Electron Microscopy

University of Salzburg

Salzburg | Website

Core facility (CF)

Short Description

The core facility for electron microscopy is equipped with a Zeiss Ultra Plus Field Emission-Scanning Electron Microscope (FE-SEM), a JEOL JEM-F200 Transmission Electron Microscope (TEM) with a Cold-FEG electron source and the necessary instruments for the sample preparation such as the Precision Ion Polishing System (PIPS II) from Gatan.

The FE-SEM can image inorganic as well as organic sample structures with a high resolution. This microscope is unique due to the large quantity of analysis methods such as backscatter- and secondary electron imaging, energy dispersive X-ray spectroscopy, Electron Back Scattered Diffraction, cathoduluminescence (CL), micro X-ray fluorescence, Electron-Beam-Induced Current-Method and the possibility to perform in-situ electrical characterization of conducting samples in the micrometer range using micromanipulators.

The TEM is equipped with a Cold-FEG electron source (energy dispersion of 0.3 eV). With this TEM it is possible to visualize inorganic as well as organic sample structures down to the sub-nanometer regime (resolution limit TEM: 0.08 nm & STEM: 0.15 nm). The TEM can be operated at accelerating voltages of 60 kV, 80 kV and 200 kV and is therefore also suitable for biological and beam sensitive samples. The microscope stands out due to the high brightness of the electron source, the large acquisition angle of the windowless EDX detector (just below 1 sr), a backscatter and secondary electron detector (BEI) and the possibility to acquire high resolution images with element contrast with the high angle annular dark field (HAADF) detector.

The PIPS II is being used in sample preparation for transmission electron microscopy. The PIPS II from GATAN is able to thin conventional and cross-section samples with Ar-ions with an accelerating voltage ranging from 0.1 kV to 8 kV down to a thickness of 10 nm. A built-in high resolution digital optical microscope allows a site specific sample preparation. The sample can be cooled with liquid nitrogen to reduce heat induced artefacts in the sample during the ion bombardment. Furthermore, focused ion beam samples (FIB) can be thinned to the desired thickness.

Contact Person

Prof. Dr. Oliver Diwald

Research Services

SEM: Imaging of surfaces and cross-sections; elemental analysis; cathodoluminescence; characterization of electron beam induced current (EBIC)
TEM: high resolution imaging of solids; nano materials and aerogels (TEM & STEM); elemental analysis (EDX); structural analysis (SAED); imaging of surfaces (BEI); elemental contrast imaging (HAADF)
Sample preparation for SEM and TEM

Methods & Expertise for Research Infrastructure

The two electron microscopes (SEM & TEM) are being used for high resolution characterization of chemical and physical properties of solids and nano materials.

Typical applications are
• Investigation of lattice defects and crack formation in Mg- and AlTi alloys
• Characterization von Aerogels
• Characterization of MgO, TiO2, ZnO nano particles

Phase Identification
• Characterization of the crystal orientation in a structure
• High resolution characterization of grain boundaries, morphology and higher dimensional defects
• Investigation of the local heterogeneity and chemical differences in materials

Preparation of various sample materials for the transmissions electron microscopy
• Conventional samples (metals, ceramics, semiconductors, polymers)
• Cross-section samples
• Post thinning of FIB samples
• Removing artefacts such as amorphous regions and oxide layers

Equipment

Prof. Dr. Oliver Diwald
Fachbereich Chemie und Physik der Materialien
0043 662 8044 6224
oliver.diwald@sbg.ac.at
https://www.uni-salzburg.at/index.php?id=205087&L=1
Please contact us via science.plus@sbg.ac.at, or contact the responsible person for this section, mentioned in the contact field
University of Applied Sciences Landshut
University of Salzburg, Departement of Biosciences (A. Duschl)
AB Mikroelektronik
AMAG
Brückner
Dentalwerk Bürmoos
OMV
Bosch
Sony
AIT Ranshofen
AB 97 Technologie und Forschungsplattform "Hybrid Materials": TFP-HyMat
2016-2018
Musso M., Hüsing N.
Interreg Österreich-Bayern 2014-2020
http://www.interreg-bayaut.net/projekte/liste-der-vorhaben/projektzusammenfassung-tfp-hymat/

