拉斯维加斯赌城

图片

Publications

2023 | 2022 | 2021 | 2020 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 | 1995 | 1994 | 1993 | 1992 | 1991 | 1990 | 1988

2023

Stephan Glamsch und Helmut Karl
Large effect of temperature cycling on the electrical and optical properties of TiO2:H thin films

BibTeX | RIS | DOI

2022

Florian Jung und Helmut Karl
Controlled strained layer epitaxial growth of EuTiO3 on buffered silicon

PDF | BibTeX | RIS | DOI

Florian Jung, Ralph Delmdahl, Andreas Heymann, Max Fischer und Helmut Karl
Surface evolution of crystalline SrTiO3, LaAlO3 and Y3Al5O12 targets during pulsed laser ablation

PDF | BibTeX | RIS | DOI

2021

J. Scharnetzky, P. Baumann, C. Reichl, Helmut Karl, W. Dietsche und W. Wegscheider
Donor implanted back-gates in GaAs for MBE-grown highest mobility two-dimensional electron systems

BibTeX | RIS | DOI

Alfred Grie?er, Thomas Kraus, Oliver Klein und Helmut Karl
Low-resistance electrical contact between epitaxially grown thermoelectric oxide material (Ca2CoO3)0.62CoO2 and iridium

BibTeX | RIS | DOI

2020

Jimmy John, Yael Gutierrez, Zhen Zhang, Helmut Karl, Shriram Ramanathan, Régis Orobtchouk, Fernando Moreno und Sébastien Cueff
Multipolar resonances with designer tunability using VO2 phase-change materials

BibTeX | RIS | DOI | URL | URL

Jan Mundry, Hubert J. Krenner, Helmut Karl und Markus Betz
Near-infrared saturable and reverse saturable absorption of ion beam synthesized VO2 nanocrystals

PDF | BibTeX | RIS | DOI

2017

A. Hartwig, O. Klein und Helmut Karl
Sputtered titanium dioxide thin films for galvanic corrosion protection of AISI 304 stainless steel coupled with carbon fiber reinforced plastics

BibTeX | RIS | DOI

2016

Birgit Hebler, Alexander Hassdenteufel, Patrick Reinhardt, Helmut Karl und Manfred Albrecht
Ferrimagnetic Tb–Fe alloy thin films: composition and thickness dependence of magnetic Properties and all-optical switching

PDF | BibTeX | RIS | DOI

M. Berl, L. Tiemann, W. Dietsche, Helmut Karl und Werner Wegscheider
Structured back gates for high-mobility two-dimensional electron systems using oxygen ion implantation

BibTeX | RIS | DOI

Andreas Brenneis, Felix Schade, Simon Drieschner, Florian Heimbach, Helmut Karl, Jose A. Garrido und Alexander W. Holleitner
THz-circuits driven by photo-thermoelectric, gate-tunable graphene-junctions

PDF | BibTeX | RIS | DOI

Thorben Jostmeier, Hans Moritz Mangold, Johannes Zimmer, Helmut Karl, Hubert J. Krenner, Claudia Ruppert und Markus Betz
Thermochromic modulation of surface plasmon polaritons in vanadium dioxide nanocomposites

PDF | BibTeX | RIS | DOI

2015

M. F. Sarmanova, Helmut Karl, Stephan M?ndl, D. Hirsch, S.G. Mayr und Bernd Rauschenbach
Elastic properties of sub-stoichiometric nitrogen ion implanted silicon

BibTeX | RIS | DOI

V. Baranwal, Jürgen W. Gerlach, A. Lotnyk, Bernd Rauschenbach, Helmut Karl, S. Ojha, D. K. Avasthi, D. Kanjilal und Avinash C. Pandey
Embedded Ge nanocrystals in SiO2 synthesized by ion implantation

BibTeX | RIS | DOI

Alexander Hartwig, M. Decker, O. Klein und Helmut Karl
Stoichiometric titanium dioxide ion implantation in AISI 304 stainless steel for corrosion protection

BibTeX | RIS | DOI

Helmut Karl und S.C. Peyinghaus
Tailoring of the thermomechanical performance of VO2 nanowire bimorph actuators by ion implantation

