Surface Science

Surface Science

analysis of thin films & surfaces

Surfaces of materials or thin films hold a complete micro cosmos of physical properties that are hot topics of today's research. The type of measurements to analyze the surface structure of magnetic materials, superconductors, graphene and 2D materials range from atomic force microscopy (AFM) to magnetic force microscopy (MFM) and to transport measurements. In addition, intrinsic properties and electronic structure such as vortex formation, the properties of topological insulators, multiferroics, ferroelectrics and domain walls are analyzed using low temperature Raman and electrical transport techniques as well as low temperature scanning microwave impedance microscopy (LT-sMIM).

Research Fields

  • magnetic material properties
  • magnetic imaging
  • superconductors & vortex imaging
  • electronic structure of sample surfaces
  • surface polariton mapping
  • graphene & 2D materials
  • superconductor and semiconductor  physics
  • topological insulators
  • stress / strain mapping
  • ferroelectrics, multiferroics & domain walls

Application Snippets

Constituents of racetrack memory devices attoMFM

Constituents of racetrack memory devices
Zooming into heterochiral magnets attoMFM

Zooming into heterochiral magnets
Skyrmions induced by strain gradient attoMFM attoDRY1000

Skyrmions induced by strain gradient
Ferroelectrically induced magnetic spin crystal attoMFM & attoLIQUID2000

Ferroelectrically induced magnetic spin crystal
3D micro structure sample positioning in 4 dimensions in a µ RHEED SEM system ECR3030 ECSx3030

3D micro-structure sample positioning in 4 dimensions in a µ-RHEED/SEM system
Tomographic magnetic imaging of Landau levels and twist angle disorder in magic angle graphene LT POS ASC500

Tomographic magnetic imaging of Landau levels and twist-angle disorder in magic-angle graphene
Revealing physical origin of electronic phase separation in complex oxides attoMFM attoDRY1000

Revealing physical origin of electronic phase separation in complex oxides
Combined Laser Beam Epitaxy and Low Temperature STM using ANPx321 Positioners ANPx321

Combined Laser Beam Epitaxy and Low-Temperature STM using ANPx321 Positioners
Resonance Frequency of an ANSxy50 made of titanium Nanopositioner ANSxy50

Resonance Frequency of an ANSxy50 made of titanium
Near Field Scanning Microwave Microscope at 30mK ANPxyz100 ANPz51 for mK

Near-Field Scanning Microwave Microscope at 30mK
Discovery of Intermediate State in the Metal Insulator Transition atomic force microscope attoAFM

Discovery of Intermediate State in the Metal-Insulator Transition
Ultimate Thermal Stability and Ultra Low Drift CSFM

Ultimate Thermal Stability and Ultra-Low Drift
A new way to modulate exciton complex emissions of TMDs closed cycle cryostat attoDRY1000 cryogenic confocal microscopy attoCFM atto3DR oder attoTMS

A new way to modulate exciton-complex emissions of TMDs
Measurements of field driven transformation of a domain pattern closed cycle cryostat attoDRY1000 atomic force microscope attoAFM atto3DR oder attoTMS

Measurements of field-driven transformation of a domain pattern
Quantized Conduction on Domain Walls of a Magnetic Topological Insulator attoLIQUID3000 attoAFM

Quantized Conduction on Domain Walls of a Magnetic Topological Insulator
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Quasi-2D Magnon identified via Magneto-Raman Spectroscopy
Local Conductivity Mapping and PFM on BFO Thin Film cryogenic atomic force microscope attoAFM for ct AFM

Local Conductivity Mapping and PFM on BFO Thin Film
Low Temperature Piezoresponse Force Microscopy on BiFeO cryogenic atomic force microscope attoAFM for PFM

Low Temperature Piezoresponse Force Microscopy on BiFeO
Piezo Response Force Measurements on Ferroic Oxide Films made with the cryogenic atomic force microscope

Piezo-Response Force Measurements on Ferroic Oxide Films
Dynamic Visualization of Nanoscale Vortex Motion using attoSTM in an attoLiquid3000 made with AFM STM for mK application

Dynamic Visualization of Nanoscale Vortex Motion using attoSTM in an attoLiquid3000
Low Temperature Surface Piezoelectricity in SrTiO3 using Piezo Response Force Microscopy made with the low temperature atomic force microscope

Low Temperature Surface Piezoelectricity in SrTiO3 using Piezo-Response Force Microscopy
Imaging fractional incompressible stripes in integer quantum Hall effect made with cryogenic scanning probe microscope attoAFM III in attoLIQUID300 for mK application

Imaging fractional incompressible stripes in integer quantum Hall effect
Scanning Hall Probe Microscopy at 300 mK with ANP positioners made with mK Nanopositioners

Scanning Hall Probe Microscopy at 300 mK with ANP positioners
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mK STM Image with Atomic Resolution

Piezo Controlled Exfoliation of Graphene made with the cryogenic nanopositioner ANPz101 HV

Piezo-Controlled Exfoliation of Graphene
HF SPM using attocube nano positioners in magnetic fields above 30 T cryogenic nanopositioner ANPz30

HF-SPM using attocube nano-positioners in magnetic fields above 30 T
Conductive Tip AFM Measurements on Ruthenium ct cryogenic atomic force microscope attoAFM

Conductive-Tip AFM Measurements on Ruthenium
Scanning Gate Microscopy at 300 mK attoLIQUID3000 atomic force microscope attoAFM III

Scanning Gate Microscopy at 300 mK
KPFM of Au on Pt Pattern atomic force microscope attoAFM for KPFM

KPFM of Au-on-Pt Pattern
attoAFM CFM in Toploading Insert attoAFM CFM oder CSFM mK

attoAFM/CFM in Toploading Insert
Tuning Fork based AFM measurements at cryogenic temperatures made with cryogenic scanning probe microscope attoAFM III and attoLIQUID

Tuning Fork based AFM measurements at cryogenic temperatures
Scanning Tunneling Spectroscopy and Vortex Imaging on NbSe2 with attoAFM III STM I at 315 mK made with attoLIQUID3000 and cryogenic scanning probe microscope attoAFM III

Scanning Tunneling Spectroscopy and Vortex Imaging on NbSe2 with attoAFM III / STM I at 315 mK

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