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Publikationen


Hier finden Sie eine Liste von ausgewählten Publikationen. (Hinweis: Benutzen Sie Strg+F zur Suche nach Stichworten).

Publikation Erscheinungsjahr

Hall effect in a two-dimensional disordered Lorentz gas

Benjamin Sanvee, Jakob Schluck, Mihai Cerchez, Dominique Mailly, Hans W. Schumacher, Klaus Pierz, Thomas Heinzel and Jürgen Horbach

Phys. Rev. B 108, 035301

2023

Identification of nanoparticles as vesicular cargo via Airy scanning fluorescence microscopy and spatial statistics

Christian Wimmenauer and Thomas Heinzel

RSC Adv., 2023, 00188a

(paper) Nanoscale Advances , 2023, 5, 3512-3520

2023

Transient photocapacitance spectroscopy on Au/TiO2 Schottky diodes with rolled-up nanomembrane electrodes

L. Berg, L. Schnorr, L. Merces, J. Bettini, C. C. Bof Bufon and
T. Heinzel,

Journal of Applied Physics 133, 065704 (2023)

2023

Hysteretic capacitance-voltage characteristics of self-assembled quantum dots far from equilibrium with their environment

L. Schnorr, O. Khoukhi, L. Berg, T. Heinzel, C. Rothfuchs-Engels, S. Scholz, A. Ludwig, and A. D. Wieck

Physical Review B 104, 205310 (2021)
2021

Uptake of carbon nanodots into human AML cells in
comparison to primary hematopoietic cells

Cathrin Nollmann, Christian Wimmenauer, Stefan Fasbender, Saskia Mayer, Ron-Patrick Caddedu, Paul Jäger, Thomas Heinzel and Rainer Haas

RSC Adv., 2021,11, 26303
2021

Relevance of weak and strong classical scattering for the giant negative magnetoresistance in two-dimensional electron gases

B. Horn-Cosfeld, J. Schluck, J. Lammert, M. Cerchez, T. Heinzel, K. Pierz, H. W. Schumacher, and D. Mailly

PhysRevB.104.045306
2021

Electron capture and emission dynamics of self-assembled quantum dots far from equilibrium with the environment

L. Schnorr , J. Labes , L. Kürten , and T. Heinzel
C. Rothfuchs-Engels, S. Scholz, A. Ludwig , and A. D. Wieck

PhysRevB.104.035303
2021

Anomalous transport due to retroreflection

René Lohmann, Beate Horn-Cosfeld, Jakob Schluck, Dominique Mailly, Nima H. Siboni, Hans W. Schumacher, Klaus Pierz, Thomas Heinzel, and Jürgen Horbach

Phys. Rev. B102, 081302(R)

2020

Effect of background scattering on the magnetoconductance of two-dimensional Lorentz gases

B. Horn-Cosfeld, J. Schluck, A. Röben, M. Cerchez, K. Pierz, H. W. Schumacher, D. Mailly
and T. Heinzel

EPL, 128 (2019) 67004

2019

From in vitro to ex vivo: subcellular localization and uptake of graphenequantum dots into solid tumors

David Kersting, Stefan Fasbender, Rabea Pilch, Jennifer Kurth, André Franken, Marina Ludescher, Johanna Naskou, Angelika Hallenberger, Charlotte von Gall, Corinna J Mohr, Robert Lukowski, Katharina Raba, Sandra Jaschinski, Irene Esposito, Johannes C Fischer, Tanja Fehm, Dieter Niederacher, Hans Neubauer and Thomas Heinzel

Nanotechnology 30, 395101 (2019)
2019


The Low toxicity of Graphene Quantum Dots is Reflected by Marginal Gene expression changes of primary Human Hematopoietic Stem cells

Stefan Fasbender, Lisa Zimmermann, Ron-Patrick Cadeddu, Martina Luysberg, Bastian Moll, Christoph Janiak, Thomas Heinzel & Rainer Haas

Nature.com/Scientific Reports 9, 12028 (2019)

 

2019

Single-particle energy - and optical absorption - spectra of multilayer graphene quantum dots

C. Wimmenauer, J. Scheller, S. Fasbender, T. Heinzel

Superlattices and Microstructures 132, 106171 (2019)
2019

Collimation o electrons at closed magnetic barriers in two-dimensional electron gases

