnüll, W. Hansen

Journal:

Journal of Crystal Growth

Year:

2003

Language:

english

File:

PDF, 308 KB

english, 2003

6

Strain relaxation in high-mobility InAs inserted-channel heterostructures with metamorphic buffer

S Mendach, C.M Hu, Ch Heyn, S Schnüll, H.P Oepen, R Anton, W Hansen

Journal:

Physica E: Low-dimensional Systems and Nanostructures

Year:

2002

Language:

english

File:

PDF, 202 KB

english, 2002

7

Strain relaxation in metamorphic InAlAs buffers

B. Landgraf, T. Slobodskyy, Ch. Heyn, W. Hansen

Journal:

Materials Science and Engineering: B

Year:

2012

Language:

english

File:

PDF, 1.36 MB

english, 2012

8

Electric Properties of Semiconductor Nanopillars

Bartsch, Th., Sonnenberg, D., Strelow, Ch., Heyn, Ch., Hansen, W.

Journal:

Journal of Electronic Materials

Year:

2014

Language:

english

File:

PDF, 376 KB

english, 2014

9

Structural properties of ultra-low density nanoholes for the generation of well-separated GaAs quantum dots

Sonnenberg, D., Graf, A., Paulava, V., Hansen, W., Heyn, Ch.

Journal:

Journal of Crystal Growth

Year:

2013

Language:

english

File:

PDF, 2.15 MB

english, 2013

10

Regimes of GaAs quantum dot self-assembly by droplet epitaxy

Heyn, Ch., Stemmann, A., Schramm, A., Welsch, H., Hansen, W., Nemcsics, Á.

Journal:

Physical Review B

Year:

2007

Language:

english

File:

PDF, 249 KB

english, 2007

11

Faceting during GaAs quantum dot self-assembly by droplet epitaxy

Heyn, Ch., Stemmann, A., Schramm, A., Welsch, H., Hansen, W., Nemcsics, Á.

Journal:

Applied Physics Letters

Year:

2007

Language:

english

File:

PDF, 512 KB

english, 2007

12

Phase Sensitive Resonant Ultrafast Reflection from GaAs Quantum Wells

Ch. Nacké, W. Bathe, F. Kieseling, M. Seemann, H. Stolz, Ch. Heyn, S. Bargstädt-Franke, W. Hansen, D. Heitmann

Journal:

physica status solidi (b)

Year:

1998

Language:

english

File:

PDF, 211 KB

english, 1998

13

X-Ray Interface Characterization of Buried InAs Layers on GaAs (001)

K. Zhang, A. Foede, Th. Schmidt, P. Sonntag, Ch. Heyn, G. Materlik, W. Hansen, J. Falta

Journal:

physica status solidi (b)

Year:

1999

Language:

english

File:

PDF, 140 KB

english, 1999

14

Resonant Inelastic Light Scattering on GaAs–AlGaAs Quantum Dots

C. Steinebach, C. Schüller, E. Ulrichs, Ch. Heyn, D. Heitmann

Journal:

physica status solidi (b)

Year:

2001

Language:

english

File:

PDF, 88 KB

english, 2001

15

Electric Field Dependent Zeeman Splitting of Excitons in Diluted Two-Dimensional Electron Systems

K.-B. Broocks, T. Ebeling, L. Karsten, C. Schüller, Ch. Heyn, D. Heitmann

Journal:

physica status solidi (b)

Year:

2001

Language:

english

File:

PDF, 135 KB

english, 2001

16

Magneto-Optical Investigation of Excitons in Narrow GaAs–AlGaAs Quantum Wires

F. Rademacher, H. Eggers, T. O. Wiegard, C. Schüller, S. Bargstädt-Franke, Ch. Heyn, K. Eberl, D. Heitmann

Journal:

physica status solidi (a)

Year:

1997

Language:

english

File:

PDF, 175 KB

english, 1997

17

Flux control and calibration of an As effusion cell in a molecular beam epitaxy system for GaAs and AlGaAs with a quadrupole mass spectrometer

Ch. Heyn, M. Harsdorff

Journal:

Journal of Crystal Growth

Year:

1993

Language:

english

File:

PDF, 418 KB

english, 1993

18

Simultaneous reflection high-energy electron diffraction oscillations and mass spectroscopy investigations during molecular beam epitaxy growth of (001) GaAs - smooth surfaces or stoichiometric films?

