Journal ArticleDOI
Diisopropylammonium Chloride: A Ferroelectric Organic Salt with a High Phase Transition Temperature and Practical Utilization Level of Spontaneous Polarization
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TLDR
A simple organic salt, diisopropylammonium chloride, shows the highest ferroelectric phase transition temperature among molecule-based ferroelectrics with a large spontaneous polarization, making it a candidate for practical technological applications.Abstract:
A simple organic salt, diisopropylammonium chloride, shows the highest ferroelectric phase transition temperature among molecule-based ferroelectrics with a large spontaneous polarization, making it a candidate for practical technological applications.read more
Citations
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Journal ArticleDOI
Diisopropylammonium Bromide Is a High-Temperature Molecular Ferroelectric Crystal
Da Wei Fu,Hong-Ling Cai,Yuanming Liu,Qiong Ye,Wen Zhang,Yi Zhang,Xue Yuan Chen,Gianluca Giovannetti,Massimo Capone,Jiangyu Li,Ren-Gen Xiong +10 more
TL;DR: DIPAB is a molecular alternative to perovskite ferroelectrics and ferroelectric polymers in sensing, actuation, data storage, electro-optics, and molecular or flexible electronics and exhibits good piezoelectric response and well-defined ferro electric domains.
Journal ArticleDOI
Metal-free three-dimensional perovskite ferroelectrics
Heng-Yun Ye,Yuan-Yuan Tang,Peng-Fei Li,Wei-Qiang Liao,Wei-Qiang Liao,Ji-Xing Gao,Xiu-Ni Hua,Hu Cai,Ping-Ping Shi,Ping-Ping Shi,Yu-Meng You,Ren-Gen Xiong,Ren-Gen Xiong +12 more
TL;DR: A family of metal-free organic perovskite ferroelectrics with the characteristic three-dimensional structure is found, among which MDABCO (N-methyl-N'-diazabicyclo[2.2]octonium)–ammonium triiodide has a spontaneous polarization, which makes it attractive for use in flexible devices, soft robotics, biomedical devices, and other applications.
Journal ArticleDOI
A lead-halide perovskite molecular ferroelectric semiconductor
Wei-Qiang Liao,Yi Zhang,Chun-Li Hu,Jiang-Gao Mao,Heng-Yun Ye,Peng-Fei Li,Songping D. Huang,Ren-Gen Xiong +7 more
TL;DR: Pb-layered perovskite (benzylammonium)2PbCl4 is ferroelectric with semiconducting behaviours, and this finding throws light on the new properties of the hybrid organo-plumbate or stannate compounds and provides a new way to develop new semiconductor ferroelectrics.
Journal ArticleDOI
Symmetry breaking in molecular ferroelectrics
Ping-Ping Shi,Yuan-Yuan Tang,Peng-Fei Li,Wei-Qiang Liao,Zhong-Xia Wang,Qiong Ye,Ren-Gen Xiong +6 more
TL;DR: This review summarizes recent developments in molecular ferroelectrics since 2011 and focuses on the relationship between symmetry breaking and ferroelectricity, offering ideas for exploring high-performance molecular ferryelectrics.
Journal ArticleDOI
Highly Efficient Red-Light Emission in An Organic-Inorganic Hybrid Ferroelectric: (Pyrrolidinium)MnCl₃.
TL;DR: A hybrid molecular ferroElectric, (pyrrolidinium)MnCl3, is reported, which exhibits excellent ferroelectricity with a saturation polarization of 5.5 μC/cm(2) as well as intense red luminescence with high quantum yield of 56% under a UV excitation, which may extend the application of organic-inorganic hybrid compounds to the field of ferro electric luminescent and/or multifunctional devices.
References
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Journal ArticleDOI
Observation of coupled magnetic and electric domains
TL;DR: Spatial maps of coupled antiferromagnetic and ferroelectric domains in YMnO3 are obtained by imaging with optical second harmonic generation and lead to a configuration that is dominated by the ferroelectromagnetic product of the order parameters.
Journal ArticleDOI
Ferroelectric properties of vinylidene fluoride copolymers
TL;DR: In this article, the ferroelectric properties of copolymers of vinylidene fluoride with trifluoroethylene and tetrafluorethylene are described with special interest in their polarization reversal and phase transition behavior.
Journal ArticleDOI
Piezo-Electric and Allied Phenomena in Rochelle Salt
TL;DR: In this article, the doublet theory of dielectric action is applied to Rochelle salt and the moment per unit volume in the natural state is of the order of 50 e.s.
Journal ArticleDOI
Above-room-temperature ferroelectricity in a single-component molecular crystal
Sachio Horiuchi,Yusuke Tokunaga,Gianluca Giovannetti,Silvia Picozzi,Hirotake Itoh,Ryo Shimano,Reiji Kumai,Yoshinori Tokura,Yoshinori Tokura +8 more
TL;DR: It is demonstrated that application of an electric field can coherently align the molecular polarities in crystalline croconic acid, as indicated by an increase of optical second harmonic generation, and produce a well-defined polarization hysteresis at room temperature.
Journal ArticleDOI
A strong ferroelectric ferromagnet created by means of spin–lattice coupling
June Hyuk Lee,June Hyuk Lee,Lei Fang,Eftihia Vlahos,Xianglin Ke,Young Woo Jung,Lena F. Kourkoutis,Jong-Woo Kim,Philip Ryan,Tassilo Heeg,M. Roeckerath,Veronica Goian,M. Bernhagen,Reinhard Uecker,P. Chris Hammel,Karin M. Rabe,Stanislav Kamba,Jürgen Schubert,John W. Freeland,David A. Muller,Craig J. Fennie,Peter Schiffer,Venkatraman Gopalan,Ezekiel Johnston-Halperin,Darrell G. Schlom +24 more
TL;DR: This work demonstrates that a single experimental parameter, strain, simultaneously controls multiple order parameters and is a viable alternative tuning parameter to composition for creating multiferroics.