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COLOQUIOS DEL DEPARTAMENTO DE
FÍSICA<BR>
FCEyN -
UBA<BR><BR>
Charla, café
y galletitas<BR> En
el Aula Federman, 1er piso Pabellón
I.<BR>
Ciudad Universitaria</FONT>
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El próximo jueves 22 de noviembre a las 14 hs<FONT
face=Arial size=2> </FONT></FONT></FONT></DIV>
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<DIV><FONT face=Arial size=2><FONT face="Times New Roman"
size=3> <STRONG><FONT
size=5>COLOQUIO NOBEL</FONT></STRONG></FONT></FONT></DIV>
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<DIV><SPAN
style="FONT-SIZE: 24pt; FONT-FAMILY: Verdana; mso-bidi-font-size: 12.0pt; mso-bidi-font-weight: bold"><SPAN
class=MquinadeescribirHTML2><SPAN lang=ES-AR
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><FONT face="Times New Roman"><FONT
size=5> </FONT><SPAN
style="FONT-SIZE: 26pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-ansi-language: ES; mso-fareast-font-family: 'Times New Roman'; mso-fareast-language: ES; mso-bidi-language: AR-SA"><SPAN
lang=ES-AR
style="FONT-SIZE: 26pt; COLOR: black; FONT-FAMILY: Verdana; mso-bidi-font-size: 12.0pt; mso-ansi-language: ES-AR; mso-fareast-font-family: 'Times New Roman'; mso-fareast-language: ES; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'"><STRONG><SPAN
style="FONT-SIZE: 22pt; COLOR: black; FONT-FAMILY: Verdana; mso-bidi-font-size: 12.0pt; mso-ansi-language: ES; mso-fareast-font-family: 'Times New Roman'; mso-fareast-language: ES; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'"><FONT
size=5><B><SPAN
style="FONT-SIZE: 24pt; FONT-FAMILY: Verdana; mso-bidi-font-size: 12.0pt"><FONT
face="Times New Roman">Efecto de magnetorresistencia
gigante</FONT></SPAN></B></FONT></SPAN></STRONG></SPAN></SPAN></FONT></SPAN></SPAN></SPAN></DIV>
<DIV><SPAN
style="FONT-SIZE: 24pt; FONT-FAMILY: Verdana; mso-bidi-font-size: 12.0pt; mso-bidi-font-weight: bold"><SPAN
class=MquinadeescribirHTML2><SPAN lang=ES-AR
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><FONT face="Times New Roman"><SPAN
style="FONT-SIZE: 26pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-ansi-language: ES; mso-fareast-font-family: 'Times New Roman'; mso-fareast-language: ES; mso-bidi-language: AR-SA"><SPAN
lang=ES-AR
style="FONT-SIZE: 26pt; COLOR: black; FONT-FAMILY: Verdana; mso-bidi-font-size: 12.0pt; mso-ansi-language: ES-AR; mso-fareast-font-family: 'Times New Roman'; mso-fareast-language: ES; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'"><STRONG><SPAN
style="FONT-SIZE: 22pt; COLOR: black; FONT-FAMILY: Verdana; mso-bidi-font-size: 12.0pt; mso-ansi-language: ES; mso-fareast-font-family: 'Times New Roman'; mso-fareast-language: ES; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'"><FONT
size=5><B><SPAN
style="FONT-SIZE: 24pt; FONT-FAMILY: Verdana; mso-bidi-font-size: 12.0pt"><FONT
face="Times New Roman"> <?xml:namespace prefix = o
ns = "urn:schemas-microsoft-com:office:office"
/><o:p></o:p></FONT></SPAN></B><B><SPAN
style="FONT-SIZE: 16pt; COLOR: black; FONT-FAMILY: Verdana; mso-bidi-font-size: 12.0pt; mso-ansi-language: ES; mso-fareast-font-family: 'Times New Roman'; mso-fareast-language: ES; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'"><FONT
face="Times New Roman">Desde el descubrimiento hasta el premio Nobel
2007</FONT></SPAN></B></FONT></SPAN></STRONG></SPAN></SPAN></FONT></SPAN></SPAN></SPAN></DIV>
<DIV><SPAN
style="FONT-SIZE: 24pt; FONT-FAMILY: Verdana; mso-bidi-font-size: 12.0pt; mso-bidi-font-weight: bold"><SPAN
class=MquinadeescribirHTML2><SPAN lang=ES-AR
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><FONT face="Times New Roman"><SPAN
style="FONT-SIZE: 26pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-ansi-language: ES; mso-fareast-font-family: 'Times New Roman'; mso-fareast-language: ES; mso-bidi-language: AR-SA"><SPAN
lang=ES-AR
