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DTSTAMP:20231106T160559Z
UID:44B5A914-B0D8-4B93-8849-2402C99BDB6E
DTSTART;TZID=America/New_York:20231103T140000
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DESCRIPTION:A wealth of new materials could be found if that pesky “equil
 ibrium” could be avoided. Accessing these new materials could be achieve
 d using far-from-equilibrium processing\, in this case inert gas condensat
 ion (IGC). IGC is an ideal method of forming a wide variety of nanomateria
 ls over large composition space\, with excellent control over nanoparticle
  size. The nanoparticles formed by IGC can be isolated from each other\, c
 reating nanoscale systems that resist transformations to equilibrium (bulk
 ) structures\, both in the as-formed state and upon heat treatment. The re
 sulting unique structures\, including solid solutions in normally immiscib
 le systems\, new atomic structures (i.e.\, phases)\, and core/shell and co
 re/frame geometries\, strongly influence magnetic and other functional beh
 avior. For example\, extensive solubility of 4d or 5d transition metals in
 to Fe or Co can enhance magnetocrystalline anisotropy. Further\, novel ord
 ered crystal structures can form from parent non-equilibrium solid solutio
 ns\, providing another route to discover new materials. This presentation 
 will cover nanoparticle formation mechanisms\, the formation and magnetic 
 properties of extended solid solubility in Co-W and Co-Mo\, complete solid
  solution formation in Fe-Au\, and ordered L12 and L10 structures in the F
 e-Au system. Other systems will also be covered\, including the design of 
 core/shell and core/frame nanoparticles\, further demonstrating how IGC ca
 n be used to design novel materials and structures.\n\nCo-sponsored by: Vi
 rginia Commonwealth University\, Department of Mechanical and Nuclear Engi
 neering \n\nSpeaker(s): Dr. Jeffrey Shield\, \n\nBldg: East Engineering Bu
 ilding \, 401 W Main Street\, Mechanical and Nuclear Engineer\, Richmond\,
  Virginia\, United States\, 23284
LOCATION:Bldg: East Engineering Building \, 401 W Main Street\, Mechanical 
 and Nuclear Engineer\, Richmond\, Virginia\, United States\, 23284
ORGANIZER:rhadimani@vcu.edu
SEQUENCE:2
SUMMARY:Non-equilibrium Phase Discovery in Finite-sized Systems 
URL;VALUE=URI:https://events.vtools.ieee.org/m/381271
X-ALT-DESC:Description: <br /><p>A wealth of new materials could be found i
 f that pesky &ldquo\;equilibrium&rdquo\; could be avoided. Accessing these
  new materials could be achieved using far-from-equilibrium processing\, i
 n this case inert gas condensation (IGC). IGC is an ideal method of formin
 g a wide variety of nanomaterials over large composition space\, with exce
 llent control over nanoparticle size. The nanoparticles formed by IGC can 
 be isolated from each other\, creating nanoscale systems that resist trans
 formations to equilibrium (bulk) structures\, both in the as-formed state 
 and upon heat treatment. The resulting unique structures\, including solid
  solutions in normally immiscible systems\, new atomic structures (i.e.\, 
 phases)\, and core/shell and core/frame geometries\, strongly influence ma
 gnetic and other functional behavior. For example\, extensive solubility o
 f 4d or 5d transition metals into Fe or Co can enhance magnetocrystalline 
 anisotropy. Further\, novel ordered crystal structures can form from paren
 t non-equilibrium solid solutions\, providing another route to discover ne
 w materials. This presentation will cover nanoparticle formation mechanism
 s\, the formation and magnetic properties of extended solid solubility in 
 Co-W and Co-Mo\, complete solid solution formation in Fe-Au\, and ordered 
 <em>L</em>1<sub>2</sub> and <em>L</em>1<sub>0</sub> structures in the Fe-A
 u system. Other systems will also be covered\, including the design of cor
 e/shell and core/frame nanoparticles\, further demonstrating how IGC can b
 e used to design novel materials and structures.</p>
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