BibTeX | RIS | DOI

N. Erhard, S. Zenger, Stefanie Mork?tter, Daniel Rudolph, M. Weiss, Hubert J. Krenner, Helmut Karl, Gerhard Abstreiter, Jonathan J. Finley, Gregor Koblmüller und A. W. Holleitner
Ultrafast Photodetection in the Quantum Wells of Single AlGaAs/GaAs-Based Nanowires

BibTeX | RIS | DOI

Christoph Kastl, Christoph Karnetzky, Helmut Karl und Alexander W. Holleitner
Ultrafast helicity control of surface currents in topological insulators with near-unity fidelity

PDF | BibTeX | RIS | DOI

2014

Thorben Jostmeier, Johannes Zimmer, Helmut Karl, Hubert J. Krenner und Markus Betz
Optical Preparation of Stable Supercooled VO2 Nanocrystals: A Route Towards Reconfigurable Photonic Devices for TelecomWavelengths

BibTeX | RIS | DOI

Thorben Jostmeier, Johannes Zimmer, Helmut Karl, Hubert J. Krenner und Markus Betz
Optically imprinted reconfigurable photonic elements in a VO2 nanocomposite

PDF | BibTeX | RIS | DOI

Hans Moritz Mangold, Helmut Karl und Hubert J. Krenner
Site-Selective Ion Beam Synthesis and Optical Properties of Individual CdSe Nanocrystal Quantum Dots in a SiO2 Matrix

BibTeX | RIS | DOI

Andreas Brenneis, Louis Gaudreau, Max Seifert, Helmut Karl, Martin S. Brandt, Hans Huebl, Jose A. Garrido, Frank H. L. Koppens und Alexander W. Holleitner
Ultrafast electronic readout of diamond nitrogen–vacancy centres coupled to graphene

BibTeX | RIS | DOI

T. Kraus, A. Griesser, O. Klein, Martin Fischer, Matthias Schreck und Helmut Karl
Yttria-stabilized zirconia buffered silicon to optimize in-plane electrical conductivity of [Ca2CoO3]0.62[CoO2] thin films

BibTeX | RIS | DOI

2013

Johannes Zimmer, Simon A. Haug, Achim Wixforth, Helmut Karl und Hubert J. Krenner
Nanothermochromic diffraction gratings with giant switching contrast based on the metal-insulator transition of vanadium dioxide

PDF | BibTeX | RIS | DOI

Nadine Erhard, Paul Seifert, Leonhard Prechtel, Simon Hertenberger, Helmut Karl, Gerhard Abstreiter, Gregor Koblmüller und Alexander W. Holleitner
Ultrafast photocurrents and THz generation in single InAs-nanowires

BibTeX | RIS | DOI

2012

Johannes Zimmer, Achim Wixforth, Helmut Karl und Hubert J. Krenner
Ion beam synthesis of nanothermochromic diffraction gratings with giant switching contrast at telecom wavelengths

PDF | BibTeX | RIS | DOI

Erratum: https://doi.org/10.1063/1.4766169

Leonhard Prechtel, Milan Padilla, Nadine Erhard, Helmut Karl, Gerhard Abstreiter, Anna Fontcuberta I Morral und Alexander W. Holleitner
Time-resolved photoinduced thermoelectric and transport currents in GaAs nanowires

BibTeX | RIS | DOI

2011

Thomas Wehlus, Timo H. K?rner, Stefan Nowy, J?rg Frischeisen, Helmut Karl, Bernd Stritzker und Wolfgang Brütting
Hybrid organic-inorganic materials for integrated optoelectronic devices

PDF | BibTeX | RIS | DOI

2010

Helmut Karl, Jing Peng und Bernd Stritzker
Effects of He-irradiation on the metal-to-insulator transition of vanadium dioxide nanoclusters

BibTeX | RIS | DOI

2009

D. J. As, E. Tschumak, H. P?ttgen, O. Kasdorf, Jürgen W. Gerlach, Helmut Karl und K. Lischka
Carbon doping of non-polar cubic GaN by CBr4

BibTeX | RIS | DOI

Helmut Karl, J. Dreher und Bernd Stritzker
Semiconductor-metal phase transition in doped ion beam synthesized VO2 nanoclusters

