Walter Riess  Walter Riess photo         

contact information

Department Manager Science & Technology
Zurich Research Laboratory, Zurich, Switzerland


Professional Associations

Professional Associations:  Deutsche Physikalische Gesellschaft (DPG)  |  IEEE, Senior Member  |  Materials Research Society (MRS)  |  Swiss Physical Society

more information

More information:  Science & Technology  |  Binnig & Rohrer Nanotechnology Center


4.1: A 20-inch OLED Display Driven by Super-Amorphous-Silicon Technology
Takatoshi Tsujimura, Yoshinao Kobayashi, Kohji Murayama, Atsushi Tanaka, Mitsuo Morooka, Eri Fukumoto, Hiroki Fujimoto, Junichi Sekine, Keigo Kanoh, Keizo Takeda, others
SID Symposium Digest of Technical Papers, pp. 6-9, 2012


Comparison of VLS grown Si NW tunnel FETs with different gate stacks
KE Moselund, H Ghoneim, MT Bjork, H Schmid, S Karg, E Lortscher, W Riess, H Riel
Proceedings of the European Solid State Device Research Conference "ESSDERC'09", pp. 448-451, 2009

Mapping active dopants in single silicon nanowires using off-axis electron holography
M.I. den Hertog, H. Schmid, D. Cooper, J.L. Rouviere, M.T. Björk, H. Riel, P. Rivallin, S. Karg, W. Riess
Nano Letters 9(11), 3837-3843, ACS Publications, 2009

Donor deactivation in silicon nanostructures
M.T. Björk, H. Schmid, J. Knoch, H. Riel, W. Riess
Nature Nanotechnology 4(2), 103-107, Nature Publishing Group, 2009

Lateral strain profile as key technology booster for all-silicon tunnel FETs
Kathy Boucart, Walter Riess, Adrian Mihai Ionescu
Electron Device Letters, IEEE 30(6), 656-658, IEEE, 2009


Toward nanowire electronics
J. Appenzeller, J. Knoch, M.T. Bjork, H. Riel, H. Schmid, W. Riess
Electron Devices, IEEE Transactions on 55(11), 2827-2845, IEEE, 2008

Silicon nanowire tunneling field-effect transistors
M.T. Björk, J. Knoch, H. Schmid, H. Riel, W. Riess
Applied Physics Letters 92(19), 193504, AIP, 2008

Doping limits of grown in situ doped silicon nanowires using phosphine
H. Schmid, M.T. Björk, J. Knoch, S. Karg, H. Riel, W. Riess
Nano Letters 9(1), 173-177, ACS Publications, 2008

Patterned epitaxial vapor-liquid-solid growth of silicon nanowires on Si (111) using silane
H. Schmid, MT Bjork, J. Knoch, H. Riel, W. Riess, P. Rice, T. Topuria
Journal of Applied Physics 103(2), 024304-024304, AIP, 2008


Dielectric spectroscopy on the quasi--one-dimensional organic charge density wave conductor (Fluoranthene) 2PF6
C Math, W Brütting, W Riess
EPL (Europhysics Letters) 35(3), 221, IOP Publishing, 2007

Charge density waves in organic conductors:(Fluoranthene) 2X as a model system
C Math, W Brütting, W Riess
Physica Scripta 1993(T49B), 721, IOP Publishing, 2007

Nanoparticle printing with single-particle resolution
Tobias Kraus, Laurent Malaquin, Heinz Schmid, Walter Riess, Nicholas D Spencer, Heiko Wolf
Nature Nanotechnology 2(9), 570-576, Nature Publishing Group, 2007

Vertical surround-gated silicon nanowire impact ionization field-effect transistors
MT Bjork, O Hayden, H Schmid, H Riel, W Riess
Applied Physics Letters 90(14), 142110-142110, AIP, 2007

Fully Depleted Nanowire Field-Effect Transistor in Inversion Mode
O. Hayden, M.T. Björk, H. Schmid, H. Riel, U. Drechsler, S.F. Karg, E. Lörtscher, W. Riess
Small 3(2), 230-234, 2007