M. Cerchez, T. Chirila, H. Bettermann, B. Schüler, T. Heinzel

Physical Review B99, 085303 (2019)
2019

Bias voltage - Induced oxidation of titanium microelectrodes in planar Ti/TiOx heterojunctions

S. Herbertz, P. Aleksa, M. Zielinski, D. Welk, T. Heinzel

Superlattices and Microstructures 124, 231-239 (2018)
2018

Quantum signatures of competing electron trajectories in antidot superlattices

J. Schluck, J. Feilhauer, K. Pierz, H. W. Schumacher, D. Kazazis, U. Gennser, and T. Heinzel

Physical Review B 98, 165415 (2018)
2018

Lateral hydrogen microsensors prepared on-chip by local oxidation of platinum-decorated titanium films

S. Herbertz, D. Welk, and T. Heinzel

AIP Advances 8, 055301 (2018)
2018

Laplace deep level transient spectroscopy on self-assembled quantum dots

L. Schnorr, T. Heinzel, S. Scholz, A. Ludwig, and A. D. Wieck

Journal of Applied Physics 124, 104301 (2018)
2018

Nonmonotonic Classical Magnetoconductivity of a Two-Dimensional Electron Gas in a Disordered Array of Obstacles

N. H. Siboni, J. Schluck, K. Pierz, H.W. Schumacher, D. Kazazis, J. Horbach and T. Heinzel

Physical Review Letters 120, 056601 (2018)
2018

Linear negative magnetoresistance in two-dimensional Lorentz gases

J. Schluck, M. Hund, T. Heckenthaler and T. Heinzel

Physical Review B 97, 115301 (2018)
2018

Commensurability oscillations by snake-orbit magnetotransport in two-dimensional elevtron gases

A. Leuschner, J. Schluck, M. Cerchez and T. Heinzel, K. Pierz and H. W. Schumacher

Physical Review B 95, 155440 (2017)
2017

Uptake dynamics of graphene quantum dots into primary human blood cells follogwing in vitro exposure

S. Fasbender, S. Allani, Ch. Wimmenauer,R.P. Cadeddu, K. Raba, J. C. Fischer, B. Bulat, M. Luysberg, C. A. M. Seidel, T. Heinzel and R. Haas

RSC Adv. 7, 12208-12216 (2017)
2017

Probing magnetic microstructures with quasi-ballistic Hall crosses

S. Fasbender, J. Schluck, M. Cerchez,

T. Heinzel, S. Sievers, K. Pierz and H. W. Schumacher

J. Appl. Phys. 119, 094302 (2016)

2016

Deep-level transient spectroscopy at platinum/titanium-dioxide hydrogen sensors

L. Schnorr, M. Cerchez, D. Ostermann and  T. Heinzel

pss 253, 690 (2016)

2016

On-chip planar hydrogen sensor with sub-micrometerspatial resolution

S. Herbertz, M. Cerchez and T. Heinzel

Sensors and Actuators B 221, 401 (2015)

2015

Commensurability resonances in two-dimensional magnetoelectric lateral superlattices

J. Schluck, S. Fasbender, and T. Heinzel

K. Pierz and H. W. Schumacher

D. Kazazis and U. Gennser

PhysRevB.91.195303

2015

Interdependence of electroforming and hydrogen incorporation in nanoporous titanium dioxide

M. Strungaru, M. Cerchez, S. Herbertz,
T. Heinzel, M. El Achhab,
and K. Schierbaum

APPLIED PHYSICS LETTERS 106, 143109 (2015)

2015

Magnetoconductance of a magnetic double barrier in a quantum wire

B. Schüler , M. Cerchez , Hengyi Xu ,
T. Heinzel , D. Reuter , A.D. Wieck 

Superlattices and Microstructures 79 (2015) 54–62

2015
 

Observation of quantum states without a semiclassical equivalence bound
by a magnetic field gradient

B. Schüler, M. Cerchez, Hengyi Xu,
J. Schluck, and T. Heinzel

A. D. Wieck

PHYSICAL REVIEW B 90, 201111(R) (2014)

 

Dynamics of hydrogen sensing with Pt/TiO2 Schottky diodes

M. Cerchez, H. Langer, M. El Achhab, T. Heinzel, D. Ostermann et al.

Appl. Phys. Lett. 103, 033522 (2013)