BibTeX | RIS | DOI

2008

A. W. Achtstein, Helmut Karl, S. Zhenhua und Bernd Stritzker
Memory effects in optically active CdSe nanocrystal doped MOS structures

BibTeX | RIS | DOI

Rosiana Aguiar, Dmitry Logvinovich, Anke Weidenkaff, Helmut Karl, Christof W. Schneider, Armin Reller und Stefan G. Ebbinghaus
Physical properties of (La,Sr)Ti(O,N)3 thin films grown by pulsed laser deposition

BibTeX | RIS | DOI

V. Baranwal, Avinash C. Pandey, Jürgen W. Gerlach, Bernd Rauschenbach, Helmut Karl, D. Kanjilal und D. K. Avasthi
Rapid thermal and swift heavy ion induced annealing of Co ion implanted GaN films

BibTeX | RIS | DOI

2007

Helmut Karl
Combinatorial ion beam synthesis of II-VI compound semiconductor nanoclusters

BibTeX | RIS

2006

P. Huber, Helmut Karl und Bernd Stritzker
Combinatorial ion beam synthesis of CdSxSe1-x nanocrystals

BibTeX | RIS | DOI

A. W. Achtstein, Helmut Karl und Bernd Stritzker
Electric-field-controlled photoluminescence of CdSe nanocrystal-doped SiO2 on Si

BibTeX | RIS | DOI

A. W. Achtstein, Helmut Karl und Bernd Stritzker
Field induced photoluminescence quenching and enhancement of CdSe nanocrystals embedded in SiO2

BibTeX | RIS | DOI

Helmut Karl, Ch. Delpero, P. Huber und Bernd Stritzker
Recovery of the Si-SiO2 interface studied by self-diffusion after high fluence ion implantation of Si-28

BibTeX | RIS | DOI

Helmut Karl, Ch. Delpero, P. Huber und Bernd Stritzker
Recovery of the Si–SiO2 interface studied by self-diffusion after high fluence ion implantation of 28Si

BibTeX | RIS | DOI

S. Groudeva-Zotova, Helmut Karl, A. Savan, J. Feydt, B. Wehner, T. Walther, N. Zotov, Bernd Stritzker und A. Ludwig
Structural and magnetic characteristics of FeCo thin films modified by combinatorial ion implantation

BibTeX | RIS | DOI

P. Huber, Helmut Karl, J?rg K. N. Lindner und Bernd Stritzker
Structural investigation of CdSSe-nanocrystals synthesized by ion-beam-implantation

BibTeX | RIS | DOI

P. Huber, Helmut Karl und Bernd Stritzker
Synthesis and laser annealing of embedded CdSe-nanoparticles in SiO2 by pulsed excimer laser radiation

BibTeX | RIS | DOI

2005

Helmut Karl, Ingo Gro?hans und Bernd Stritzker
Combinatorial ion beam synthesis of semiconductor nanoclusters

BibTeX | RIS | DOI

I. D. Desnica-Frankovic, P. Dub?ek, M. Buljan, K. Furic, U. V. Desnica, S. Bernstorff, Helmut Karl, Ingo Gro?hans und Bernd Stritzker
Influence of stoichiometry deviations on properties of ion-beam synthesized CdSe QDs

BibTeX | RIS | DOI

Stefan Gsell, Matthias Schreck, Thomas Bauer, Helmut Karl, G?tz Thorwarth, A. Bergmaier, G. Dollinger und Bernd Stritzker
The nucleation centers formed during bias-enhanced nucleation of diamond on iridium: structure and stability

BibTeX | RIS | DOI

2004

Ingo Gro?hans, Helmut Karl und Bernd Stritzker
Combinatorial ion implantation – a smart technique applied to synthesize CdSe-nanocrystals

BibTeX | RIS | DOI

Helmut Karl, Ingo Gro?hans und Bernd Stritzker
Self organized compound semiconductor nanocrystallite distributions in SiO2 on Silicon synthesized by ion implantation

BibTeX | RIS

Helmut Karl, I. Groβhans, P. Huber und Bernd Stritzker
Superfluorescence of ion beam synthesized dense-packed embedded CdSe nanoclusters

BibTeX | RIS | DOI

Ingo Gro?hans, Helmut Karl und Bernd Stritzker
Synthesis and screening of materials libraries of buried compound semiconductors by ion beam implantation