style="FONT-SIZE: 26pt; COLOR: black; FONT-FAMILY: Verdana; mso-bidi-font-size: 12.0pt; mso-ansi-language: ES-AR; mso-fareast-font-family: 'Times New Roman'; mso-fareast-language: ES; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'"><STRONG><SPAN
style="FONT-SIZE: 22pt; COLOR: black; FONT-FAMILY: Verdana; mso-bidi-font-size: 12.0pt; mso-ansi-language: ES; mso-fareast-font-family: 'Times New Roman'; mso-fareast-language: ES; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'"><FONT
face="Times New Roman" size=5><B><SPAN
style="FONT-SIZE: 16pt; COLOR: black; FONT-FAMILY: Verdana; mso-bidi-font-size: 12.0pt; mso-ansi-language: ES; mso-fareast-font-family: 'Times New Roman'; mso-fareast-language: ES; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'"></SPAN></B></FONT></SPAN></STRONG></SPAN></SPAN></FONT></SPAN></SPAN></SPAN><FONT
size=2><FONT size=5><SPAN
style="FONT-SIZE: 24pt; FONT-FAMILY: Verdana; mso-bidi-font-size: 12.0pt; mso-bidi-font-weight: bold"><SPAN
class=MquinadeescribirHTML2><SPAN lang=ES-AR
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"></SPAN></SPAN></SPAN></FONT></FONT> </DIV>
<DIV align=left><FONT face=Arial size=2><FONT face=Arial size=2><FONT face=Arial
size=2><FONT face="Times New Roman"
size=3> </FONT><FONT
size=4><FONT
face="Times New Roman"><STRONG> </STRONG> <STRONG> Ana
María Llois</STRONG></FONT><SPAN lang=ES-AR
style="FONT-SIZE: 18pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-ansi-language: ES-AR; mso-fareast-font-family: 'Times New Roman'; mso-fareast-language: ES; mso-bidi-language: AR-SA"></DIV>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center"
align=left><SPAN lang=ES-AR style="mso-ansi-language: ES-AR"><FONT
size=4> <o:p></o:p></FONT></SPAN></P>
<DIV align=left><SPAN lang=ES-AR
style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-ansi-language: ES-AR; mso-fareast-font-family: 'Times New Roman'; mso-fareast-language: ES; mso-bidi-language: AR-SA"><FONT
size=4><SPAN
style="mso-spacerun: yes"> Depto. de
Física</SPAN><SPAN lang=ES-AR
style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-ansi-language: ES-AR; mso-fareast-font-family: 'Times New Roman'; mso-fareast-language: ES; mso-bidi-language: AR-SA"><FONT
size=4>, FCEyN,
UBA. CAC, CNEA</FONT></SPAN></FONT></SPAN></SPAN></FONT></FONT></FONT></FONT><FONT
face=Arial size=2><FONT face=Arial size=2></DIV>
<DIV align=left><SPAN
style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-ansi-language: ES; mso-fareast-font-family: 'Times New Roman'; mso-fareast-language: ES; mso-bidi-language: AR-SA"></DIV></SPAN>
<DIV align=left><FONT face="Times New Roman" size=3></FONT><FONT face=Arial
size=2></DIV>
<DIV align=left><SPAN lang=EN-GB
style="FONT-SIZE: 14pt; COLOR: black; FONT-FAMILY: Verdana; mso-bidi-font-size: 10.0pt; mso-ansi-language: EN-GB; mso-fareast-font-family: 'Times New Roman'; mso-fareast-language: ES; mso-bidi-language: AR-SA; mso-bidi-font-family: Arial"><FONT
face="Times New Roman"
size=3> </FONT></SPAN><FONT
face=Arial size=2><SPAN lang=ES-AR style="mso-ansi-language: ES-AR"><FONT
face="Times New Roman"
size=3>
</FONT></SPAN></DIV>
<DIV>
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style="mso-ansi-language: ES-AR"></SPAN>-----------------------------------------------------------------------------------------------------------------------------------------------</P>
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<DIV><FONT face="Times New Roman" size=3>RESUMEN:</FONT></DIV>
<DIV><SPAN style="mso-ansi-language: ES"><O:P><FONT face="Times New Roman"
size=3> </FONT></O:P></SPAN></DIV>
<DIV align=justify><SPAN style="mso-ansi-language: ES"><O:P></O:P></SPAN><SPAN
style="mso-ansi-language: ES"><O:P><SPAN
style="FONT-SIZE: 16pt; mso-bidi-font-size: 12.0pt"><SPAN
style="FONT-SIZE: 16pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-ansi-language: ES; mso-fareast-font-family: 'Times New Roman'; mso-fareast-language: ES; mso-bidi-language: AR-SA"><SPAN
