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19 papers
High Pressure Study of Structural Phase Transitions and Superconductivity in La1.48Nd0.4Sr0.12CuO4
M. K. Crawford, R. L. Harlow, S. Deemyad +8
We have determined the crystal structures and superconducting transition temperatures of La1.48Nd0.4Sr0.12CuO4 under nearly hydrostatic pressures in diamond anvil cells to 5.0 GPa…
Low-temperature phases in Pb(Zr0.52Ti0.48)O3: A neutron powder diffraction study
D. E. Cox, B. Noheda, G. Shirane
A neutron powder diffraction study has been carried out on Pb(Zr0.52Ti0.48)O3 in order to resolve an ongoing controversy about the nature of the low-temperature structure of this s…
Phase diagram of the ferroelectric-relaxor (1-x)PbMg(1/3)Nb(2/3)O3-xPbTiO3
B. Noheda, D. E. Cox, G. Shirane +2
Synchrotron x-ray powder diffraction measurements have been performed on unpoled ceramic samples of (1-x)PbMg(1/3)Nb(2/3)O3-xPbTiO3 (PMN-xPT) with 30%<= x<= 39% as a function of te…
Electric-field induced phase transitions in rhombohedral PZN-xPT
B. Noheda, Z. Zhong, D. E. Cox +3
High-energy x-ray diffraction experiments peformed on rhombohedral (1-x)Pb(Zn1/3Nb2/3)O3-xPbTiO3(PZN-xPT) crystals with x= 4.5 and 8% show that an electric field applied along the…
Low symmetry phases in piezoelectric systems: PZN-xPT single crystal and powder
B. Noheda, D. E. Cox, G. Shirane
In this review we address some of the experimental challenges found in the x-ray diffraction characterization of the low-symmetry phases recently discovered in the PZT, PZN-PT and…
Phase diagram of the relaxor ferroelectric (1-x)PbZn(1/3)Nb(2/3)O3-xPbTiO3
D. La-Orauttapong, B. Noheda, Z. -G. Ye +4
Recently, a new orthorhombic phase has been discovered in the ferroelectric system Pb(Zn1/3Nb2/3)O3-xPbTiO3 (PZN-xPT) for x= 9%, and for x= 8% after the application of an electric…