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Results: 16
Giant Enhancement of Polarization and Strong Improvement of Retention in Epitaxial Ba$_{0.6}$Sr$_{0.4}$TiO$_{3}$-Based Nanocomposites
In Ba$_{0.6}$Sr$_{0.4}$TiO$_{3}$ (BSTO)-based epitaxial nanocomposite films increased P r values are demonstrated by up to a factor of 3 compared to standard BSTO films. A strongly reduced temperature coefficient of polarization...
Dielectric films for high performance capacitive energy storage
Dielectric capacitors are fundamental components in electronic and electrical systems due to their high-rate charging/discharging character and ultrahigh power density. Film dielectrics possess larger breakdown strength and...
Heterostrain-enabled ultrahigh electrostrain in lead-free piezoelectric.
Wei Feng, Bingcheng Luo, Shuaishuai Bian, Enke Tian, Zili Zhang, Ahmed Kursumovic, Judith L Macmanus-Driscoll, Xiaohui Wang, Longtu Li
Sep 29, 2022
Piezoelectric materials provide high strain and large driving forces in actuators and can transform electrical energy into mechanical energy. Although they were discovered over 100 years ago, scientists are still searching for...
Tuning the band gap and carrier concentration of titania films grown by spatial atomic layer deposition
Claire Armstrong, Louis-Vincent Delumeau, David Muñoz-Rojas, Ahmed Kursumovic, Judith MacManus-Driscoll, Kevin P Musselman
Nov 08, 2021
Spatial atomic layer deposition retains the advantages of conventional atomic layer deposition: conformal, pinhole-free films and excellent control over thickness. Additionally, it allows higher deposition rates and is...
Heterostrain-enabled ultrahigh electrostrain in lead-free piezoelectric.
Wei Feng, Bingcheng Luo, Shuaishuai Bian, Enke Tian, Zili Zhang, Ahmed Kursumovic, Judith L Macmanus-Driscoll, Xiaohui Wang, Longtu Li
Sep 02, 2022
Piezoelectric materials provide high strain and large driving forces in actuators and can transform electrical energy into mechanical energy. Although they were discovered over 100 years ago, scientists are still searching for...
Self-assembled oxide films with tailored nanoscale ionic and electronic channels for controlled resistive switching.
Seungho Cho, Chao Yun, Stefan Tappertzhofen, Ahmed Kursumovic, Shinbuhm Lee, Ping Lu, Quanxi Jia, Meng Fan, Jie Jian, Haiyan Wang, Stephan Hofmann, Judith L Macmanus-Driscoll
Jul 29, 2016
Nanoengineering room temperature ferroelectricity into orthorhombic SmMnO 3 films
Eun-Mi Choi, Tuhin Maity, Ahmed Kursumovic, Ping Lu, Zenxhing Bi, Shukai Yu, Yoonsang Park, Bonan Zhu, Rui Wu, Venkatraman Gopalan, Haiyan Wang, Judith L. MacManus-Driscoll
May 05, 2021
Abstract: Orthorhombic RMnO3 (R = rare-earth cation) compounds are type-II multiferroics induced by inversion-symmetry-breaking of spin order. They hold promise for magneto-electric devices. However, no spontaneous...
Room Temperature Ferrimagnetism and Ferroelectricity in Strained, Thin Films of BiFe0.5Mn0.5O3.
Eun-Mi Choi, Thomas Fix, Ahmed Kursumovic, Christy J Kinane, Darío Arena, Suman-Lata Sahonta, Zhenxing Bi, Jie Xiong, Li Yan, Jun-Sik Lee, Haiyan Wang, Sean Langridge, Young-Min Kim, Albina Y Borisevich, Ian MacLaren, Quentin M Ramasse, Mark G Blamire, Quanxi Jia, Judith L Macmanus-Driscoll
Sep 12, 2014