BibTeX | RIS

Ingo Gro?hans, Helmut Karl und Bernd Stritzker
Temporal evolution of ion implanted CdSe distribution in SiO2 on Silicon during annealing

BibTeX | RIS | DOI

2003

Ingo Gro?hans, Helmut Karl und Bernd Stritzker
Advanced apparatus for combinatorial synthesis of buried II-VI nanocrystals by ion implantation

BibTeX | RIS | DOI

Ingo Gro?hans, Helmut Karl und Bernd Stritzker
Automated implanter endstation for combinatorial materials science with ion beams

BibTeX | RIS

I. D. Desnica-Frankovic, U. V. Desnica, P. Dub?ek, M. Buljan, S. Bernstorff, Helmut Karl, Gro?hans und Bernd Stritzker
Ion beam synthesis of buried Zn-VI quantum dots in SiO2 – grazing incidence small-angle X-ray scattering studies

BibTeX | RIS | DOI

W. Hipp, Helmut Karl, Ingo Gro?hans und Bernd Stritzker
Quantum confinement in CdSe-nanocrystallites synthesized by ion implantation

BibTeX | RIS | DOI

Andreas Heinrich, Bernhard W?rz, Helmut Karl und Bernd Stritzker
Study of a non-thermal/thermal formation of NiO on Ni5W-tapes

BibTeX | RIS | DOI

2002

Ingo Gro?hans, Helmut Karl und Bernd Stritzker
Combinatorial synthesis of ZnTe nanocrystals in SiO2 on Silicon by ion implantation

BibTeX | RIS | DOI

Helmut Karl, K. Y. Gao, Ingo Gro?hans, W. Hipp und Bernd Stritzker
Comparative study of as-implanted and pre-damaged ion-beam-synthesized ZnS nanocrystallites in SiO2

BibTeX | RIS | DOI

Helmut Karl, W. Hipp, Ingo Gro?hans und Bernd Stritzker
Ion beam synthesis of buried CdSe nanocrystallites in SiO2 on (100)-Silicon

BibTeX | RIS | DOI

Helmut Karl, Ingo Gro?hans, Axel Wenzel, Bernd Stritzker, Ralph Claessen, Vladimir Strocov, G. E. Cirlin, V. A. Egorov, N. K. Polyakov, Yu. B. Samsonenko, D. V. Denisov, V. M. Ustinov und Zh. I. Alferov
Stoichiometry and absolute atomic concentration profiles obtained by combined Rutherford backscattering spectroscopy and secondary-ion mass spectroscopy: InAs nanocrystals in Si

BibTeX | RIS | DOI

2001

Helmut Karl, Ingo Gro?hans, Wilfried Attenberger, Markus Schmid und Bernd Stritzker
Buried ZnTe nanocrystallites in thermal SiO2 on silicon synthesized by high dose ion implantation

BibTeX | RIS | DOI

2000

Axel Wenzel, Helmut Karl und Bernd Rauschenbach
Distribution of ion implanted dopants in Gallium Nitride

BibTeX | RIS

1995

B. Avenhaus, A. Porch, M. J. Lancaster, S. Hensen, M. Lenkens, S. Orbach-Werbig, G. Müller, U. D?hne, N. Tellmann, N. Klein, C. Dubourdieu, J. P. Senateur, O. Thomas, Helmut Karl, Bernd Stritzker, J. A. Edwards und R. Humphreys
Microwave properties of YBCO thin films

BibTeX | RIS | DOI

1994

Ludwig Hofmann, Helmut Karl, Philipp Seng und Konrad Samwer
Hall effect measurements on YBa2Cu3O7-d-films with different oxygen deficiency

BibTeX | RIS | DOI

L. Hofmann, Philipp Seng, Helmut Karl und Konrad Samwer
Hall effect measurements on YBa2Cu3O7?δ-films with different oxygen defficiency

BibTeX | RIS | DOI

G. Dortmann, J. Erxmeyer, S. Bl?sser, J. Steiger, T. Paatsch, Andreas Weidinger, Helmut Karl und Bernd Stritzker
Hydrogenation of thin Y-Ba-Cu-O films: electrical transport and structure properties of YBa2Cu3O7 and YBa2Cu4O8

