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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Vabim vas na 21. predavanje iz sklopa "Kolokviji na IJS" v
letu 2007/08, ki bo <strong><b><font color=red face="Times New Roman"><span
style='color:red'>v sredo, 11. junija 2008, ob 13:00 uri </span></font></b></strong><font
color=red><span style='color:red'>v Veliki predavalnici Instituta »Jožef
Stefan«</span></font> na Jamovi cesti 39 v Ljubljani. Napovednik
predavanja najdete tudi na naslovu <a
href="http://www.ijs.si/ijsw/Koledar_prireditev">http://www.ijs.si/ijsw/Koledar_prireditev</a>,
posnetke preteklih predavanj<font color=blue><span style='color:blue'> </span></font>pa
na <a href="http://videolectures.net/kolokviji_ijs">http://videolectures.net/kolokviji_ijs</a>.
<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<br>
<b><span style='font-weight:bold'>dr. Alexandre Gloter <o:p></o:p></span></b></span></font></p>
<p class=MsoNormal><i><font size=3 face="Times New Roman"><span lang=FR
style='font-size:12.0pt;font-style:italic'>CNRS - University of Orsay, Francija<o:p></o:p></span></font></i></p>
<p><b><font size=4 face="Times New Roman"><span lang=EN-US style='font-size:
14.0pt;font-weight:bold'>Presevna elektronska mikroskopija za karakterizacijo
nanomaterialov, kje so njene meje?<o:p></o:p></span></font></b></p>
<p style='text-align:justify;text-justify:inter-ideograph'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>V prvem delu bom na
kratko predstavil princip fokusiranja elektronskega žarka z magnetnim poljem
ter na splošno način delovanja presevnega elektronskega mikroskopa. Predstavil
bom tudi zadnje razvojne dosežke pri razvoju eksperimentalne tehnike, kot je na
primer korekcija sferične aberacije elektronskih leč in vpliv le te na končno
atomsko resolucijo. V nadaljevanju bom pokazal uporabnost presevne elektronske
mikroskopije pri slikanju nanostruktur (od industrijsko zanimivih večplastnih
strukutr do nanodelcev v organski matrici) ter pri reševanju kristalne
strukture ali pa strukture okoli napak (na primer topološko opisovanje napak
funkcionaliziranih nanocevk). Na koncu se bom dotaknil še nekaterih aktualnih
raziskav okdsidacijskih stanj nanodelcev oksidov prehodnih kovin ter
plazmonskih lastnosti kovinskih skupkov. <o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><font
size=3 face="Times New Roman"><span style='font-size:12.0pt'>Predavanje bo v
angleščini.</span></font><font face=Calibri><span style='font-family:Calibri'><br>
<strong><b><font color=red face=Calibri><span style='font-family:Calibri;
color:red'>Lepo vabljeni!</span></font></b></strong></span></font><strong><b><font
face="Times New Roman"><span style='font-weight:normal'><o:p></o:p></span></font></b></strong></p>
<p class=MsoNormal align=center style='text-align:center'><b><font size=5
face=Arial><span style='font-size:20.0pt;font-family:Arial;font-weight:bold'>***<o:p></o:p></span></font></b></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-align:justify;text-justify:inter-ideograph'><font
size=3 face="Times New Roman"><span lang=EN-US style='font-size:12.0pt'>We would
like to invite you to 21<sup>st</sup> lecture of the "Kolokvij na
IJS" in the school year 2007/08. The lecture will be held <b><span
style='font-weight:bold'>on Wednesday, June 11, 2008, at 1 pm</span></b> at <b><span
style='font-weight:bold'>JSI main lecture hall</span></b>, Jamova 39, <st1:place
w:st="on"><st1:City w:st="on">Ljubljana</st1:City></st1:place>. The abstract of
the lecture can be found on website: </span></font><font size=2><span
lang=EN-US style='font-size:10.0pt'><a
href="http://www.ijs.si/ijsw/Koledar_prireditev"><font size=3><span
style='font-size:12.0pt'>http://www.ijs.si/ijsw/Koledar_prireditev</span></font></a></span></font><span
lang=EN-US>, the previous recorded lectures can be found on website: </span><font
size=2><span lang=EN-US style='font-size:10.0pt'><a
href="http://videolectures.net/kolokviji_ijs"><font size=3><span
style='font-size:12.0pt'>http://videolectures.net/kolokviji_ijs</span></font></a></span></font><span
lang=EN-US>.</span><font size=2><span lang=EN-US style='font-size:10.0pt'> </span></font><span
lang=EN-US><o:p></o:p></span></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span lang=EN-US
style='font-size:12.0pt'>********************************************<br>
<b><span style='font-weight:bold'>dr. </span></b></span><b><span
style='font-weight:bold'>Alexandre Gloter <o:p></o:p></span></b></font></p>
<p class=MsoNormal><i><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-style:italic'>CNRS - University of Orsay, France<o:p></o:p></span></font></i></p>
<p class=MsoNormal><b><font size=4 face="Times New Roman"><span
style='font-size:14.0pt;font-weight:bold'><o:p> </o:p></span></font></b></p>
<p class=MsoNormal><b><font size=4 face="Times New Roman"><span lang=EN-US
style='font-size:14.0pt;font-weight:bold'>Transmission electron microscopy for
nanomaterial characterization, how far can we go?<o:p></o:p></span></font></b></p>
<p style='text-align:justify;text-justify:inter-ideograph'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>In a first part, I will briefly
survey how a magnetic field can be used in order to focus an electron beam and
then how a transmission electron microscope works. Recent experimental
developments such as the correction of the spherical aberration of electron
lenses and the resulting atomic resolution will be showed. I will then present
how this techniques are now widely used in the order to solve various
problematics such as the imaging of nanostructures (from the industrial
oriented characterisation of multilayers to the imaging of nanoparticles into
organic matter) or the structural refinement of crystalline or defective
systems (such as bonding at interfaces or the topological description of
defects in functionalised nanotubes). Finally I will discuss how combining
electron spectroscopy and microscopy, physical or chemical properties such as
the oxidation state of transition metal oxide nanoparticles or the plasmonic
properties of metallic clusters can be investigated.</span></font><font size=4><span
lang=EN-US style='font-size:14.0pt'><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify;text-justify:inter-ideograph'><font
size=3 face="Times New Roman"><span lang=EN-US style='font-size:12.0pt'>The
lecture will be given in English.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span lang=EN-US
style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><b><font size=4 face="Times New Roman"><span lang=EN-US
style='font-size:14.0pt;font-weight:bold'>We look forward to meeting you at the
“Kolokvij na IJS”!<o:p></o:p></span></font></b></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
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