Dag Winkler
Dag Winkler received his PhD in Physics at Chalmers in 1987, and spent two years as research associate at Yale University from 1988 to 1990.
He became docent in 1993 at Chalmers and professor in 2000 at Gothenburg University. In 2003 he was appointed professor in physics at Chalmers University of Technology.
His main research is tunneling in superconductors and superconducting electronics, such as SIS (Superconductor-Insulator-Superconductor) and HEB (Hot Electron Bolometer) high frequency mixers and Josephson flux-flow oscillators for the THz-range, SQUIDs (Superconducting QUantum Interference Device) and applications at low level measurements. His current research activities include multifunctional materials and their interfaces, such as high temperature superconductors (HTS) and related perovskites, the 2D electronic properties at interfaces between LaAl2O3 and SrTiO3, intrinsic Josephson effects in single crystal Bi2212, and HTS SQUIDs for MEG (magnetoencephalography) and ULF-MRI (Ultra Low Field Magnetic Resonance Imaging).
He has long experience in microwave technology, low temperature physics, and cryogenic systems. Part time he worked at ABB Corporate Research on development of cryogenic high voltage cables and low-level measurements using superconducting electronics.
From 1999 to 2003, he was also engaged at the Imego Institute (now Acreo), building up an activity on magnetic sensor systems and microwave technology.
During 2006 to 2007 he was the head of the Quantum Device Physics Laboratory.
During the period June 1, 2007 to June 30, 2016 he was head of the Department of Microtechnology and Nanoscience – MC2, at Chalmers University of Technology.
Showing 106 publications
In Memory of Leonid Sergeevich Kuzmin (1946-2022)
Gate-tunable pairing channels in superconducting non-centrosymmetric oxides nanowires
Nanopatterning of weak links in superconducting oxide interfaces
Non-Thermal Absorption and Quantum Efficiency of SINIS Bolometer
A 90 GHz SINIS detector with 2 GHz readout
The role of kinetic inductance on the performance of YBCO SQUID magnetometers
A 7-Channel High-T-c SQUID-Based On-Scalp MEG System
SQUID magnetometer based on Grooved Dayem nanobridges and a flux transformer
On-scalp MEG SQUIDs are sensitive to early somatosensory activity unseen by conventional MEG
Spectral Response of Arrays of Half-wave and Electrically Small Antennas with SINIS Bolometers
SQUID magnetometer based on Grooved Dayem nanobridges and a flux transformer
Magnetic field sensing with the kinetic inductance of a high-Tc superconductor
Homogeneous differential magnetic assay
Grooved Dayem Nanobridges as Building Blocks of High-Performance YBa2Cu3O7−δ SQUID Magnetometers
SINIS bolometer with a suspended absorber
Development of a sensitive induction-based magnetic nanoparticle biodetection method
Feedback solutions for low crosstalk in dense arrays of high-T-c SQUIDs for on-scalp MEG
Homogeneous superconductivity at the LaAlO3/SrTiO3 interface probed by nanoscale transport
Improved coupling of nanowire-based high-T-c SQUID magnetometers-simulations and experiments
Benchmarking for On-Scalp MEG Sensors
High-T-c SQUID biomagnetometers
Magnetic waveguides for neutron reflectometry
Sensitive magnetic biodetection using magnetic multi-core nanoparticles and RCA coils
Magnetic proximity effect at the interface between a cuprate superconductor and an oxide spin valve
Hardening of the soft phonon in bulk SrTiO3 interfaced with LaAlO3 and SrRuO3
Retention of Electronic Conductivity in LaAlO3/SrTiO3 Nanostructures Using a SrCuO2 Capping Layer
1D Josephson quantum interference grids: diffraction patterns and dynamics
Operation of a high-T-C SQUID gradiometer with a two-stage MEMS-based Joule-Thomson micro-cooler
Nondestructive cleaning of the LaAlO3/SrTiO3 surface with ultraviolet light and ozone
Experimental Study of Spectral Properties of a Frenkel-Kontorova System
Single-crystalline Bi2Sr2CaCu2O8+x detectors for direct detection of microwave radiation
Cation stoichiometry and electrical transport properties of the NdGaO 3 /(0 0 1)SrTiO 3 interface
Reversible metal-insulator transition of Ar-irradiated LaAlO3/SrTiO3 interfaces