Synthese, Charakterisierung und technologische Fertigungsansätze für den Leichtbau 'n2m' (nano-to-macro)
2015-2018
Hüsing N., Diwald O., Musso M., Bourret G., Redhammer G., Huber O., Saage H.
Interreg Österreich-Bayern 2014- 2020
http://www.interreg-bayaut.net/projekte/liste-der-vorhaben/projektzusammenfassung-ab29/

Hybrid Supercaps
2015-2018
Hüsing N., Paris O.
FFG Energieforschung/ 848808

Nature, reactivity and functionality of hydrogen-derived electron centers in semiconducting oxides
2015-2019
Berger, Th.
https://www.uni-salzburg.at/index.php?id=204780&L=1

Post-collisional plutonism in the south-western Bohemian massif
2015-2017
Finger, F.
FWF I1993-N29

Intergranulare Bereiche in nanokristallinen Keramiken
2017-2020
Diwald, O.
FWF

Vapor phase synthesized MgO nanocubes as seed structures in solution
2015-2016
Diwald, O.
DFG
http://gepris.dfg.de/gepris/projekt/215441693

Deformation of hierarchical and anisotropic porous solids by fluid adsorption
2014-2017
Hüsing N., Paris O. (Montanuniversität Leoben), Reichenauer G. (ZAE Bayern)
FWF, DFG

Oxidische Nanostrukturen
2013-2016
Diwald O.
DFG
http://gepris.dfg.de/gepris/projekt/238350812

Novel Pt-poor catalysts for the electrocatalytic O2 reduction based on modified, nanostructured metal oxides
2013-2016
Hüsing N., Behm R.J.
FWF/DFG

Formation and destruction of monazite in metamorphic rocks
Laufzeit 2010-2015
Finger, F.
FWF 22480-N21

Post-collisional plutonism in the south-western Bohemian massif
Laufzeit 2015-2017
Finger, F.
FWF I1993-N29
Information Depth in Backscattered Electron Microscopy of Nanoparticles Within a Solid Matrix
2018
Johannes A Österreicher, Florian Grabner, Andreas Schiffl, Sabine Schwarz, Gilles R, Bourret
Materials Characterization
https://www.sciencedirect.com/science/article/pii/S1044580317322295
DOI: https://doi.org/10.1016/j.matchar.2018.01.049

Secondary precipitation during homogenization of Al-Mg-Si alloys: Influence on high temperature flow stress
2017
Österreicher J. A., Kumar K., Schiffl A., Schwarz S., Bourret G. R.
Materials Science and Engineering: A
https://www.sciencedirect.com/science/article/pii/S0921509317300990
DOI: https://doi.org/10.1016/j.msea.2017.01.074

Confined Etching within 2D and 3D Colloidal Crystals for Tunable Nanostructured Templates: Local Environment Matters
2017
J. Fedja, R. Oberreiter, M. Salihovic, M. Elsaesser, G. R. Bourret
ACS Appl. Mater. & Interf.
http://pubs.acs.org/doi/abs/10.1021/acsami.6b14226
DOI: 10.1021/acsami.6b14226

Investigation of Mass-Produced Substrates for Reproducible Surface-Enhanced Raman Scattering Measurements over Large Areas
2017
Andreas Reyer, Adrian Prinz, Stefano Giancristofaro, Johannes Schneider, Durval Bertoldo Menezes, Gregor Zickler, Gilles R. Bourret, Maurizio E. Musso
ACS Appl. Mater. & Interf.
https://pubs.acs.org/doi/abs/10.1021/acsami.7b06002
DOI: 10.1021/acsami.7b06002

Flexible Organofunctional Aerogels
2017
C.R. Ehgartner, S. Grandl, A. Feinle, N. Hüsing
Dalton Trans. 2017, 46, 8809-8817
DOI:10.1039/C7DT00558J

