Large enhancement of ferroelectric properties of perovskite oxides via nitrogen incorporation
Tao Wang; Fenghui Gong; Xue Ma; Shen Pan; Xian-Kui Wei; Changyang Kuo; Suguru Yoshida; Yu-Chieh Ku; Shuai Wang; Zhenni Yang; Sankalpa Hazra; Kelvin H. L. Zhang; Xingjun Liu; Yunlong Tang; Yin-Lian Zhu; Chun-Fu Chang; Sujit Das; Xiuliang Ma; Lang Chen; Bin Xu; Venkatraman Gopalan; Laurent Bellaiche; Lane W. Martin; Zuhuang Chen
Science Advances, 10 Jan. 2025, Peer-reviewed
Discovery of a layered multiferroic compound Cu1−xMn1+ySiTe3 with strong magnetoelectric coupling
Chandan De; Yu Liu; Sai Venkata Gayathri Ayyagari; Boyang Zheng; Kyle P. Kelley; Sankalpa Hazra; Jingyang He; Sylwia Pawledzio; Subin Mali; Samaresh Guchhait; Suguru Yoshida; Yingdong Guan; Seng Huat Lee; Milos Sretenovic; Xianglin Ke; Le Wang; Mark H. Engelhard; Yingge Du; Weiwei Xie; Xiaoping Wang; Vincent H. Crespi; Nasim Alem; Venkatraman Gopalan; Qiang Zhang; Zhiqiang Mao
Science Advances, 03 Jan. 2025, Peer-reviewed
Structural frustration effects by mixed alkali ions in ferroelectric Dion–Jacobson layered perovskites (Cs,Rb)NdNb2O7
Zhen-Tao Lu; Sota Asaki; Suguru Yoshida; Chikako Moriyoshi; George Hasegawa; Koji Fujita; Venkatraman Gopalan; Katsuro Hayashi; Hirofumi Akamatsu
Journal of Materials Chemistry C, 2025, Peer-reviewed
Zn2MnSbO6 and Zn2FeSbO6: Two New Polar High-Pressure Ordered Corundum-Type Compounds
Alessia Provino; Thomas J. Emge; David Walker; Corey E. Frank; Suguru Yoshida; Venkatraman Gopalan; Mark Croft; Zheng Deng; Changqing Jin; Pietro Manfrinetti; Martha Greenblatt
Chemistry of Materials, 03 Dec. 2024, Peer-reviewed
Wide‐Bandgap RBa3(B3O6)3 (R = Nd, Sm, Tb, Dy, and Er) Single Crystals for Ultraviolet Nonlinear Optics
Ferroelectricity of Dion–Jacobson layered perovskites CsNdNb2O7 and RbNdNb2O7
Sota Asaki; Hirofumi Akamatsu; George Hasegawa; Tomohiro Abe; Yuki Nakahira; Suguru Yoshida; Chikako Moriyoshi; Katsuro Hayashi
Japanese Journal of Applied Physics, 27 Aug. 2020, Peer-reviewed
Hybrid Improper Ferroelectricity in (Sr,Ca)3Sn2O7 and Beyond: Universal Relationship between Ferroelectric Transition Temperature and Tolerance Factor in n = 2 Ruddlesden–Popper Phases
Suguru Yoshida; Hirofumi Akamatsu; Ryosuke Tsuji; Olivier Hernandez; Haricharan Padmanabhan; Arnab Sen Gupta; Alexandra S. Gibbs; Ko Mibu; Shunsuke Murai; James M. Rondinelli; Venkatraman Gopalan; Katsuhisa Tanaka; Koji Fujita
Journal of the American Chemical Society, 23 Oct. 2018, Peer-reviewed, Lead author
Ferroelectric Sr3Zr2O7: Competition between Hybrid Improper Ferroelectric and Antiferroelectric Mechanisms
Suguru Yoshida; Koji Fujita; Hirofumi Akamatsu; Olivier Hernandez; Arnab Sen Gupta; Forrest G. Brown; Haricharan Padmanabhan; Alexandra S. Gibbs; Toshihiro Kuge; Ryosuke Tsuji; Shunsuke Murai; James M. Rondinelli; Venkatraman Gopalan; Katsuhisa Tanaka
Advanced Functional Materials, 28 May 2018, Peer-reviewed, Lead author
Perovskite-Type InCoO3 with Low-Spin Co3+: Effect of In–O Covalency on Structural Stabilization in Comparison with Rare-Earth Series
Competing Structural Instabilities in the Ruddlesden–Popper Derivatives HRTiO4 (R = Rare Earths): Oxygen Octahedral Rotations Inducing Noncentrosymmetricity and Layer Sliding Retaining Centrosymmetricity
Arnab Sen Gupta; Hirofumi Akamatsu; Forrest G. Brown; Minh An T. Nguyen; Megan E. Strayer; Saul Lapidus; Suguru Yoshida; Koji Fujita; Katsuhisa Tanaka; Isao Tanaka; Thomas E. Mallouk; Venkatraman Gopalan
Chemistry of Materials, 20 Dec. 2016, Peer-reviewed