Zentropy

Theory and Fundamentals

Inbunden, Engelska, 2024

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Beskrivning

This book compiles selected publications authored or co-authored by the editor to present a comprehensive understanding of following topics: (1) fundamentals of thermodynamics, Materials Genome®, and zentropy theory; (2) zentropy theory for prediction of positive and negative thermal expansions. It is noted that while entropy at one scale is well represented by standard statistical mechanics in terms of probability of individual configurations at that scale, the theory capable of counting total entropy of a system from different scales is lacking. The zentropy theory provides a nested form for configurational entropy enabling multiscale modeling to account for disorder and fluctuations from the electronic scale based on quantum mechanics to the experimental scale based on statistical mechanics using free energies of individual configurations rather than their total energies in standard statistical mechanics. The predictions from the zentropy theory demonstrate remarkable agreements with experimental observations for magnetic transitions and associated emergent behaviors of strongly correlated metals and oxides, including singularity and instability at critical points and positive and negative thermal expansions, without the need of additional truncated models and fitting model parameters beyond density function theory. This paves the way to provide the predicted phase equilibrium data for high throughput predictive CALPHAD modeling of complex material systems, and those individual configurations may thus be considered as the genomic building blocks of individual phases in the spirit of Materials Genome®.

Produktinformation

Utgivningsdatum:2024-08-23
Mått:152 x 229 x 45 mm
Vikt:1 320 g
Format:Inbunden
Språk:Engelska
Antal sidor:734
Förlag:Jenny Stanford Publishing
ISBN:9789814968942

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Mer om författaren

Zi-Kui Liu is the Dorothy Pate Enright Professor in the Department of Materials Science and Engineering at the Pennsylvania State University, USA. He obtained his BS from Central South University, China, MS from the University of Science and Technology Beijing, China, and PhD from KTH Royal Institute of Technology, Sweden. He was a research associate at the University of Wisconsin-Madison and a senior research scientist at QuesTek Innovations LLC. He has been at the Pennsylvania State University since 1999, the editor-in-chief of CALPHAD journal since 2001, and the president of CALPHAD Inc. since 2013. Dr Liu coined the term "Materials Genome®" in 2002. He is a fellow of TMS and ASM International and has served as the president of ASM International and a member of the ASM International Board of Trustees and the TMS Board of Directors. He has graduated 32 PhD students and published over 650 papers.

Innehållsförteckning

Part I Fundamentals of Thermodynamics, Material Genome, and Zentropy Theory1. Computational Thermodynamics and Its ApplicationsZi-Kui Liu2. Perspective on Materials GenomeZi-Kui Liu3. Theory of Cross Phenomena and Their Coefficients beyond Onsager TheoremZi-Kui Liu4. Thermodynamics and Its Prediction and CALPHAD Modeling: Review, State of the Art, and PerspectivesZi-Kui Liu5. Thermodynamics of Constrained and Unconstrained Equilibrium Systems and Their Phase RulesZi-Kui Liu and John Ågren6. On Two-Phase Coherent Equilibrium in Binary AlloysZi-Kui Liu and John Ågren7. Multiscale Entropy and Its Implications to Critical Phenomena, Emergent Behaviors, and InformationZi-Kui Liu, Bing Li, and Henry Lin8. Maximizing the Number of Coexisting Phases Near Invariant Critical Points for Giant Electrocaloric and Electromechanical Responses in FerroelectricsZi-Kui Liu, Xinyu Li, and Q. M. Zhang9. Mitigating Grain Growth in Binary Nanocrystalline Alloys through Solute Selection Based on Thermodynamic Stability MapsK. A. Darling, M. A. Tschopp, B. K. VanLeeuwen, M. A. Atwater, and Zi-Kui Liu10. On the Transition from Local Equilibrium to Paraequilibrium during the Growth of Ferrite in Fe–Mn–C AusteniteZi-Kui Liu and John ÅgrenPart II Zentropy Theory for Prediction of Positive and Negative Thermal Expansions11. Zentropy Theory for Positive and Negative Thermal ExpansionZi-Kui Liu, Yi Wang, and Shun-Li Shang12. Thermodynamics of the Ce γ–α Transition: Density-Functional StudyY. Wang, L. G. Hector, Jr., H. Zhang, S. L. Shang, L. Q. Chen, and Zi-Kui Liu13. A Thermodynamic Framework for a System with Itinerant-Electron MagnetismY. Wang, L. G. Hector Jr., H. Zhang, S. L. Shang, L. Q. Chen, and Zi-Kui Liu14. Thermodynamic Fluctuations in Magnetic States: Fe3Pt as a PrototypeY. Wang, S.L. Shang, H. Zhang, L.-Q. Chen, and Zi-Kui Liu15. Thermodynamic Fluctuations between Magnetic States from First-Principles Phonon Calculations: The Case of bcc FeShun-Li Shang, Yi Wang, and Zi-Kui Liu16. Origin of Negative Thermal Expansion Phenomenon in SolidsZi-Kui Liu, Yi Wang, and Shun-Li Shang17. Thermal Expansion Anomaly Regulated by EntropyZi-Kui Liu, Yi Wang, and Shun-Li Shang18. Nature of Ferroelectric-Paraelectric Phase Transition and Origin of Negative Thermal Expansion in PbTiO3Huazhi Fang, Yi Wang, Shun-Li Shang, and Zi-Kui Liu 19. Fundamentals of Thermal Expansion and Thermal ContractionZi-Kui Liu, Shun-Li Shang, and Yi Wang20. Density Functional Thermodynamic Description of Spin, Phonon and Displacement Degrees of Freedom in Antiferromagnetic-to-Paramagnetic Phase Transition in YNiO3J. L. Du, O. I. Malyi, S.-L. Shang, Y. Wang, X.-G. Zhao, F. Liu, A. Zunger, and Zi-Kui Liu