Hybrid superconducting mesa-heterostructure with manganite-ruthenate interlayer
Pulsed laser deposition of thin YBCO films on faceted YSZ single crystal fibers
Triplet superconductivity in oxide ferromagnetic interlayer of mesa-structure
Novel HTS DC squid solutions for NMR applications
Magnetorefractive and Kerr effects in the La0.67Ca0.33MnO3/La0.67Sr0.33MnO3 (n) superlattices
Atomic rearrangements at the TiO2-terminated (001)SrTiO3 surface and growth of thin LaMnO3 films
Growth of YBa2Cu3O7 films with [110] tilt of CuO planes to surface on SrTiO3 crystals
Electrical and structural properties of ABO3/SrTiO3 interfaces
Inhomogeneous Microstructure and Electrical Transport Properties at the LaAlO3/SrTiO3 Interface
Growth of YBa2Cu3O7 films with 100 tilt of CuO planes to the surface on SrTiO3 crystals
Noise properties of HTS flux transformers fabricated by chemical-mechanical polishing
An electrowetting-based microfluidic platform for magnetic bioassays
In situ detection of radiation and heat balance in large Bi2212 mesas
Kelvin Probe Force Microscopy Study of LaAlO3/SrTiO3 Heterointerfaces
Intrinsic Josephson tunneling in high-temperature superconductors
Evaluation of recipes for obtaining single terminated perovskite oxide substrates
Towards an electrowetting-based digital microfluidic platform for magnetic immunoassays
Towards a droplet-based microfluidic platform with SQUID readout for magnetic immunoassays
Development of an electrowetting-based microfluidic platform for magnetic immunoassays
Electron transport and microwave dynamics of hybrid Nb/Au/CaSrCuO/YBaCuO planar Josephson junctions
Small-number arrays of intrinsic Josephson junctions
High-frequency dynamics of hybrid oxide Josephson heterostructures
High-Tc SQUID gradiometer system for immunoassays
Properties of a bio-photovoltaic nano-device
Effect of various deposition conditions on the electrical properties of LAO/STO hetero interfaces
HTS SQUID measurements of evoked magnetic fields from transverse hippocampal slices
Temperature sensitivity and noise of Josephson detector on bicrystal sapphire substrates at 77 K
Intrinsic Josephson junctions formed inside ultra-thin BSCCO single crystals
High resolution thermal imaging of hotspots in superconducting films
Superconducting Quantum Interference Filters as RF amplifiers
Conductivity and antiferromagnetism of CaCuO2 thin films doped by Sr
Superconducting weak bonds at grain boundaries in MgB2
Self-consistent estimations of heating in stacks of intrinsic Josephson junctions
Josephson Effect in Hybrid Oxide Heterostructures with an Antiferromagnetic Layer
Development of a High-Tc SQUID-Based System for Neurophysiology Studies In-Vitro
Single intrinsic Josephson junction with double-sided fabrication technique
Thickness dependence of the superconducting properties of ultra-thin Bi2Sr2CaCu2O8+x single crystals
Current-induced in-plane superconducting transition in intrinsic Josephson junctions
Smooth NdBa2Cu3O7-delta thin films and ramp Josephson junctions
Grain boundary weak link in a-b plane in MgB2 film
Superconducting properties of ultrathin Bi2Sr2CaCu2O{8+x} single crystals
Vortex fluctuations in weak magnetic fields
Growth of epitaxial (001) YBaCuO superconducting thin films on (001)diamond substrate
Superconducting critical current of a single Cu2O4 plane in a Bi2Sr2CaCu2O8+x single crystal
High speed components based on high-Tc superconducting grain boundary junctions
On the feasibility of constructing an imaging array of slot-antennas integrated with SIS mixers
A sub-mm wave quasiparticle receiver for 750 GHz-progress report
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Showing 9 research projects
Multifunktionella gränsytor i komplexa metalloxider för styrbar elektronik
Nanoscale superconducting devices for a closer look at brain activity (NeuroSQUID)
Point-of care Influenza Diagnostics FLU-ID
Electronic and magnetic properties of interfaces in polar metal oxide heterostructure devices
Arrays of Ultrasensitive Cold-Electron Bolometers for High-performance Cosmology Instrument
Droplet Based Microfluidic Platform for Magnetic Bioassays
Electronic and magnetic properties of interfaces in polar metal oxide heterostructure devices
Hybrid MEG-MRI Imaging System (MEGMRI)