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<span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><b>Open PhD position at department of Materials and Environmental Chemistry, Stockholm University.</b></span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><i>Structural studies of transition metal oxides and porous materials by total scattering</i></span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><i><br>
</i></span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><i>using synchrotron X-ray and neutron powder diffraction</i></span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; ">Project leader: Gunnar Svensson (</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><a class="moz-txt-link-abbreviated" href="mailto:gunnar.svensson@mmk.su.se">gunnar.svensson@mmk.su.se</a></span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; ">)</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; ">Subject: Inorganic chemistry</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
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</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><b>For more information please visit: </b></span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><a class="moz-txt-link-freetext" href="http://www.mmk.su.se/page.php?pid=896">http://www.mmk.su.se/page.php?pid=896</a></span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
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</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><b>Project description</b></span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; ">Total scattering or pair distribution function (PDF) analysis utilises not only Bragg scattering</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; ">from a material to obtain the average long-range structure, but also the diffuse scattering to</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; ">study the local, or short-range structure in powder diffraction. The local short-range ordering</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; ">often affects the properties of a material. One such example is perovskite-related transition</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; ">metal oxides that have a wide range of applications from electrically tunable microwave</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; ">devices to electrodes in fuel cells. Another example is porous metal-organic frameworks, a</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; ">new class of materials with extraordinarily high surface areas (> 2 000m2/g), high porosity</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; ">and adjustable chemical functionality, which are important for gas separation and catalysis.</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; ">The present project will be focused on determining disorder and local structure in solids by</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; ">analysis of total scattering, i.e. by the PDF, and acquiring competence in this field. This PhD</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; ">project is a part of the “Röntgen-Ångström Cluster” framework program (</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><a class="moz-txt-link-freetext" href="http://www.rontgenangstrom/">http://www.rontgenangstrom</a></span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; ">.</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; ">eu/) held jointly by Uppsala and Stockholm University to build a consortium C3 for</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; ">crystal chemistry. The general aim of the framework program is to increase the use and</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; ">competence of synchrotron- and neutron-based diffraction for technologically important</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; ">materials. The candidate will collaborate with several materials synthesis groups at Stockholm</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; ">University and Uppsala University. Powder diffraction data will foremost be collected by</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; ">5</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; ">synchrotron powder diffraction, for example at PETRA III in Hamburg, and when needed</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; ">complemented by neutron powder diffraction and in-house diffractometry. The experiments</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; ">will cover measurements at ambient conditions, high and low temperatures, and in special in</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; ">situ cells, e.g. to investigate the crystal growth and structure transformation of metal-organic</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; ">frameworks or the structural response of materials to magnetic/electrical fields. The</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; ">successful candidate should have a strong collaborative and communication skill and be selfmotivated.</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; ">Good knowledge on computers is desired.</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Calibri; font-size: medium; ">Last day of application: 20 nov 2012.</span></div>
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