Realization of a Silicon Nanowire Vertical Surround-Gate Field-Effect Transistor
Volker Schmidt, Heike Riel, Stephan Senz, Siegfried Karg, Walter Riess, Ulrich Gösele
Nanotechnology 2(1), 85-88, 2006

Tuning Optoelectronic Properties of Ambipolar Organic Light-Emitting Transistors Using a Bulk-Heterojunction Approach
Maria Antonietta Loi, Constance Rost-Bietsch, Mauro Murgia, Siegfried Karg, Walter Riess, Michele Muccini
Advanced Functional Materials 16(1), 41-47, Wiley Online Library, 2006

Nanowire-based one-dimensional electronics
C Thelander, P Agarwal, S Brongersma, J Eymery, LF Feiner, A Forchel, M Scheffler, W Riess, BJ Ohlsson, U Gösele
Materials Today 9(10), 28-35, Elsevier, 2006

Realization of a Silicon Nanowire Vertical Surround-Gate Field-Effect Transistor
V. Schmidt, H. Riel, S. Senz, S. Karg, W. Riess, U. Gösele
Small 2(1), 85-88, Wiley Online Library, 2006


Operation and properties of ambipolar organic field-effect transistors
G Paasch, Th Lindner, C Rost-Bietsch, S Karg, W Riess, Susanne Scheinert
Journal of Applied Physics 98(8), 084505-084505, AIP, 2005


Light-emitting ambipolar organic heterostructure field-effect transistor
Constance Rost, Siegfried Karg, Walter Riess, Maria Antonietta Loi, Mauro Murgia, Michele Muccini
Synthetic Metals 146(3), 237-241, Elsevier, 2004

Enhanced efficiency of polymer light emitting diodes utilizing oxadiazole polymers
Siegfried Karg, Walter Riess, Markus Schwoerer, Elke Buchwald, Martin Meier, Peter Pösch, Hans-Werner Schmidt, Peter Strohriegl
Advanced Materials 7(10), 839-842, Wiley Online Library, 2004

Optimizing OLED Structures for a-Si Display Applications via Combinatorial Methods and Enhanced Outcoupling
W Riess, TA Beierlein, H Riel
physica status solidi (a) 201(6), 1360-1371, Wiley Online Library, 2004

Ambipolar light-emitting organic field-effect transistor
Constance Rost, Siegfried Karg, Walter Riess, Maria Antonietta Loi, Mauro Murgia, Michele Muccini
Applied Physics Letters 85(9), 1613-1615, AIP, 2004


Investigation of internal processes in organic light-emitting devices using thin sensing layers
TA Beierlein, B Ruhstaller, DJ Gundlach, H Riel, S Karg, C Rost, W Riess
Synthetic Metals 138(1), 213-221, Elsevier, 2003

Simulating electronic and optical processes in multilayer organic light-emitting devices
Beat Ruhstaller, Tilman Beierlein, Heike Riel, Siegfried Karg, J Campbell Scott, Walter Riess
Selected Topics in Quantum Electronics, IEEE Journal of 9(3), 723--731, IEEE, 2003

Synthesis, electrical conductivity and electroluminescence of poly (p-phenylene vinylene) prepared by the precursor route
J Gmeiner, S Karg, M Meier, W Riess, P Strohriegl, M Schwoerer
Acta Polymerica 44(4), 201-205, Wiley Online Library, 2003


Combinatorial device fabrication and optimization of multilayer organic LEDs
Tilman A Beierlein, Hans-Peter Ott, Horst Hofmann, Heike Riel, Beat Ruhstaller, Brian Crone, Siegfried Karg, Walter Riess
Proc. SPIE, pp. 178--186, 2002


STM investigation of vapor-deposition polymerization
SF Alvarado, W Riess, M Jandke, P Strohriegl
Organic Electronics 2(2), 75-82, Elsevier, 2001

Charge-carrier injection into CuPc thin films: a scanning tunneling microscopy study
SF Alvarado, L Rossi, P Müller, W Riess
Synthetic Metals 122(1), 73-77, Elsevier, 2001