style="FONT-SIZE: 18pt; mso-bidi-font-size: 12.0pt"><FONT
face="Times New Roman"><SPAN class=MquinadeescribirHTML2><SPAN lang=ES-AR
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><FONT face="Times New Roman"><FONT
face="Century Gothic" color=black><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Century Gothic'"><FONT
face="Times New Roman"><SPAN
style="FONT-SIZE: 16pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-ansi-language: ES; mso-fareast-font-family: 'Times New Roman'; mso-fareast-language: ES; mso-bidi-language: AR-SA"><FONT
size=3><SPAN
style="FONT-SIZE: 16pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-ansi-language: ES; mso-fareast-font-family: 'Times New Roman'; mso-fareast-language: ES; mso-bidi-language: AR-SA"><FONT
size=3><SPAN lang=ES-AR style="mso-ansi-language: ES-AR"><SPAN lang=ES-AR
style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; mso-ansi-language: ES-AR; mso-fareast-font-family: 'Times New Roman'; mso-fareast-language: EN-US; mso-bidi-language: AR-SA"><SPAN
style="FONT-SIZE: 16pt; mso-bidi-font-size: 12.0pt"><FONT size=3><SPAN
style="FONT-SIZE: 16pt; mso-bidi-font-size: 12.0pt"><FONT size=3><SPAN
lang=ES-AR
style="FONT-SIZE: 16pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-ansi-language: ES-AR; mso-fareast-font-family: 'Times New Roman'; mso-fareast-language: ES; mso-bidi-language: AR-SA"><SPAN
lang=ES-AR
style="FONT-SIZE: 12pt; FONT-FAMILY: Arial; mso-bidi-font-size: 10.0pt; mso-ansi-language: ES-AR; mso-bidi-font-family: 'Times New Roman'"><FONT
face="Times New Roman">
<P class=MsoNormal
style="MARGIN: 0cm 24.2pt 0pt 21.25pt; LINE-HEIGHT: 150%; TEXT-ALIGN: justify"><SPAN
style="FONT-SIZE: 16pt; mso-bidi-font-size: 12.0pt"><FONT size=3>Pocos
descubrimientos en física tuvieron aplicaciones que impactaran al mundo
tecnológico tan rápidamente como el efecto de
magnetorresistencia gigante (GMR), por cuyo<SPAN
style="mso-spacerun: yes"> </SPAN>descubrimiento fueron galardonados este
año con el premio Nobel de Física los investigadores Albert Fert y
Peter Grünberg.<o:p></o:p></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 24.2pt 0pt 21.25pt; LINE-HEIGHT: 150%; TEXT-ALIGN: justify"><SPAN
style="FONT-SIZE: 16pt; mso-bidi-font-size: 12.0pt"><FONT size=3>El efecto GMR
se manifiesta a través de una variación importante de la resistividad en
materiales especialmente diseñados, frente a variaciones<SPAN
style="mso-spacerun: yes"> </SPAN>pequeñas del campo magnético aplicado.
Este efecto se origina en la interacción magnética que existe entre
regiones de material<SPAN style="mso-spacerun: yes">
</SPAN>ferromagnético separadas entre sí por material no magnético
en muestras de dimensiones nanométricas . <o:p></o:p></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 24.2pt 0pt 21.25pt; LINE-HEIGHT: 150%; TEXT-ALIGN: justify"><SPAN
style="FONT-SIZE: 16pt; mso-bidi-font-size: 12.0pt"><FONT size=3>En esta charla
recorreremos la historia del descubrimiento, explicaremos las causas
físicas que subyacen al mismo y hablaremos sobre el impacto
que ha tenido sobre la miniaturización de los dispositivos de<SPAN
style="mso-spacerun: yes"> </SPAN>almacenamiento de
datos.</FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 24.2pt 0pt 21.25pt; LINE-HEIGHT: 150%; TEXT-ALIGN: justify"><SPAN
style="FONT-SIZE: 16pt; mso-bidi-font-size: 12.0pt"><FONT
size=3><o:p></o:p></FONT></SPAN> </P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify"></FONT></SPAN></SPAN></FONT></SPAN></FONT></SPAN><FONT
face=Arial
size=2>-----------------------------------------------------------------</FONT></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%; TEXT-ALIGN: justify"><FONT
face=Arial size=2>Están todos
invitados!</FONT></SPAN></SPAN></P></FONT></SPAN></FONT></SPAN></FONT></SPAN></FONT></FONT></SPAN></SPAN></FONT></SPAN></SPAN></SPAN></O:P></SPAN></FONT></FONT></FONT></FONT></DIV></FONT></DIV></BODY></HTML>