ORGANISATION/COMPANYNational Center for Scientific Research (CNRS) - IPANEMA / USR 3461
RESEARCH FIELDPhysics › Applied physics
RESEARCHER PROFILEFirst Stage Researcher (R1)
APPLICATION DEADLINE20/07/2017 19:00 - Europe/Brussels
LOCATIONFrance › Saint Aubin
TYPE OF CONTRACTTemporary
HOURS PER WEEK38,50
OFFER STARTING DATE01/09/2017
Recent works have demonstrated the information potential of spectral imaging applied to complex heterogeneous ancient materials at various length scales from the centimetre to the nanometre [D. Thurrowgood, Sci. Rep., 2016 ; C. Ryan, J. Phys., 2014]. This post-doctoral project will allow deepening the relationship between structure, microenvironment, colour, and long-term behaviour available within the data collected in spectral imaging. The project will focus on archaeological and historical coloured stratified systems (ceramics). Further than mere chemical identification, we hypothesise that a better multiscale description of compound distribution, such as pigments and trace compounds will provide a clearer understanding of past supply of raw materials, manufacturing techniques, and alteration mechanisms [F. Meirer, J. Anal. At. Spectrom., 2014]. Data treatment will particularly be applied to high-definition fluorescence and absorption X-ray images, as well as electron microscopy analyses. Preliminarily, these approaches will be tested on simpler corrosion phases from archaeological copper-based artefacts, for which UV/visible photoluminescence imaging has recently revealed fossilized morphologies [M. Thoury et al., Nat. Comm., 2016]. High-contrast images were collected that show an heterogeneous distribution in crystal defect densities which morphology will be used to implement first developments of the proposed strategy at high spatial dynamics. In parallel to direct imagery indicating the distribution in space, positional correlation of these various signals will be performed. More specifically, this correlative analysis will be developed in the Fourier space in order to probe and filter the distinct length scales of organization.
This postdoctoral project will be carried out at IPANEMA (CNRS, MC, UVSQ) and at the Louvre museum.
The postdoctoral researcher will be member of a multidisciplinary team, including PhD students, interns and young researchers he/she could help supervise.
For further information about this post, please contact Dr Loïc Bertrand, head of IPANEMA firstname.lastname@example.org. Queries regarding job application procedures should be directed to Regina Oprandi, email: email@example.com
Please send your application (cover letter, CV and list of publications) by email to firstname.lastname@example.org stating the job vacancy name, as early as possible.
Short-term scientific contract
Duration: 12 months
Expected starting date: asap (1/09 or 1/10)
Remuneration: between 31171,88€ and 43381,32€ gross annual salary (according to previous experience)
Required education level: PhD
Required work experience: none
REQUIRED EDUCATION LEVELPhysics: PhD or equivalent
REQUIRED LANGUAGESENGLISH: Excellent
A PhD in materials sciences, physics, or a relevant discipline is required.
- Previous experience of material characterisation with X-rays
- Demonstrable knowledge or experience in micro-computed tomography or XRF/XRD Imaging
- Experience of working with heterogeneous and multi-scalar solid samples
- Experience in signal processing and data analysis using scientific software (R, Matlab, python…) to extract relevant information from sample studies
- Working in interaction with diverse and pluridisciplinary teams
- Ability to share information to different publics on appropriate medium
- Mastering written and oral communication techniques
- Mastering the use of scientific databases
- Autonomy, initiative and adaptability
- High level in English.
- Another language (in particular French) would be desirable
EURAXESS offer ID: 231227
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