STM-Based Charge-Injection Spectroscopy at the Organic/Metal Interface
P Muller, SF Alvarado, L Rossi, W Riess
Materials Physics and Mechanics4, 76-80, 2001

Influence of trapped and interfacial charges in organic multilayer light-emitting devices
W. Riess, H. Riel, T. Beierlein, W. Brütting, P. Müller, P. F. Seidler
IBM Journal of Research and Development 45(1), 77--88, IBM, 2001

STM-excited electroluminescence and spectroscopy on organic materials for display applications
SF Alvarado, L Rossi, P Muller, PF Seidler, W Riess
IBM Journal of Research and Development 45(1), 89-100, IBM, 2001

Transient and steady-state behavior of space charges in multilayer organic light-emitting diodes
B Ruhstaller, SA Carter, S Barth, H Riel, W Riess, JC Scott
Journal of Applied Physics 89(8), 4575-4586, AIP, 2001


Electron Mobility in Alq3 Determined via Transient Electroluminescence from Single-and Multilayer Organic Light-Emitting Diodes
S. Barth, P. Müller, H. Riel, PF Seidler, W. Riess, H. Vestweber, H. Bässler
Technical Report RZ 3245 (# 93291), 2000

Electron injection into an Alq3 single-layer organic light-emitting diode
S. Barth, P. Müller, H. Riel, PF Seidler, W. Riess, H. Vestweber, U. Wolf, H. Bässler
Synthetic Metals111, 327-330, Elsevier, 2000

Influence of alkoxy substituents on the exciton binding energy of conjugated polymers
L Rossi, SF Alvarado, W Riess, S Schrader, DG Lidzey, DDC Bradley
Synthetic Metals111, 527-530, Elsevier, 2000

Influence of space charges on the current-voltage characteristic of organic light-emitting devices
H. Riel, T. Beierlein, E. Haskal, W. Riess, others
Synthetic Metals111, 303-306, Elsevier, 2000

Kelvin probe investigations of metal work functions and correlation to device performance of organic light-emitting devices
TA Beierlein, W. Brütting, H. Riel, EI Haskal, P. Müller, W. Riess
Synthetic Metals111, 295-297, Elsevier, 2000


Temperature stability of OLEDs using amorphous compounds with spiro-bifluorene core
Hubert Spreitzer, Hermann W Schenk, Josef Salbeck, Frank Weissoertel, Heike Reil, Walter Riess
SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, pp. 316--324, 1999

Current injection from a metal to a disordered hopping system. III. Comparison between experiment and Monte Carlo simulation
S. Barth, U. Wolf, H. Bässler, P. Müller, H. Riel, H. Vestweber, PF Seidler, W. Riess
Physical Review B 60(12), 8791, APS, 1999


New polymeric heterolayer systems for efficient light-emitting devices
Sigurd K Schrader, Walter Riess, Horst Vestweber, Norbert Koch
SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, pp. 188--194, 1998

Influence of charge carrier injection on the device performance of blue organic light-emitting diodes
Heike Riel, Horst Vestweber, Walter Riess
Optoelectronics and High-Power Lasers & Applications, pp. 240-247, 1998


Highly efficient and stable organic light-emitting diodes
Horst Vestweber, Walter Riess
Synthetic Metals 91(1), 181-185, Elsevier, 1997

Light-emitting diodes based on poly-p-phenylene-vinylene: I. Charge-carrier injection and transport
S Karg, M Meier, W Riess
Journal of Applied Physics 82(4), 1951-1960, AIP, 1997

Light-emitting diodes based on poly-p-phenylene-vinylene: II. Impedance spectroscopy
M Meier, S Karg, W Riess
Journal of Applied Physics 82(4), 1961-1966, AIP, 1997


MetaVInsulatorPolymer-LEDs Based on PPV
Martin Meier, Michael Cölle, Siegfried Karg, Elke Buchwald, Jürgen Gmeiner, Walter Riess, Markus Schwoerer
Molecular Crystals and Liquid Crystals 283(1), 197-202, Taylor & Francis, 1996

