Yuan-chih Wu | National Chiayi University (original) (raw)

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Papers by Yuan-chih Wu

ACS Applied Electronic Materials

Multiferroic materials have shown significant potential for next generation nanoelectronic and mu... more Multiferroic materials have shown significant potential for next generation nanoelectronic and multifunctional devices due to their coexistent order parameters and versatile tunabilities. Nevertheless, the selectivity of the room temperature multiferroics is extremely limited. In this manner, single-phase solid-solution-type multiferroics that are composed by distinct oxides exhibiting either ferroelectricity or ferromagnetism individually have offered an alternative route toward the advancement of room temperature multiferroic systems. In this work, single crystalline lead iron tantalate lead zirconate titanate (PZTFT) thin films have been investigated for broadening the advancement of room temperature solidsolution multiferroics. The PZTFT thin films have been grown by pulsed laser deposition, while the ferroelectric and ferromagnetic properties are revealed by a combination of scanning probe microscopy and synchrotron-based X-ray absorption spectroscopy. Our results have further revealed remarkable fatigue and retention behaviors of PZTFT thin film, suggesting its potent role for practical applications.

Nature Materials

Controlling ferroic orders (ferroelectricity, ferromagnetism, and ferroelasticity) by optical met... more Controlling ferroic orders (ferroelectricity, ferromagnetism, and ferroelasticity) by optical methods is a significant challenge due to the large mismatch in energy scales between order parameter coupling strengths and incident photons. Here, we demonstrate an approach to manipulate multiple ferroic orders in epitaxial mixed-phase BiFeO 3 thin film at ambient temperature via laser illumination. Phase-field simulations indicate that a light driven flexoelectric

Nature Materials, May 6, 2019

Controlling ferroic orders (ferroelectricity, ferromagnetism, and ferroelasticity) by optical met... more Controlling ferroic orders (ferroelectricity, ferromagnetism, and ferroelasticity) by optical methods is a significant challenge due to the large mismatch in energy scales between order parameter coupling strengths and incident photons. Here, we demonstrate an approach to manipulate multiple ferroic orders in epitaxial mixed-phase BiFeO 3 thin film at ambient temperature via laser illumination. Phase-field simulations indicate that a light driven flexoelectric

ACS Applied Electronic Materials

Multiferroic materials have shown significant potential for next generation nanoelectronic and mu... more Multiferroic materials have shown significant potential for next generation nanoelectronic and multifunctional devices due to their coexistent order parameters and versatile tunabilities. Nevertheless, the selectivity of the room temperature multiferroics is extremely limited. In this manner, single-phase solid-solution-type multiferroics that are composed by distinct oxides exhibiting either ferroelectricity or ferromagnetism individually have offered an alternative route toward the advancement of room temperature multiferroic systems. In this work, single crystalline lead iron tantalate lead zirconate titanate (PZTFT) thin films have been investigated for broadening the advancement of room temperature solidsolution multiferroics. The PZTFT thin films have been grown by pulsed laser deposition, while the ferroelectric and ferromagnetic properties are revealed by a combination of scanning probe microscopy and synchrotron-based X-ray absorption spectroscopy. Our results have further revealed remarkable fatigue and retention behaviors of PZTFT thin film, suggesting its potent role for practical applications.

Nature Materials

Controlling ferroic orders (ferroelectricity, ferromagnetism, and ferroelasticity) by optical met... more Controlling ferroic orders (ferroelectricity, ferromagnetism, and ferroelasticity) by optical methods is a significant challenge due to the large mismatch in energy scales between order parameter coupling strengths and incident photons. Here, we demonstrate an approach to manipulate multiple ferroic orders in epitaxial mixed-phase BiFeO 3 thin film at ambient temperature via laser illumination. Phase-field simulations indicate that a light driven flexoelectric

Nature Materials, May 6, 2019

Controlling ferroic orders (ferroelectricity, ferromagnetism, and ferroelasticity) by optical met... more Controlling ferroic orders (ferroelectricity, ferromagnetism, and ferroelasticity) by optical methods is a significant challenge due to the large mismatch in energy scales between order parameter coupling strengths and incident photons. Here, we demonstrate an approach to manipulate multiple ferroic orders in epitaxial mixed-phase BiFeO 3 thin film at ambient temperature via laser illumination. Phase-field simulations indicate that a light driven flexoelectric

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