A phase field model combined with genetic algorithm for polycrystalline hafnium zirconium oxide ferroelectrics

Autor: Sugathan, Sandeep, Thekkepat, Krishnamohan, Bandyopadhyay, Soumya, Kim, Jiyoung, Cha, Pil-Ryung

Ferroelectric hafnium zirconium oxide (HZO) thin films show significant promise for applications in ferroelectric random-access memory, ferroelectric field-effect transistors, and ferroelectric tunneling junctions. However, there are shortcomings in

Externí odkaz: http://arxiv.org/abs/2204.07960

A phase-field study of elastic stress effects on phase separation in ternary alloys

Autor: Sugathan, Sandeep, Bhattacharya, Saswata

Most of the commercially important alloys are multicomponent, producing multiphase microstructures as a result of processing. When the coexisting phases are elastically coherent, the elastic interactions between these phases play a major role in the

Externí odkaz: http://arxiv.org/abs/1904.07401

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Enhancing elevated temperature strength of copper containing aluminium alloys by forming L1 2 Al 3 Zr precipitates and nucleating θ″ precipitates on them.

Autor: Kumar Makineni S; Indian Institute of Science, Department of Materials Engineering, Bangalore, 560012, India. surendra.makineni@gmail.com.; Max-Planck-Institut für Eisenforschung, Department of Microstructure Physics and Alloy Design, Düsseldorf, 40237, Germany. surendra.makineni@gmail.com., Sugathan S; Indian Institute of Technology, Department of Material Science and Metallurgical Engineering, Hyderabad, 502285, India., Meher S; University of North Texas, Center for Advanced Research and Technology and Department of Materials Science and Engineering, Denton, TX-76203, USA., Banerjee R; University of North Texas, Center for Advanced Research and Technology and Department of Materials Science and Engineering, Denton, TX-76203, USA., Bhattacharya S; Indian Institute of Technology, Department of Material Science and Metallurgical Engineering, Hyderabad, 502285, India., Kumar S; Indian Institute of Science, Department of Materials Engineering, Bangalore, 560012, India., Chattopadhyay K; Indian Institute of Science, Department of Materials Engineering, Bangalore, 560012, India.

Publikováno v: Scientific reports [Sci Rep] 2017 Sep 11; Vol. 7 (1), pp. 11154. Date of Electronic Publication: 2017 Sep 11.