 

 

2014

 

 

 

 

 

 

 

 

 2013

Impurity and edge rouhness scattering in
graphene nanoribbons: the Boltzmann approach

Hengyi Xu and Thomas Heinzel

J. Phys, Cond Mat. 24, 455303 (2012)

2012

Sensing domain wall pinning in the longitudinal
magnetoresistance of a two-dimensional electron gas

D. Kazazis, B. Schüler, M. Granada, U. Gennser, G. Faini,
M. Cerchez,  and T. Heinzel

Superlattices and Microstructures 52,11 (2012)

2012

Geometric magnetoconductance dips by edge roughness in graphene nanoribbons

Hengyi Xu, T. Heinzel and I. V. Zozoulenko

Europhys. Lett. 97, 28008 (2012)

2012
Conductivity and scattering in graphene bilayers: Numerically exactresults versus Boltzmann approach
Hengyi Xu, T. Heinzel and I. V.Zozoulenko 
Phys. Rev. B 84, 115409 (2011)
2011
Nonlinearity exponents in lightly doped conducting polymers
D. Talukdar, U. N. Nandi, K. K. Bardhan, C. C. Bof Bufon, T. Heinzel, A. De and C. D. Mukherjee
Phys. Rev. B 84, 054205 (2011)
2011
Electronic properties of quantum dots formed by magnetic double barriers in quantum wires
Hengyi Xu, T. Heinzel and I. V. Zozoulenko
Phys. Rev. B 84, 035319 (2011)
2011
Correction factor in nondiffusive Hall magnetometry
M. Cerchez and T. Heinzel
Appl. Phys. Lett. 98, 232111 (2011)
2011
Generic suppression of conductance quantization of interacting electrons in graphene nanoribbons in a perpendicular magnetic field
A. Shylau, I.V. Zozoulenko, Hengyi Xu and T. Heinzel
Phys. Rev. B 82, 121410(R) (2010)
2010
Interactions and screening in gated bilayer graphene nanoribbons
Hengyi Xu, T. Heinzel, A. Shylau, and I.V. Zozoulenko,
Phys. Rev. B 82, 115311 (2010) (editor's choice)
2010

Quantized magnetic confinement in quantum wires
A. Tarasov, S. Hugger, Hengyi Xu, M. Cerchez, T. Heinzel, I. Zozoulenko, U. Gasser-Szerer, D. Reuter and A. D. Wieck
Phys. Rev. Lett. 104, 186801 (2010)
preprint cond-mat/0907.1802

2010
Suppression of weak antilocalization in InAs nanowires
P. Roulleau, T. Choi, S. Riedi, T. Heinzel, I. Shorubalko,T. Ihn and K. Ensslin
Phys. Rev. B 81, 155449 (2010)
2010
Influence of the polymerization potential on the transport properties of polypyrrole films
C. C. Bof Bufon, T. Heinzel, P. Espindola and J. Heinzel
J. Phys. Chem B 114, 714 (2010)
2010

Transition from ballistic to diffusive behavior of graphene ribbons in the presence of warping and charged impurities

J. Klos, A. Shylau, I.V. Zozoulenko, Hengyi Xu and T. Heinzel

Phys. Rev. B 80, 245432 (2009)

cond-mat/0908.4228

2009

Magnetic barrier in a two-dimensional hole gas

M. Cerchez, T. Heinzel, D. Reuter and A. D. Wieck

Superlattices and Microstructures 46, 723 (2009)

2009

Piezoresistance in chemically synthesized polypyrrole thin films

S. Barnoss, H. Shanak, C. Bof Bufon and T. Heinzel

Sensors and  Actuators A 154, 79 (2009)

2009

Edge disorder and localization regimes in bilayer graphene nanoribbons

Hengyi Xu, T. Heinzel, and I. V. Zozoulenko

Phys. Rev. B 80, 045308 (2009)

cond-mat/0904.4133

2009

Edge-disorder-induced Anderson localization and conduction gap in graphene nanoribbons