Polymer light emitting diodes
Michael Greczmiel, Peter Pösch, Hans-Werner Schmidt, Peter Strohriegl, Elke Buchwald, Martin Meier, Walter Riess, Markus Schwoerer
Macromolecular Symposia, pp. 371-380, 1996

Monte Carlo study of picosecond exciton relaxation and dissociation in poly (phenylenevinylene)
M Scheidler, U Lemmer, R Kersting, S Karg, W Riess, B Cleve, RF Mahrt, H Kurz, H Bässler, EO Göbel, P Thomas
Physical Review B 54(8), 5536, APS, 1996


Characterization of polymeric light emitting diodes by SIMS depth profiling analysis
G Sauer, M Kilo, M Hund, A Wokaun, S Karg, M Meier, W Riess, M Schwoerer, H Suzuki, J Simmerer, others
Fresenius' Journal of Analytical Chemistry 353(5), 642-646, Springer, 1995


Electron spin resonance in PPV-photodiodes: detection via photoinduced current
V Dyakonov, N Gauss, G Rösler, S Karg, W Riess, M Schwoerer
Chemical Physics 189(3), 687-695, Elsevier, 1994

Analysis of the dc conductivity of the quasi-one-dimensional charge-density-wave conductor (fluoranthene)2X
PH Nguyen, G Paasch, W Brütting, W Riess
Physical Review B 49(8), 5172, APS, 1994


Microwave conductivity of the organic charge density wave conductor (fluoranthene)2 X
C Hauenschild, HW Helberg, W Riess, W Brütting, M Schwoerer
Synthetic Metals 56(2), 2635-2640, Elsevier, 1993

CDW instability in the 2: l organic conductor (FA) 2PF6
V Ilakovac, S Ravy, JP Pouget, W Riess, W Brütting, M Schwoerer
Le Journal de Physique IV 3(C2), 2, 1993

Characterization of light emitting diodes and solar cells based on poly-phenylene-vinylene
S Karg, W Riess, M Meier, M Schwoerer
Synthetic Metals 57(1), 4186-4191, Elsevier, 1993

Electrical and optical characterization of poly (phenylene-vinylene) light emitting diodes
S Karg, W Riess, V Dyakonov, M Schwoerer
Synthetic Metals 54(1), 427-433, Elsevier, 1993


DC Conductivity and Peierls instability in the quasi-one-dimensional organic charge density wave conductor (fluoranthene)2X
W Brütting, W Riess, M Schwoerer
Annalen der Physik 504(6), 409-422, Wiley Online Library, 1992


High-θ polyacetylene: DC conductivity between 14 mK and 300 K
Th Schimmel, G Denninger, W Riess, J Voit, M Schwoerer, Wilfried Schoepe, H Naarmann
Synthetic Metals 28(3), D11-D18, Elsevier, 1989


The percutaneous absorption of diclofenac
W Riess, K Schmid, L Botta, K Kobayashi, J Moppert, W Schneider, A Sioufi, A Strusberg, M Tomasi
Arzneimittelforschung 36(7), 1092-1096, 1986


Pharmacokinetics and metabolism of the anti-inflammatory agent Voltaren
W Riess, H Stierlin, P Degen, JW Faigle, A Gerardin, J Moppert, A Sallmann, K Schmid, A Schweizer, M Sulc, others
Scandinavian Journal of Rheumatology 7(S22), 17-29, Informa UK Ltd UK, 1978


The pharmacokinetic properties of maprotiline (Ludiomil) in man
W Riess, L Dubey, EW Funfgeld, P Imhof, H Hurzeler, N Matussek, TG Rajagopalan, F Raschdor, K Schmid
J. Int. Med. Res3, 16-41, 1975


Metabolic studies on oxprenolol in animals and man by means of radio-tracer techniques and GLC-analysis.
W Riess, TG Rajagopalan, P Imhof, K Schmid, H Keberle, others
Postgraduate Medical Journal, Suppl-32, 1970


The metabolic fate of thalidomide
JW Faigle, H Keberle, Wr Riess, K Schmid
Cellular and Molecular Life Sciences 18(9), 389-397, Springer, 1962