• YE Hengqiang
    Title:Member of CAS, Professor Email: hqye@imr.ac.cn
    Tel. : +86-24-23971836 FAX: +86-24-23891320
    Division: N/A
    Address: Institute of Metal Research Chinese Academy of Sciences (IMR CAS), 72 Wenhua Road,Shenyang,China, 110016

Experience:

Ye Hengqiang, has been studying crystal structure and defects by means of electron microscopy. He has made several original findings on five-fold symmetry in bulk crystal and quasi-crystal phases, domain structures in topologically close-packed phases in superalloys, and structure and property of the interfaces of materials. He has won National Natural Science Awards for four different programs in , and published more than two hundred scientific papers in both domestic and international academic journals. 
Among his achievements, Ye discovered the five symmetries unallowable in traditional crystallography and further discovered and studied the quasi-crystal phases such as icosahedron symmetry, eight-time symmetry and cubic symmetry. He was the first person to study systematically the structure and defect of solid material through high-resolution atomic pictures. He also developed a technique and theory on material fine structure of atomic dimensions and discovered various new phases and domain configurations in high-temperature alloy topological close piling phases.

Ye determined several new structures through the method of displaying various kinds of atoms by using superstructure pictures, revealed visually the production mechanism of alloy non-commensurability structure and advanced original opinions on alloy structure theory.

Research Interest:

Crystal structure and defects

Research Achievement:

Service to the International Professional Societies:

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