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International Microscopy Prize for Chunlin Jia

16 January 2014

Prof. Chunlin Jia of the Peter Grünberg Institute, Microstructure Research (PGI-5), and the Ernst Ruska-Centre (ER-C) is to receive the Hatsujiro Hashimoto Medal from the International Federation of Societies for Microscopy. The award, honouring the outstanding contributions of individual scientists in the application of microscopy and other related techniques in physics and material sciences, is named after the pioneer of microscopy research, Hatsujiro Hashimoto.  Prof. Jia will be presented with the prize in September at the 18th International Microscopy Congress in Prague.

Hashimoto Preis - Prof. JiaProf. Chunlin Jia conducts his research in Jülich at the Ernst Ruska-Centre for Microscopy and Spectroscopy with Electrons.
Copyright: Forschungszentrum Jülich

The main focus of Jia’s work is on the investigation of electroceramic materials using the world’s most advanced electron microscopy techniques, as well as in the development of new methods for the optimal use of so-called aberration-corrected transmission electron microscopy, which he employs in the course of his investigations.  These microscopes are equipped with correctors, which compensate for the unavoidable aberrations of electromagnetic lenses and thus fundamentally improve the resolution of electron microscopes.  The NCSI (negative spherical aberration imaging) technique, which Jia developed on the basis of the aberration-corrected microscope, has improved the visibility of lighter elements and has made it possible to determine the occupancies of individual atomic columns in crystalline materials.  Employing the NCSI technique, Jia has measured the interplay between structural and electron properties in nanomaterials by analysing image contrast quantitatively through comparisons with simulations. One of his most important contributions to materials science is his work on the atomic-scale characterization of electric dipoles in oxide ferroelectrics.   Ferroelectrics are materials in which displacements of positive and negative ions result in the formation of electric dipoles.  The orientation of the dipoles can be altered by applying an external electric field; such materials are therefore suitable for storing data in a very small amount of space.  

 Chunlin Jia has lived and worked for around 25 years in Jülich.  Since 1998, he has been Group Leader at the Institute of Microstructure Research.  Since 2000, he has held professorships at various Chinese universities.  In 1993, RWTH Aachen University awarded him the Borchers Medal, and the Chinese Electron Microscopy Society honoured him with the K.H. Kuo Award for outstanding scientists in 2004.  In 2010, he was selected by the Chinese government to take part in the “1,000 Talents“ programme, which aims to offer the best scientists in the world the opportunity to conduct research in China.  Since then, Jia travels between Germany and China, where he has established an electron microscopy research platform at Jiaotong University in Xi’an.

Further Information:

Peter Grünberg Institute, Microstructure Research (PGI-5)

Ernst Ruska-Centrum

International Federation of Societies for Microscopy

The 18th International Microscopy Congress

 


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