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University of Oslo (UiO)

UiO

At UiO two different research group participates in EXCITE, namely, the Department of Biomaterials and the Department of Geosciences.

Facilities

Micro/nano-CT

nanoCT (SkyScan 2211) require small samples in order to reach nanometre resolution (>100 nm). The sample size should be around 1 to 2 mm in diameter. microCT (Skyscan 1172). The X-ray source: 20-190kV, 4-25 W, CCD detectors 8kx8kx3k pixels. microCT (Skyscan1172) Pixel size: 0.7 μm to 25 μm; Variable X-ray energy range from 20-100 kV without a reduction in spot size, which improves contrast for low-density samples (10 W max). 

SEM laboratory – Geosciences UiO

The scanning electron microscope (SEM) at the department is a variable pressure FEG-SEM with dual EDS and high-resolution EBSD and cathodoluminescence (CL) system. It aids researchers and students over a range of research fields: sedimentology, environmental, petroleum, isotope- and structural geology, petrology, mineralogy, and micro-paleontology. The lab provides the following services: 

– High resolution SE and BSE imaging of rock thin sections and 3D samples
– Low vacuum capabilities for non-coated samples
– Semi quantitative chemical analysis and mapping with EDS
– Electron backscatter diffraction (EBSD) analysis of crystal orientation, fully integrated with EDS for simultaneous element analysis
– High-angular resolution electron backscatter diffraction (HR-EBSD)
– Cathodoluminescence imaging and spectral analyses

Expertise

01
X-ray imaging at UiO has had a focus on materials application. It includes a multidisciplinary team of scientists working in close collaboration with national and international partners. The unique advantages of X-ray imaging reside in the combination of high-resolution, the penetrating ability to look inside materials even through complex sample environments. Technically, a range of different contrast mechanisms can be employed (diffraction, scattering and absorption) where the spatial resolution may reach a few nanometres.

Curious to learn more?

Twenty-four European facilities for electron and X-ray microscopy are joining hands. To better understand Earth and planetary materials and to together unveil the secret codes hidden under our feet. Curious? Like to learn more? Interested in gaining access to our EXCITE Imaging facilities? Please enter your email address and be one of the first geoscientists to be informed when we open calls for proposals. Other questions? Contact us here.

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