M. Evaldsson, I. V. Zozoulenko, Hengyi Xu, and T. Heinzel

Phys. Rev. B 78, 161407 (R) (2008)

cond-mat/0805.4326

2008

Magnetic-barrier-induced conductance fluctuations in quantum wires

S. Hugger, Hengyi Xu, A. Tarasov, M. Cerchez, T. Heinzel, I. V. Zozoulenko, D. Reuter and A. D. Wieck

Phys. Rev. B 78, 165307 (2008)

cond-mat/0805.3622

2008

Small scale lateral superlattices in two-dimensional electron gases prepared by diblock copolymer masks

S. Hugger, T. Heinzel and T. Thurn-Albrecht

Appl. Phys. Lett. 93, 102110 (2008)

cond-mat/0806.3896

2008

Magnetoresistance of antidot lattices with grain boundaries

S. Klinkhammer, Hengyi Xu, and T. Heinzel, U. Gennser, G. Faini, C. Ulysse, and A. Cavanna

Phys. Rev. B 77, 235311 (2008)  (Editor's choice)

cond-mat/0804.0999

2008

Magnetic barriers in graphene nanoribbons: Theoretical study of transport properties

Hengyi Xu, T. Heinzel M. Evaldson and I. V. Zozoulenko

Phys. Rev. B 77, 245401 (2008)

cond-mat/0804.0375

2008

Transport properties of chemically synthesized polypyrrole thin Films

C.C. Bof Bufon and T. Heinzel

Phys. Rev. B 76, 245206 (2007)

cond-mat 0707.2711

2007

Influence of magnetic field offsets on the resistance of magnetic barriers in two-dimensional electron gases: experiment and simulations
S. Hugger, M. Cerchez, H. Xu, and T. Heinzel

Phys. Rev. B 76, 195308 (2007)
cond-mat 0708.2032

2007

Resonant reflection at magnetic barriers in quantum wires

Hengyi Xu, T. Heinzel, M. Evaldsson and I. V. Zozoulenko

Phys. Rev. B 75, 205301 (2007)
cond-mat/0701102

2007

Effect of edge transmission and elastic scattering on the resistance of magnetic barriers

M. Cerchez, S. Hugger, T. Heinzel and N. Schulz

Phys. Rev. B 75, 035341 (2007)
cond-mat/0701109

2007

Polypyrole thin- film field- effect transistor

C.C.Bof Bufon and T. Heinzel

Appl. Phys. Lett. 89, 012104 (2006)

2006

Mesoscopic Electronics in Solid State Nanostructures

T. Heinzel

Wiley-VCH (physics textbook)
2006 2 nd edition ISBN3-527-40638-7

2006

Relationship between Chain Length, Disorder, and Resistivity in
Polypyrrole Films

C.C. Bof Bufon, J. Vollmer, T. Heinzel, P. Espindola, H.  John, and J. Heinze
J. Phys. Chem. B.  109,19191 (2005)

2005

Commensurability effects in hexagonal antidot lattices with large antidot diameters

S. Meckler, T. Heinzel, A. Cavanna, G. Faini, U. Gennser, and D. Mailly

Phys. Rev. B 72, 035319 (2005)

2005

Semicrystalline morphology in thin films of poly(3-hexylthiophene)

S. Hugger, R. Thomann, T. Heinzel, and T. Thurn-Albrecht

Colloid Polymer Sci 282, 932 (2004)

2004

Transport signatures of correlated disorder in a two-dimensional electron gas

T. Heinzel, R. Jäggi, E. Ribeiro, M. v. Waldkirch, K.Ensslin, S.E. Ulloa,
G. Medeiros-Ribeiro, and P. M. Petroff

Europhys. Lett. 61, 674 (2003)

2003

Stability of spin states in quantum dots

S. Lindemann, T. Ihn, T. Heinzel, W. Zwerger, K. Ensslin, K. Maranowski, and A. C. Gossard

Phys.  Rev. B 66 195314 (2002)

2002

Lateral superlattices on parabolic quantum wells

S. Lindemann, M. Banninger, T. Ihn,  T. Heinzel, S.E. Ulloa, K. Ensslin, G. Hackenbroich, K. Maranowski, and A. C. Gossard

Phys. Rev. B 66, 165317 (2002)

2002

Bouncing states in quantum dots

S. Lindemann, T. Ihn, S. Bieri, T. Heinzel, K. Ensslin, G. Hackenbroich, K. Maranowski, and A. C. Gossard

Phys. Rev. B  66, 161312 (2002)

