Prof.
Ahn
is
the Director of Undergraduate Studies in Applied Physics-
- My focus is on novel materials, molecular beam
epitaxy, physics and technology of ferroelectric films, including
nanofabrication and "writing" with atomic force microscopy;
control of carrier density in superconductors and semiconductors with
ferroelectric gates.
Selected Publications
"Electrostatic Tuning of NdBa2Cu3O7
Films and its Effect on the
Hall Response," S. Gariglio, D. Matthey, C.H. Ahn, J.-M. Triscone,
Physical Review Letters, 88, 067002 (2002).
"Epitaxial Growth of Pb(Zr0.2Ti0.8)O3
on Si and Its Nanoscale
Piezoelectric Properties," A. Lin, X. Hong, V. Wood, A. Verevkin,
C.H. Ahn, R.A. McKee, F.J. Walker, E.D. Specht, Applied Physics
Letters, 78, 2034 (2001).
"Electrostatic Modulation of Superconductivity in Ultrathin GdBa2Cu3O7-x Films," C.H. Ahn, S. Gariglio, P. Paruch, T. Tybell,
L. Antognazza, J.-M. Triscone, Science, 284, 1152
(1999).
"Local, Nonvolatile Electronic Writing of Epitaxial
Pb(Zr0.52Ti0.48)O3/SrRuO3 Heterostructures," C.H. Ahn, T. Tybell,
L. Antognazza, K. Char, R.H. Hammond, M. R. Beasley, Ø. Fischer,
J.-M. Triscone, Science, 276, 1100 (1997).
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