Setting Directions: Anisotropy in Hierarchically Organized Porous Silica
2017
F. Putz, R. Morak, M.S. Elsässer, C. Balzer, S. Braxmeier, J. Bernardi, O. Paris, G. Reichenauer, N. Hüsing
Chem. Mater., 2017, 29, 7969-7975
DOI: 10.1021/acs.chemmater.7b03032

Monolithic porous magnesium silicide
2017
N. Hayati-Roodbari, M.S. Elsaesser, J. Bernardi, N. Huesing
Dalton Trans. 2017, 46, 8855-8860
DOI:10.1039/c7dt00571g

Synthesis and electrocatalytic performance of spherical core-shell tantalum (oxy)nitride@nitrided carbon composites in the oxygen reduction reaction
2016
M. Wassner, M. Eckardt, C. Gebauer, G. R. Bourret, N. Hüsing, R. J. Behm
Electrochimica Acta, 2016, 227, 367-381
DOI:10.1016/j.electacta.2016.12.145

Stability and Local Environment of Iron in Vapor Phase Grown MgO Nanocrystals
2017
Niedermaier M., Dolcet P., Gheisi A.R., (...), Bernardi J., Diwald O.
Journal of Physical Chemistry C; 121(43), pp. 24292-24301

Iron Precursor Decomposition in the Magnesium Combustion Flame: A New Approach for the Synthesis of Particulate Metal Oxide Nanocomposites
2017
Gheisi A.R., Niedermaier M., Tippelt G., (...), Bernardi J., Diwald O.
Particle and Particle Systems Characterization; 34(10),1700109

Enzyme adsorption-induced activity changes: A quantitative study on TiO2model agglomerates
2017
Márquez A., Kocsis K., Zickler G., (...), Berger T., Diwald O.
Journal of Nanobiotechnology; 15(1),55

Hydroxylation Induced Alignment of Metal Oxide Nanocubes
2017
Thomele D., Bourret G.R., Bernardi J., Bockstedte M., Diwald O.
Angewandte Chemie - International Edition; 56(5), pp. 1407-1410

Porphyrin Metalation at MgO Surfaces: A Spectroscopic and Quantum Mechanical Study on Complementary Model Systems
2016
Schneider J., Franke M., Gurrath M., Röckert M., Berger T., Bernardi J., Meyer B., Steinrück H.-P., Lytken O., Diwald O.
Chemistry - A European Journal, 22, 1744-1749
http://onlinelibrary.wiley.com/doi/10.1002/chem.201503661/abstract
DOI: 10.1002/chem.201503661

Defects in Porous Networks of WO3 Particle Aggregates
2016
A. Márquez, M. J. Rodríguez-Pérez, J. A. Anta, G. Rodríguez-Gattorno, G. R. Bourret, G. Oskam and T. Berger
ChemElectroChem, 3, 658-667
http://onlinelibrary.wiley.com/doi/10.1002/celc.201500435/full
DOI: 10.1002/celc.201500435

Sample preparation methods for scanning electron microscopy of homogenized Al-Mg-Si billets: A comparative study
2016
Johannes Albert Österreicher, Manoj Kumar, Andreas Schiffl, Sabine Schwarz, Daniel Hillebrand, Gilles Remi Bourret
Materials Characterization 122, 63–69
http://www.sciencedirect.com/science/article/pii/S1044580316306210
DOI: http://dx.doi.org/10.1016/j.matchar.2016.10.020

Modification of Charge Trapping at Particle/Particle Interfaces by Electrochemical Hydrogen Doping of Nanocrystalline TiO2
2016
Juan M. Jiménez, Gilles R. Bourret, Thomas Berger and Keith P. McKenna
J. Am. Chem. Soc. 138, 15956–15964
http://pubs.acs.org/doi/abs/10.1021/jacs.6b08636
DOI: 10.1021/jacs.6b08636

“Satellite monazites” in polymetamorphic basement rocks of the Alps: their origin and petrological significance
2016
Finger F., Krenn E., Schulz B., Harlov D., Schiller D.
American Mineralogist