2002

Electronic properties of antidot lattices fabricated by atomic force lithography

A. Dorn, M. Sigrist, A. Fuhrer, T. Ihn, T. Heinzel, K. Ensslin, W. Wegscheider, and M. Bichler

Appl. Phys. Lett. 80, 252-254 (2002)

2002

Energy spectra of quantum rings

A. Fuhrer, S. Lüscher, T. Ihn, T. Heinzel, K. Ensslin, W. Wegscheider, and M. Bichler

Nature 413, 822 (2001)

2001

Modelling background charge rearrangements near single-electron transistors as a Poisson process

H.-O. Mueller, M. Furlan, T. Heinzel, and  K. Ensslin

Europhys. Lett. 55, 253 (2001)

2001

Analysis of the temperature-dependent quantum point contact conductance in relation to the metal-insulator transition in two dimensions

V. Senz, T. Heinzel, T. Ihn, S. Lindemann, R. Held, K. Ensslin,W. Wegscheider, and M. Bichler

J. Phys. Condens. Matter 13, 3831 (2001)

2001

Transport properties of quantum dots with hard walls

A. Fuhrer, S. Luescher, T. Heinzel, K. Ensslin, W. Wegscheider, and M. Bichler

Phys. Rev. B  63 , 125309 (2001)

2001

Signatures of Spin Pairing in Chaotic Quantum Dots

S. Luescher,  T. Heinzel, K. Ensslin, W.Wegscheider, and M. Bichler

Phys. Rev. Lett.  86 , 2118 (2001)

2001

Shot Noise by Quantum Scattering in Chaotic Cavities

S. Oberholzer, E.V. Sukhorukov, C. Strunk, C. Schoenenberger, T. Heinzel, W. Wegscheider, and M. Bichler

Phys. Rev. Lett. 86, 2114 (2001)

2001

Electronic Properties of nanostructures defined in Ga[Al]As heterostructures by local oxidation

T. Heinzel, R. Held, S. Luescher, K. Ensslin, W.Wegscheider, and M. Bichler

Review Article on AFM lithography
Physica E  9, 84 (2001)

2001

Single-hole transistor in a p-Si/SiGe quantum well

U. Doetsch, U. Gennser, T. Heinzel, S. Luescher, C. David, G. Dehlinger, D. Gruetzmacher, and K. Ensslin

Appl. Phys. Lett. 78, 341 (2001)

2001

Analysis of the Metallic Phase of Two-dimensional Holes in SiGe in Terms of Temperature Dependent Screening

V. Senz, T. Ihn, T. Heinzel, K. Ensslin, G. Dehlinger, D. Gruetzmacher, and U. Gennser

Phys. Rev. Lett. 85, 4357 (2000)

2000

An optical study of self-assembled InxGa1-xAs/GaAs quantum dots embedded in a two-dimensional electron gas

E. Ribeiro, F. Cerdeira, M.J.S.P. Brasil, T. Heinzel, K. Ensslin, G. Medeiros-Ribeiro, and P.M. Petroff

J. Appl. Phys. 87, 7994 (2000)

2000

Shifting a quantum wire through a disordered crystal: Observation of conductance fluctuations in real space

T. Heinzel, G. Salis, R. Held, S. L\"uscher, K. Ensslin, W. Wegscheider, and M. Bichler

Phys. Rev. B 61, R13353 (2000)

2000

Coexistence of weak localization and a metallic phase in Si/SiGe quantum wells

V. Senz,  T. Heinzel, T. Ihn, K.Ensslin, G. Dehlinger, U. Gennser,  and D. Gruetzmacher

Phys. Rev. B 61, R5082 (2000)

2000

In-plane single electron transistor in Ga[Al]As fabricated by scanning probe lithography

S. Lüscher, A. Fuhrer, R. Held, T. Heinzel, K. Ensslin, and W. Wegscheider

Appl. Phys. Lett. 75, 2452 (1999)

1999

Mode spectroscopy and level coupling in ballistic electron waveguides

G. Salis, T. Heinzel, K. Ensslin,  O.J. Homan, and W. Bächtold

Phys. Rev. B 60, 7756 (1999)