BibTeX | RIS | DOI

Helmut Karl, Josef Hartmann und Bernd Stritzker
In-plane lattice constant relaxation during laser ablation of YBCO and yttria-stabilized zirconia

BibTeX | RIS | DOI

Ludwig Hofmann, Helmut Karl und Konrad Samwer
Normal-state hall effect and resistivity measurement of YBa2Cu3Ox-films with different oxygen content

BibTeX | RIS | DOI

L. Hofmann, Helmut Karl und Konrad Samwer
Normal-state hall effect and resistivity measurements of YBa2Cu3Ox-films with different oxygen content

BibTeX | RIS | DOI

A. Neminsky, J. Dumas, B. P. Thrane, C. Schlenker, Helmut Karl und Bernd Stritzker
Thickness dependence of the irreversibility line in YBa2Cu3O7 epitaxial thin films

BibTeX | RIS | DOI

A. Neminsky, J. Dumas, C. Schlenker, Helmut Karl und Bernd Stritzker
Time dependent effects in the irreversibility line of YBa2Cu3O7 very thin films studied by DC magnetization

BibTeX | RIS | DOI

Helmut Karl
Zeitaufgel?ste in-situ-RHEED-Messungen w?hrend der Laserablation von YBa 2 Cu 3 O 7-x , SrTiO 3 und (Y 2 O 3 ) ZrO 2 und Charakterisierung der Schichten mit dem Raster-Tunnel-Mikroskop, RBS und elektrischen Methoden

PDF | BibTeX | RIS

Urspr. erschienen als Augsburg, Univ., Diss., 1994.

Helmut Karl
Zeitaufgel?ste in-situ-RHEED-Messungen w?hrend der Laserablation von YBa2Cu3O7-x, SrTiO3 und (Y2O3)ZrO2 und Charakterisierung der Schichten mit dem Raster-Tunnel-Mikroskop, RBS und elektrischen Methoden

BibTeX | RIS

Augsburg, Univ., Diss., 1994

1993

Helmut Karl und Bernd Stritzker
In-situ rheed studies of YBCO-film growth during pulsed laser deposition

BibTeX | RIS | DOI

Helmut Karl und Bernd Stritzker
Rheed-oscillations during pulsed laser deposition of YBCO

BibTeX | RIS

A. Neminsky, B. P. Thrane, J. Dumas, R. Buder, C. Schlenker, Helmut Karl, Thomas Bollmeier, Bernd Stritzker und M. Brunel
Thickness dependence of the irreversibility line in YBa2Cu3O7 thin films studied by magnetic and microwave measurements

BibTeX | RIS

1992

Helmut Karl und Bernd Stritzker
Reflection high-energy electron diffraction oscillations modulated by laser-pulse deposited YBa2Cu3O7-x

BibTeX | RIS | DOI

1991

C. Ziegler, F. Baudenbacher, Helmut Karl, H. Kinder und W. G?pel
Interface analysis of the system Si/YBa2Cu3O7-x

BibTeX | RIS | DOI

1990

F. Baudenbacher, Helmut Karl, P. Berberich und H. Kinder
In-situ Rheed studies of initial growth stages of YBCO-films by thermal Co-evaporation

BibTeX | RIS | DOI

A. Lega, Helmut Karl, W. Dietsche, A. Fischer und K. Ploog
Phonon-drag effect in GaAs-AlGaAs heterostructures by monochromatic phonons

BibTeX | RIS | DOI

F. Baudenbacher, Helmut Karl, P. Berberich und H. Kinder
Rheed studies of epitaxial growth of YBCO-films prepared by thermal co-evaporation

BibTeX | RIS | DOI

1988

Helmut Karl, W. Dietsche, A. Fischer und K. Ploog
Imaging of the phonon-drag effect in GaAs-AlGaAs heterostructures

BibTeX | RIS | DOI | URL

Allgemeine Kontaktinformationen:

Anschrift:
Experimentalphysik IV

Institut für Physik

Universit?t Augsburg

86135 Augsburg


Telefon: +49 821 598 -3402 (Sekretariat)

Fax: +49 821 598 -3425

E-Mail: sekretariat_ep4@physik.uni-augsburg.de (Sekretariat)

?

Geb?ude: R

? University of Augsburg

Search