Ch. Heyn, M. Harsdorff

Journal:

Journal of Crystal Growth

Year:

1995

Language:

english

File:

PDF, 468 KB

english, 1995

19

Routine measurement of the absolute As4 flux in a molecular beam epitaxy system with conventional RHEED equipment

Ch. Heyn, M. Harsdorff

Journal:

Applied Surface Science

Year:

1996

Language:

english

File:

PDF, 314 KB

english, 1996

20

Intermixing in self-assembled InAs quantum dot formation

Ch. Heyn, A. Bolz, T. Maltezopoulos, R.L. Johnson, W. Hansen

Journal:

Journal of Crystal Growth

Year:

2005

Language:

english

File:

PDF, 216 KB

english, 2005

21

Shape transformation of self-assembled InAs quantum dots during overgrowth with AlAs

A. Schramm, T. Kipp, F. Wilde, J. Schaefer, Ch. Heyn, W. Hansen

Journal:

Journal of Crystal Growth

Year:

2006

Language:

english

File:

PDF, 649 KB

english, 2006

22

Kinetic model of intermixing during self-assembled InAs quantum dot formation

Ch. Heyn, A. Schramm, T. Kipp, W. Hansen

Journal:

Journal of Crystal Growth

Year:

2007

Language:

english

File:

PDF, 373 KB

english, 2007

23

Lateral self-arrangement of self-assembled InAs quantum dots by an intentional-induced dislocation network

H. Welsch, T. Kipp, Ch. Heyn, W. Hansen

Journal:

Journal of Crystal Growth

Year:

2007

Language:

english

File:

PDF, 536 KB

english, 2007

24

Shape transformation of self-assembled InAs quantum dots by overgrowth with GaAs and AlAs

A. Schramm, J. Schaefer, T. Kipp, Ch. Heyn, W. Hansen

Journal:

Journal of Crystal Growth

Year:

2007

Language:

english

File:

PDF, 417 KB

english, 2007

25

MBE-growth of InAs/GaAs(0 0 1) quantum dots at low temperatures

A. Zolotaryov, Ch. Heyn, W. Hansen

Journal:

Journal of Crystal Growth

Year:

2008

Language:

english

File:

PDF, 477 KB

english, 2008

26

Droplet epitaxy of GaAs quantum dots on (0 0 1), vicinal (0 0 1), (1 1 0), and (3 1 1)A GaAs

Ch. Heyn, A. Stemmann, A. Schramm, W. Hansen

Journal:

Journal of Crystal Growth

Year:

2009

Language:

english

File:

PDF, 491 KB

english, 2009

27

Nanohole formation on AlGaAs surfaces by local droplet etching with gallium

Ch. Heyn, A. Stemmann, W. Hansen

Journal:

Journal of Crystal Growth

Year:

2009

Language:

english

File:

PDF, 511 KB

english, 2009

28

Influence of growth temperature on phase and intermixing in Ni2MnIn Heusler films on InAs(0 0 1)

A. Zolotaryov, A. Volland, Ch. Heyn, D. Novikov, G. Stryganyuk, A. Kornowski, T. Vossmeyer, O. Albrecht, E. Coric, W. Hansen

Journal:

Journal of Crystal Growth

Year:

2009

Language:

english

File:

PDF, 545 KB

english, 2009

29

Suppression of interfacial intermixing between MBE-grown Heusler alloy Ni2MnIn and (0 0 1)InAs or InAs-HEMT structures

S. Bohse, A. Zolotaryov, W. Kreuzpaintner, D. Lott, A. Kornowski, A. Stemmann, Ch. Heyn, W. Hansen

Journal:

Journal of Crystal Growth

Year:

2011

Language:

english

File:

PDF, 564 KB

english, 2011

30

Hall magnetometry on a ferromagnetic nanoring

H Rolff, W Pfützner, Ch Heyn, D Grundler

Journal:

Journal of Magnetism and Magnetic Materials

Year:

2004

Language:

english

File:

PDF, 205 KB

english, 2004

31

The RHEED tracking of the droplet epitaxial grown quantum dot and ring structures

Á. Nemcsics, Ch. Heyn, A. Stemmann, A. Schramm, H. Welsch, W. Hansen

Journal:

Materials Science and Engineering: B

Year:

2009

Language:

english

File:

PDF, 421 KB

english, 2009

32

Characterisation of droplet-epitaxial GaAs/AlGaAs quantum dot and quantum ring systems using grazing incidence X-ray diffraction

A. Zolotaryov, A. Schramm, Ch. Heyn, A. Zozulya, W. Hansen

Journal:

Materials Science in Semiconductor Processing

Year:

2009

Language:

english

File:

PDF, 818 KB

english, 2009

33

Spectroscopy of individual AlGaAs microdisks in large periodic arrays

T Kipp, K Petter, Ch Heyn, D Heitmann, C Schüller

Journal:

Physica E: Low-dimensional Systems and Nanostructures

Year:

2004

Language:

english

File:

PDF, 279 KB

english, 2004

34

How to probe a fractionally charged quasihole?

