Selected Honors and Awards:
1997-2006 Excellent Research Award of Science College of Fu Jen Catholic University
2005, 2007 Distinguished Teaching Award of Physics Department, Fu Jen Catholic University
1998 & 2001 Outstanding Research Award of Fu Jen Catholic University
1999-2001 Excellent Research Award of Taiwan National Science Council
1995-1997 Excellent Research Award of Taiwan National Science Council
Biographical Sketch:
Experimental Condensed-Matter Physics
Ph.D., 1994, Montana State University, Bozeman
M.S., 1990, University of Oregon, Eugene
B.S., 1984, National Taiwan Normal University, Taipei, Taiwan
2004 - pres Professor, Graduate Institute of Applied Science and Engineering, Fu Jen University
2000 - pres Professor, Physics, Fu Jen University, Taipei, Taiwan
1996 - pres Visiting Research Scientist, Montana State University, Bozeman
1995 - 2000 Associate Professor, Physics, Fu Jen University, Taipei, Taiwan
1995 Postdoctoral Research Associate, Physics, University of Puerto Rico, San Juan
Interests:
• Spontaneous Brillouin and Raman light scattering • UV-Vis-IR pulse laser (wavelengths: 210-2400 nm)
• Synchrotron X-ray Fluorescence Spectroscopy (Advanced Light Source, UC Berkeley)
• Cleaning of radioactive contaminants by pulse laser
• IR & UV transmission/absorption spectroscopy
• Dielectric spectroscopy and electric hysteresis loop experiment • Measurement of anisotropic refractive indices • Polarizing light microscopy (for ferroelectric domain observation)
• In-situ X-ray diffraction and scanning electron microscope (SEM)
• RF&DC magnetron sputtering deposition
• LabVIEW and LABTECH automatic interfacing with GPIB and AD/DA converter
• High pressure diamond anvil cell (DAC) • Materials studied: Cs/Co contaminated granite, cement, and marble High-strain ferroelectrics: BaTiO3, Pb(Mg1/3Nb2/3)O3 (PMN), (Na1/2Bi1/2)TiO3 (NBT),Pb(Mg1/3Nb2/3)1-xTixO3 (PMNT), Pb(Zn1/3Nb2/3)1-xTixO3 (PZNT), Pb(Fe1/2Nb1/2)1-xTixO3 (PFNT), Pb(In1/2Nb1/2)1-xTixO3 (PINT), and tungsten doped PMNT. Nonlinear optical crystals: KTiOPO4 (KTP), RbTiOAsO4 (RTA), CsTiOAsO4 (CTA), KTiOAsO4 (KTA). KDP-type mixed crystals: K1-x(ND4)xD2AsO4, Rb1-x(ND4)xD2AsO4, Rb1-x(ND4)xD2PO4. Nematic liquid crystal: E7.
Selected Publications:
C.-S. Tu. R.R. Chien, C.-M. Hung, V.H. Schmidt, F.-T. Wang, and C.-T. Tseng, "Field -induced orientational percolation to a ferroelectric phase in relaxor Pb(In1/2Nb1/2)1-xTixO3," Physics Review B 75, 212101/1-4 (2007).
C.-S. Tu, F.T. Wang, C.M. Hung, R.R. Chien, and H. Luo, “Dielectric, domain, and optical studies in high-Curie-temperature Pb(In1/2Nb1/2)1-xTixO3 (x=0.40) single crystal,” J. Appl. Phys. 100, 104104/1-5 (2006).
C.-S. Tu, R.R. Chien, V.H. Schmidt, F.-T. Wang, and L.C. Lim, “Electric-induced dielectric anomalies and optical birefringence in Pb(Zn1/3Nb2/3)1-xTixO3 (x=0.10) single crystal,” J. Appl. Phys. 100, 074105/1-6 (2006).
C.-S. Tu, F.-T. Wang, R.R. Chien, V.H. Schmidt, T.-M. Hung, and C.-T. Tseng, “Dielectric and photo-voltaic phenomena in tungsten doped Pb(Mg1/3Nb2/3)1-xTixO3 crystal,” Appl. Phys. Lett. 88, 032902/1-3 (2006).
C.-S. Tu, C.-M. Hung, F.-T. Wang, R.R. Chien, and S.-W. Yang, “Dielectric and optical behaviors in relaxor ferroelectric Pb(In1/2Nb1/2)1-xTixO3 crystal, “ Solid State Commun. 138 (4), 190-193 (2006).
C.-S. Tu, R.R. Chien, V.H. Schmidt, F.T. Wang, W.T. Hsu, C.T. Tseng, and C.C. Shih, “Dielectric/ piezoelectric resonance in high-strain Pb(Mg1/3Nb2/3)1-xTixO3 crystals,” J. Appl. Phys. 97, 126105/1-3 (2005).
C.-S. Tu, F.-T. Wang, R.R. Chien, V.H. Schmidt, and G.F. Tuthill, “Electric-field-effects of dielectric and optical properties in Pb(Mg1/3Nb2/3)0.65Ti0.35O3 crystal,” J. Appl. Phys. 97, 064112/1-5 (2005).
C.-S. Tu, R.R. Chien, F.-T. Wang, V.H. Schmidt, and P. Han, “Phase stability after an electric-field poling in Pb(Mg1/3Nb2/3)1-xTixO3 crystals,” Phys. Rev. B (R) 70, 220103/1-4 (2004).
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