J
Jonathan E. Spanier
Researcher at Drexel University
Publications - 134
Citations - 6929
Jonathan E. Spanier is an academic researcher from Drexel University. The author has contributed to research in topics: Ferroelectricity & Thin film. The author has an hindex of 35, co-authored 131 publications receiving 6110 citations. Previous affiliations of Jonathan E. Spanier include Stony Brook University & University of Delaware.
Papers
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Perovskite oxides for visible-light-absorbing ferroelectric and photovoltaic materials
Ilya Grinberg,D. Vincent West,Maria I. Alvarado Torres,Gaoyang Gou,David M. Stein,Liyan Wu,Guannan Chen,Eric M. Gallo,Andrew R. Akbashev,Peter K. Davies,Jonathan E. Spanier,Andrew M. Rappe +11 more
TL;DR: The ability of KBNNO to absorb three to six times more solar energy than the current ferroElectric materials suggests a route to viable ferroelectric semiconductor-based cells for solar energy conversion and other applications.
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Size-dependent properties of CeO 2-y nanoparticles as studied by Raman scattering
TL;DR: In this paper, the combined effects of strain and phonon confinement are seen to explain why the Raman peak near $464{cm} in nanoparticles shifts to progressively lower energies and the lineshape of this feature gets progressively broader and asymmetric as the particle size gets smaller.
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Cerium oxide nanoparticles: Size-selective formation and structure analysis
Feng Zhang,Siu-Wai Chan,Jonathan E. Spanier,Ebru Apak,Qiang Jin,Richard D. Robinson,Irving P. Herman +6 more
TL;DR: In this article, the lattice parameter increases up to 0.45% as the particle size decreases to 6 nm, as observed with x-ray diffraction, which can be explained by increased concentrations of point defects with decreasing particle size.
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Ferroelectric Phase Transition in Individual Single-Crystalline BaTiO3 Nanowires
Jonathan E. Spanier,Alexie M. Kolpak,Jeffrey J. Urban,Ilya Grinberg,Lian Ouyang,Wan Soo Yun,Andrew M. Rappe,Hongkun Park +7 more
TL;DR: Measurements show that the ferroelectric phase transition temperature (TC) is depressed as the nanowire diameter (dnw) decreases, following a 1/dnw scaling, and density functional theory (DFT) calculations indicate that ferroElectricity in nanowires is stabilized by molecular adsorbates such as OH and carboxylates.
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Power conversion efficiency exceeding the Shockley–Queisser limit in a ferroelectric insulator
Jonathan E. Spanier,Vladimir M. Fridkin,Vladimir M. Fridkin,Andrew M. Rappe,Andrew R. Akbashev,Alessia Polemi,Yubo Qi,Zongquan Gu,Steve M. Young,Christopher J. Hawley,Dominic Imbrenda,Geoffrey Xiao,Andrew L. Bennett-Jackson,CL Johnson +13 more
TL;DR: In this paper, the Shockley-Queisser limit for solar cells was overcome in the ferroelectric insulator BaTiO3, which is the same insulator used in this paper.