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SUMMARY: Charge\, spin and vacancy ordering in perovskites obtained from  
 high pressure and reductive chemistry. - Dr Angel Arevalo Lopez\, CSEC\, U
 niversity of Edinburgh
DTSTART:20150220T113000Z
DTEND:20150220T123000Z
UID:TALK57024@talks.cam.ac.uk
CONTACT:Helen Verrechia
DESCRIPTION:The discovery of new materials with appealing functional prope
 rties is challenging and such properties are often observed in complex oxi
 des containing transition metals in intermediate or unusual oxidation stat
 es which must be stabilised under special synthetic conditions.\n\nHigh-pr
 essure and temperature synthesis is a powerful tool for stabilizing materi
 als with unique structures and properties(“Hard-chemistry”) and one ca
 n manipulate and tune those structures\, and therefore their properties\, 
 by modifying their anion lattices with “soft” reactions. Hence\, combi
 nation of "hard-soft” oxide chemistry is appealing as a synthetic route 
 for new materials.\n\nThe success of this "hard-soft" chemistry approach i
 n chromium perovskites along with some ternary Mn oxides (MnBO3) obtained 
 from high pressure will be presented and discussed.\n
LOCATION:TCM Seminar room  (530)\, Cavendish Laboratory\, Department of Ph
 ysics
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