1999

Variation of elastic scattering across a quantum well

G. Salis, P. Wirth, T. Heinzel, T. Ihn, K. Ensslin, K. Maranowski, and A.C. Gossard

Phys. Rev. B 59, R5304 (1999)

1999

The fermionic Hanbury Brown and Twiss experiment

M. Henny, S. Oberholzer, C. Strunk, T. Heinzel, K. Ensslin, M. Holland, and C. Schönenberger

Science 284, 296 (1999)

1999

Metal-insulator transition in a disordered two-dimensional electron gas in GaAs-AlGaAs at zero magnetic field

E. Ribeiro, R. Jäggi, T. Heinzel, K. Ensslin, G. Medeiros-Ribeiro, and P.M. Petroff

Phys. Rev. Lett. 82, 996 (1999)

1999

Fabricating tunable semiconductor devices with an atomic force microscope

R. Held, S. Lüscher, T. Heinzel, K. Ensslin, and W. Wegscheider

Appl. Phys. Lett. 75, 1134 (1999)

1999

Individual scatterers as microscopic origin of equilibration between spin-polarized edge channels in the quantum Hall regime

Y. Acremann, T. Heinzel, K. Ensslin, E. Gini, H. Melchior, and M. Holland

Phys. Rev. B 59, 2116 (1999)

1999

In-plane gates and nanostructures fabricated by direct oxidation of semiconductor heterostructures with an atomic force microscope

R. Held, T. Vancura, T. Heinzel, K. Ensslin, M. Holland, and W. Wegscheider

Appl. Phys. Lett., 73, 262 (1998)

1998

InAs self-assembled quantum dots as controllable scattering centers near a two-dimensional electron gas

E. Ribeiro, E. Müller, T. Heinzel, H. Auderset, K. Ensslin, G. Medeiros-Ribeiro, and P. M. Petroff

Phys. Rev. B 58, 1506 (1998)

1998

Statistics of conductance oscillations of a quantum dot in the Coulomb blockade regime

F. Simmel, T. Heinzel, and D.A. Wharam

Europhys. Lett. 38, 123 (1997)

1998

Conductance and addition spectrum of a 2x2 quantum-dot array in the extended Hubbard model

Z. Yu, T. Heinzel, and A.T. Johnson

Phys. Rev. B 55, 13697 (1997)

1997

Fabrication of a semiconductor quantum point contact by lithography with an atomic force microscope

R. Held, T. Heinzel, P. Studerus, K. Ensslin, and M. Holland

Appl. Phys. Lett., 71 , 2689 (1997)

1997

Coulomb blockade oscillations in a quantum dot strongly coupled to leads

T. Heinzel, A.T. Johnson, D.A. Wharam, J.P. Kotthaus, G. Boehm, W. Klein, G. Traenkle, and G. Weimann

Phys. Rev. B 52, 16638 (1995)

1995

Single electron switching in a parallel quantum dot

F. Hofmann, T. Heinzel, D.A. Wharam, J.P. Kotthaus, G. Boehm, W. Klein, G. Traenkle, and G. Weimann

Phys. Rev. B 51, R13872 (1995)

1995

Periodic modulation of Coulomb-blockade oscillations in high magnetic fields

T. Heinzel, D.A. Wharam, J.P. Kotthaus, G. Boehm, W. Klein, G. Traenkle, and G. Weimann

Phys. Rev. B 50, 15113 (1994)

1994

Modulation of Coulomb Blockade Oscillations by Coherent Resonant Tunnelling

T. Heinzel, S. Manus, D.A. Wharam, J.P. Kotthaus, G. Boehm, W. Klein, G. Traenkle, and G. Weimann

Europhys. Lett.  26, 689 (1994)

1994

Current-voltage characteristics of quantum point contacts in the high bias regime

T. Heinzel, D.A. Wharam, F. de Aguiar, J.P. Kotthaus, G. Boehm, W. Klein, G. Traenkle, and G. Weimann

Semicond. Sci. Technol. 9, 1220 (1994)

1994

Labelling Spectroscopy on argonhydride and argondeuteride in a plasma beam Penning tube

N. Adolph, T. Heinzel, M. Weidemüller, and H. Figger

Z. Phys. D 24, 15 (1992)

1992

 

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