No. |
Title
|
Content Summary |
Download |
| 30. |
Piezo-Response Force Measurements on Ferroic Oxide Films |
PFM data have been taken on a layered heterostructure (150 nm BiFeO3-Mn
on top of 35 nm of SrRuO3 on a SrTiO3 (001) substrate) recorded
at 82 K with a standard attoAFM I. |
700 KB |
| 29. |
Differential conductance measurements on Pd break-junctions |
In this application, G. D. Scott and D. Natelson use an attocube
4-point probe station, contained in a 4He cryostat, to perform
tunneling spectroscopy measurements in metallic nanogap devices. |
245 KB |
| 28. |
Scanning Hall Probe Microscopy using attocube systems Positioners down to 300 mK |
In this note, we report on a self-built SHPM capable of working at temperatures as low as 300 mK and magnetic fields of up to 10 T, while still having sub-micron lateral spatial resolution. |
419 KB |
| 27. |
Magnetic Resonance Imaging of Nanoscale Tobacco
Mosaic Virus at 300 mK |
attocube positioners played a crucial role when coarse positioning the
sample over the nanoscale magnetic tip inside a dilution refrigerator at a temperature of 300 mK. |
245 KB |
| 26. |
MFM vortex imaging on cuprates and iron pnictides inside
the Quantum Design PPMS. |
attocube’s ultra-compact
Magnetic Force Microscope attoMFM Ixs was
used inside the QD PPMS® to image vortices in different
high-Tc superconductors at low magnetic fields. |
873 KB |
| 25. |
Scanning Tunneling Spectroscopy and Vortex Imaging on NbSe2
with attoAFM III / STM I at 315 mK. |
In a series of experiments STS as well as vortex imaging
measurements on NbSe2 have been performed at a temperature
of only 315 mK. The tests show excellent stability of the tuning
fork based attoAFM / STM microscope setup as well as the possibility
to apply stable voltages in the micro-Volt range. |
245 KB |
| 24. |
Low Temperature Raman Measurements on Layers of Graphene
using the attoCFM I. |
Raman measurements on layers of Graphene have been performed
and the modified attocube CFM I setup enabled the differentiation
between single and double layer sheets of Graphene. |
419 KB |
| 23. |
Dynamic nuclear polarisation in GaAs/AlGaAs dots. |
In this note, nuclear spin effects are studied in individual
quantum dots
pumped by circularly polarised excitation using an attoCFM
I. The effect of nuclear spin polarisation on the electron
spin can
be described in terms of effective nuclear magnetic field
(also referred to as
Overhauser field). |
245 KB |
| 22. |
MFM Measurements on a Hard Disk sample using attocube‘s
attoAFM I. |
Within this application note it is shown that using
the attoAFM I magnetic force
measurements can be performed and are also highly stable. Commercially
available MFM cantilevers are easily integrated and the flexible
scan
controller ASC500 allows the acquisition of all relevant data. |
154 KB |
| 21. |
Optical absorption on a single semiconductor
quantum dot with
a magnetic field applied in Voigt geometry |
The presented confocal setup in Voigt geometry
allows studying the anisotropic magnetic
properties of single self-assembled quantum dots with high
degree
of precision. The resonant optical
pumping
offers additionally a spin shelving scheme for the resident
electron in the QD. |
216 KB |
20. |
Tuning Fork based AFM Measurements of uncapped,
stacked InAs Quantum Dots in a GaAs matrix |
The sample under investigation features
stacked, uncapped InAs quantum dots in a GaAs matrix and has
been characterized via our Tuning Fork based AFM. For instance,
in the error image one can see atomic steps in the surrounding
InAs. |
121 KB |
19. |
Cantilever based Low Temperature Scanning Near-Field Optical
Microscope |
We present the latest results recorded
with our attoSNOM I. This system combines the advantages
of robust, mass-produced cantilever based SNOM tips with
the ease of use of the attoAFMI. The consequential ease of
probe handling is unique in SNOM technology.
|
159 KB |
18. |
Atomic Force Microscopy in combination
with a
Pulse Tube Cooler |
The application note discusses the combination
of the ultra stable attoAFM I with a cryogen free pulse tube
cooler
achieving
ultra
high
resolution imaging of nm-features without the need for liquid
Helium. |
181 KB |
17. |
AFM / STM imaging at 300 mK and 9 Tesla |
This application note represents the latest
results recorded with the attoAFM III and attoSTM I microscopic
inserts at 300 mK and high magnetic fields.
|
227 KB |
16. |
Spatial mapping of carbon nanotubes using
a customized
attoCFM I |
The highly modular and flexible cryogenic
confocal microscope attoCFM I features a fully adjustable excitation
and collection port enabling easyhandling and filtering of
the excitation and collection signal for Ramanspectroscopy.
|
163 KB |
15. |
attoAFM I for High Resolution Imaging of
Quantum Dots & Rings |
The note shows quantum dots of 16 - 20 nm in diameter and
a height of 0.8 ± 0.1 nm recorded in contact mode under
ambient conditions.
|
113 KB |
14. |
attoAFM I for High Resolution Imaging of
Gold Particles |
AFM images recorded in contact mode of
gold particles (20 nm in diameter) attached to a Silicon wafer
via thiosiolane molecules.
|
140 KB |
13. |
Confocal Microscopy in Combination with a Solid Immersion
Lense |
In the confocal setup, the solid immersion lens is applied
directly on the surface of the investigated sample, which was
a SiO2 on Si chess board with two microns in period. The measured
resolution was about 160 nm.
|
88 KB |
12. |
attoAFM I for High Resolution Imaging |
The attoAFM including the high precision
piezo-electric scanner ANSxy100 was used to record the topography
of a gold grating with 1 micron period and 10 nm height.
|
155 KB |
11. |
attoCFM II for Photoluminescence Measurements on Semiconductor
Quantum Dots |
Ground-breaking photoluminescence measurements on semiconductor
quantum dots, a model system which is often called and related
to as artificial atoms.
|
158KB |
10. |
First 4 K Closed Cycle Cryostat Combined
with Confocal Microscopy |
The confocal microscope attoCFM II was
used in conjunction with a
low-vibration pulse tube cryostat.
|
161 KB |
9. |
Topography and Force Imaging |
Topography measurement of a chess board with 2 microns in
period.
|
134 KB |
8. |
High Optical Resolution Imaging |
Improved tip performance for Scanning Near-Field
Optical Microscopy by the attachment of a single gold nano-particle.
|
156 KB |
7. |
Optical Inspection of Waveguides |
Method, that brings the key information when investigating
optical waveguides in telecom applications.
|
149 KB |
6. |
Topography and Force Images |
The fi ber based low coherence system allows
characterizing the tip oscillation modes and amplitudes on
the one hand, and, on the other hand, performing topographical
measurements with a high precision.
|
151 KB |
5. |
Contact - Non-Contact Mode |
Contact and non-contact mode images of a chromium-on-glass
grating with one micron of period.
|
140 KB |
4. |
Fiber Quality Control - Fluorescence Imaging |
The measurement of the fluorescent light
in the core of the optical fiber provides information on the
doping elements location and spatial distribution inside the
core of the fiber.
|
123 KB |
3. |
3D - Imaging with attoCFM II |
Confocal picture of a tweezers structure; the tweezers are
freely suspended. The size of the image is 30x30 microns recorded
in reflection mode.
|
88 KB |
| 2. |
Spectroscopy on Quantum Dots |
Investigation of a single
quantum dot for months at a time
without drifting out of focus. |
92 KB |
1. |
attoCFM I for Surface Quality Inspection |
High resolution defect analysis
and topography profiles.
|
94 KB |
