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Computational Modeling of Order and Disorder in Multicomponent Materials
Computational Modeling of Order and Disorder in Multicomponent Materials
Computational Modeling of Order and Disorder in Multicomponent Materials

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자료유형  
 학위논문 서양
최종처리일시  
20260202104818
ISBN  
9798291583920
DDC  
530
저자명  
Liu, Tzu-chen.
서명/저자  
Computational Modeling of Order and Disorder in Multicomponent Materials
발행사항  
[Sl] : Northwestern University, 2025
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2025
형태사항  
168 p
주기사항  
Source: Dissertations Abstracts International, Volume: 87-02, Section: B.
주기사항  
Advisor: Wolverton, Christopher.
학위논문주기  
Thesis (Ph.D.)--Northwestern University, 2025.
초록/해제  
요약Modern computational capacity enables the efficient discovery of advanced materials whose complexity far exceeds that of the traditional materials long relied upon by humankind. Among many, multicomponent crystalline materials have drawn significant interest for their compositional diversity and flexibility, providing a broad design space to optimize properties and reduce reliance on scarce elements. At finite temperature, a higher compositional degree of freedom is accompanied by greater configurational complexity on the lattice, owing to the configurational entropy contribution from multicomponents to the free energy minimization. Their corresponding complicated order and disorder phenomena not only govern practical material properties but also offer a fascinating playground for challenging the capability of toolkits owned by computational materials science researchers. Targeting material properties for energy and functional applications in cation-disordered rocksalt-type cathodes and medium-entropy alloys, this thesis integrates a broad spectrum of topics in the computational modeling of order and disorder in multicomponent materials: capabilities of modeling techniques; efficient high-throughput screening that enables statistical evaluation of elemental ordering tendencies; the fundamental understanding of ordering behavior on the face-centered cubic lattice through Monte Carlo mappings; and the uncertainty introduced by the Hubbard correction in density functional theory calculations that affects the accuracy of disordered materials discovery. Finally, a dedicated chapter outlines future work, posing new questions that emerge from the advanced understanding gained in this thesis.
일반주제명  
Computational physics
일반주제명  
Materials science
일반주제명  
Energy
키워드  
Free energy minimization
키워드  
Monte Carlo mappings
키워드  
Multicomponent crystalline materials
기타저자  
Northwestern University Materials Science and Engineering
기본자료저록  
Dissertations Abstracts International. 87-02B.
전자적 위치 및 접속  
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MARC

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■24510▼aComputational  Modeling  of  Order  and  Disorder  in  Multicomponent  Materials
■260    ▼a[Sl]▼bNorthwestern  University▼c2025
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2025
■300    ▼a168  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  87-02,  Section:  B.
■500    ▼aAdvisor:  Wolverton,  Christopher.
■5021  ▼aThesis  (Ph.D.)--Northwestern  University,  2025.
■520    ▼aModern  computational  capacity  enables  the  efficient  discovery  of  advanced  materials  whose  complexity  far  exceeds  that  of  the  traditional  materials  long  relied  upon  by  humankind.  Among  many,  multicomponent  crystalline  materials  have  drawn  significant  interest  for  their  compositional  diversity  and  flexibility,  providing  a  broad  design  space  to  optimize  properties  and  reduce  reliance  on  scarce  elements.  At  finite  temperature,  a  higher  compositional  degree  of  freedom  is  accompanied  by  greater  configurational  complexity  on  the  lattice,  owing  to  the  configurational  entropy  contribution  from  multicomponents  to  the  free  energy  minimization.  Their  corresponding  complicated  order  and  disorder  phenomena  not  only  govern  practical  material  properties  but  also  offer  a  fascinating  playground  for  challenging  the  capability  of  toolkits  owned  by  computational  materials  science  researchers.  Targeting  material  properties  for  energy  and  functional  applications  in  cation-disordered  rocksalt-type  cathodes  and  medium-entropy  alloys,  this  thesis  integrates  a  broad  spectrum  of  topics  in  the  computational  modeling  of  order  and  disorder  in  multicomponent  materials:  capabilities  of  modeling  techniques;  efficient  high-throughput  screening  that  enables  statistical  evaluation  of  elemental  ordering  tendencies;  the  fundamental  understanding  of  ordering  behavior  on  the  face-centered  cubic  lattice  through  Monte  Carlo  mappings;  and  the  uncertainty  introduced  by  the  Hubbard  correction  in  density  functional  theory  calculations  that  affects  the  accuracy  of  disordered  materials  discovery.  Finally,  a  dedicated  chapter  outlines  future  work,  posing  new  questions  that  emerge  from  the  advanced  understanding  gained  in  this  thesis.
■590    ▼aSchool  code:  0163.
■650  4▼aComputational  physics
■650  4▼aMaterials  science
■650  4▼aEnergy
■653    ▼aFree  energy  minimization
■653    ▼aMonte  Carlo  mappings
■653    ▼aMulticomponent  crystalline  materials
■690    ▼a0794
■690    ▼a0216
■690    ▼a0791
■71020▼aNorthwestern  University▼bMaterials  Science  and  Engineering.
■7730  ▼tDissertations  Abstracts  International▼g87-02B.
■790    ▼a0163
■791    ▼aPh.D.
■792    ▼a2025
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17358984▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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