Defect and Surface Area Control in Hydrothermally Synthesized LiMn0.8Fe0.2PO4 Using a Phosphate Based Structure Directing Agent
2015
Schoiber J., Tippelt G., Redhammer G.J., Yada C., Dolotko O., Berger R.J.F., Husing N.
CRYSTAL GROWTH & DESIGN
DOI: 10.1021/acs.cgd.5b00324

Ordered Meso-/Macroporous Silica and Titania Films by Breath Figure Templating in Combination with Non-Hydrolytic Sol-Gel Processing
2015
Feinle A., Akbarzadeh J., Peterlik H., Hüsing N.
Microporous and Mesoporous Materials
DOI:10.1016/j.micromeso.2015.06.043

A Two-Step Synthesis for Li2CoPO4F as High-Voltage Cathode Material
2015
Schoiber J., Berger R.J.F., Yada C., Miki H., Hüsing N.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
DOI: 10.1149/2.0331514jes

Self-supporting hierarchically organized silicon networks via magnesiothermic reduction
2016
Waitzinger M., Elsässer M.S., Berger R.J.F., Akbarzadeh J., Peterlik H., Hüsing N.
MONATSHEFTE FÜR CHEMIE
DOI:10.1007/s00706-015-1611-8

Sol-gel synthesis of monolithic materials with hierarchical porosity
2016
Feinle A., Elsässer M.E., Hüsing N.
Chem. Soc. Rev.
DOI:10.1039/c5cs00710k

Thin water films and magnesium hydroxide fiber growth
2015
Gheisi A., Sternig A., Redhammer G.J., Diwald O.
RSC ADVANCES
DOI: 10.1039/c5ra18202f

Particle Networks from Powder Mixtures: Generation of TiO2-SnO2 Heterojunctions via Surface Charge-Induced Heteroaggregation
2013
Siedl, N., Baumann S.O., Elser M.J., Diwald, O.
JOURNAL OF PHYSICAL CHEMISTRY C
DOI: 10.1021/jp307737s

Microcrystals of Th-rich monazite (La) with a negative Ce anomaly in metadiorite and their role for documenting Cretaceous metamorphism in the Slavonian Mountains (Croatia).
2013
Starijaš Mayer B., Krenn E., Finger F.
Mineralogy and Petrology

A Two-Step Synthesis for Li2CoPO4F as High-Voltage Cathode Material
2015
Schoiber, J.; Berger, R.J.F.; Yada, C.; Miki, H.; Husing, N.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
DOI: 10.1149/2.0331514jes

Self-supporting hierarchically organized silicon networks via magnesiothermic reduction
2016
Waitzinger, M.; Elsässer, M.S.; Berger, R.J.F.; Akbarzadeh, J.; Peterlik, H.; Hüsing, N.
MONATSHEFTE FÜR CHEMIE
DOI:10.1007/s00706-015-1611-8

Sol-gel synthesis of monolithic materials with hierarchical porosity
2016
Feinle, A.; Elsässer, M.E.; Hüsing, N.
Chem. Soc. Rev.
DOI:10.1039/c5cs00710k

Thin water films and magnesium hydroxide fiber growth
2015
Gheisi, A; Sternig, A; Redhammer, GJ; Diwald, O;
RSC ADVANCES
DOI: 10.1039/c5ra18202f

Particle Networks from Powder Mixtures: Generation of TiO2-SnO2 Heterojunctions via Surface Charge-Induced Heteroaggregation
2013
Siedl, N; Baumann, SO; Elser, MJ; Diwald, O ;
JOURNAL OF PHYSICAL CHEMISTRY C
DOI: 10.1021/jp307737s

Microcrystals of Th-rich monazite (La) with a negative Ce anomaly in metadiorite and their role for documenting Cretaceous metamorphism in the Slavonian Mountains (Croatia).
2013
Starijaš Mayer B., Krenn E., Finger F
Mineralogy and Petrology