C. Schüller, K.-B. Broocks, P. Schröter, Ch. Heyn, D. Heitmann, M. Bichler, W. Wegscheider, T. Chakraborty, V.M. Apalkov

Journal:

Physica E: Low-dimensional Systems and Nanostructures

Year:

2004

Language:

english

File:

PDF, 630 KB

english, 2004

35

Inelastic light scattering on few-electron quantum-dot atoms

T. Brocke, M.-T. Bootsmann, B. Wunsch, M. Tews, D. Pfannkuche, Ch. Heyn, W. Hansen, D. Heitmann, C. Schüller

Journal:

Physica E: Low-dimensional Systems and Nanostructures

Year:

2004

Language:

english

File:

PDF, 670 KB

english, 2004

36

Magnetization of GaAs quantum wires with quasi one-dimensional electron systems

M.A Wilde, J.I Springborn, Ch Heyn, D Heitmann, D Grundler

Journal:

Physica E: Low-dimensional Systems and Nanostructures

Year:

2004

Language:

english

File:

PDF, 293 KB

english, 2004

37

Preparation of curved two-dimensional electron systems in InGaAs/GaAs-microtubes

S Mendach, O Schumacher, Ch Heyn, S Schnüll, H Welsch, W Hansen

Journal:

Physica E: Low-dimensional Systems and Nanostructures

Year:

2004

Language:

english

File:

PDF, 463 KB

english, 2004

38

Gate-controlled de Haas–van Alphen effect in an interacting two-dimensional electron system

J.I. Springborn, N. Ruhe, Ch. Heyn, M.A. Wilde, D. Heitmann, D. Grundler

Journal:

Physica E: Low-dimensional Systems and Nanostructures

Year:

2006

Language:

english

File:

PDF, 163 KB

english, 2006

39

Spatial emission characteristics of a semiconductor microtube ring resonator

Ch. Strelow, H. Rehberg, C.M. Schultz, H. Welsch, Ch. Heyn, D. Heitmann, T. Kipp

Journal:

Physica E: Low-dimensional Systems and Nanostructures

Year:

2008

Language:

english

File:

PDF, 515 KB

english, 2008

40

Bernstein modes in tunneling-coupled quantum wells

S. Holland, C.-M. Hu, Ch. Heyn, D. Heitmann

Journal:

Superlattices and Microstructures

Year:

2003

Language:

english

File:

PDF, 239 KB

english, 2003

41

Magneto-resistance of a two-dimensional electron gas with tunable periodic lateral modulation by interdigital gates

Ch. Weichsel, D. Schuster, Ch. Heyn, W. Hansen

Journal:

Superlattices and Microstructures

Year:

2003

Language:

english

File:

PDF, 347 KB

english, 2003

42

Formation and size evolution of self-assembled quantum dots

Ch. Heyn, C. Dumat

Journal:

Journal of Crystal Growth

Year:

2001

Language:

english

File:

PDF, 169 KB

english, 2001

43

Fabrication of quantum wires by in-situ ion etching and MBE overgrowth

Ch Heyn, C Klein, S Kramp, S Beyer, S Günther, D Heitmann, W Hansen

Journal:

Journal of Crystal Growth

Year:

2001

Language:

english

File:

PDF, 210 KB

english, 2001

44

Structural characterization of self-assembled InAs quantum dots grown by MBE

K. Zhang, Ch. Heyn, W. Hansen, Th. Schmidt, J. Falta

Journal:

Journal of Crystal Growth

Year:

2001

Language:

english

File:

PDF, 249 KB

english, 2001

45

Desorption of InAs quantum dots

Ch. Heyn, W. Hansen

Journal:

Journal of Crystal Growth

Year:

2003

Language:

english

File:

PDF, 120 KB

english, 2003

46

Ga/In-intermixing and segregation during InAs quantum dot formation

Ch. Heyn, W. Hansen

Journal:

Journal of Crystal Growth

Year:

2003

Language:

english

File:

PDF, 129 KB

english, 2003

47

Electronic properties of etched–regrown heterostructure interfaces

S. Beyer, S. Löhr, Ch. Heyn, D. Heitmann, W. Hansen

Journal:

Journal of Crystal Growth

Year:

2003

Language:

english

File:

PDF, 167 KB

english, 2003

48

Modelling of compound semiconductor epitaxy

Ch Heyn, T Franke, R Anton

Journal:

Journal of Crystal Growth

Year:

1999

Language:

english

File:

PDF, 143 KB

english, 1999

49

Coupled double parabolic quantum wells grown with the analogue technique

S Bargstädt-Franke, Ch Heyn, W Hansen, D Heitmann

Journal:

Journal of Crystal Growth

Year:

1999

Language:

english

File:

PDF, 147 KB

english, 1999

50

Formation and dissolution of InAs quantum dots on GaAs

Ch Heyn, D Endler, K Zhang, W Hansen

Journal:

Journal of Crystal Growth

Year:

2000

Language:

english

File:

PDF, 227 KB

english, 2000