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IBM-Stanford Spintronic Science and Applications Center Scientists

 Jonathan Sun

Photo of Jonathan Sun
 Jonathan Sun
 Research Staff Member
 Thomas J. Watson Research Center
 IBM Research

Dr. Jonathan Sun is a Research Staff Member at IBM's T. J. Watson Research Center at Yorktown Heights, New York. His current focus is on spin-current-switchable magnetic nano-structures and related device and materials physics. Dr. Sun's early experimental demonstration together with the theoretical modeling of his and others revealed the new phenomenon of spin-current-induced magnetic switching in magnetic junction devices. The effect has by now been unambiguously demonstrated experimentally, and quantitatively understood in many situations theoretically. The progress of this field now is enabling new technologies for writing magnetic information into sub-50nm magnetic structures. It holds the promise for further scaling of magnetism-based memory devices well below the present-day lithography limit. Before his work on spin-torque and nano-magnetism, Dr. Sun researched oxide electronic materials and superconducting devices, including passive microwave devices and magnetic field-sensing devices utilizing superconducting quantum interference structures based on high-temperature superconductor thin films. Dr. Sun has over 100 publications in refereed journals, and holds over 10 patents in technology areas including memory, nanomagnetism, and superconductive materials and devices. Dr. Sun received his MS and PhD degrees from the Applied Physics Department at Stanford University. He is a member of the American Physical Society.


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