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Journal articles on the topic 'Ferroelectric-loop'

Author: Grafiati

Published: 6 September 2023

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1

Nishimura, Kiyoshi, Takaaki Fuchikami, and Kazuhiro Hoshiba. "A ferroelectric hysteresis loop model." Electronics and Communications in Japan (Part II: Electronics) 80, no. 10 (1997): 1–8. http://dx.doi.org/10.1002/(sici)1520-6432(199710)80:10<1::aid-ecjb1>3.0.co;2-c.

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2

Kim, Bora, Daehee Seol, Shinbuhm Lee, Ho Nyung Lee, and Yunseok Kim. "Ferroelectric-like hysteresis loop originated from non-ferroelectric effects." Applied Physics Letters 109, no. 10 (2016): 102901. http://dx.doi.org/10.1063/1.4962387.

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3

Unruan, Muangjai, R. Wongmaneerung, Yongyut Laosiritaworn, Supon Ananta, and Rattikorn Yimnirun. "Changes in Ferroelectric Properties of 0.7PMN–0.3PT Ceramic with Compressive Stress." Advanced Materials Research 55-57 (August 2008): 277–80. http://dx.doi.org/10.4028/www.scientific.net/amr.55-57.277.

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In this work, effects of compressive stress on the ferroelectric properties of 0.7PMN–0.3PT ceramics were investigated. The ceramics with the formula (0.7)Pb(Mg1/3Nb2/3)O3-(0.3)PbTiO were prepared by a conventional mixed-oxide method. The ferroelectric properties under compressive stress were observed at stress up to 80 MPa using a compressometer in conjunction with a modified Sawyer-Tower circuit. The results showed that applied stress had a significant influence on the ferroelectric properties of 0.7PMN–0.3PT ceramics. Ferroelectric characteristics, i.e. the area of the ferroelectric hystere

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4

Kumar, Neeraj, and Rabinder Nath. "Ferroelectric and Electrical Properties of Potassium Nitrate Thin Composite Layers." Advanced Materials Research 403-408 (November 2011): 607–17. http://dx.doi.org/10.4028/www.scientific.net/amr.403-408.607.

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The ferroelectric and electrical properties of potassium nitrate (KNO3): polyvinylidene fluoride (PVDF) composite layers prepared by melt press method have been studied. The stability of ferroelectric phase (phase –III) of potassium nitrate (KNO3) in the composite layers at room temperature have been analyzed. The temperature dependence of ferroelectric hysteresis loop (P-E) characteristics have been investigated in the composite layers. The electrical conductivity (σ) and dielectric behaviour of composite layers have been characterized. The conductivity and dielectric variation with temperatu

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5

Pintilie, L., and M. Alexe. "Ferroelectric-like hysteresis loop in nonferroelectric systems." Applied Physics Letters 87, no. 11 (2005): 112903. http://dx.doi.org/10.1063/1.2045543.

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6

Itskovsky, M. A. "Pyroelectric hysteresis loop at ferroelectric phase transition." Journal of Applied Physics 85, no. 8 (1999): 4256–58. http://dx.doi.org/10.1063/1.370339.

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7

Cui, Lian, Haiying Cui, and Yuchun Li. "Dynamic hysteresis loop in a ferroelectric heterostructure." Chinese Journal of Physics 56, no. 1 (2018): 185–92. http://dx.doi.org/10.1016/j.cjph.2017.12.009.

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8

Nishimura, Kiyoshi. "Ferroelectric hysteresis loop model of imprint properties." Electronics and Communications in Japan (Part II: Electronics) 82, no. 10 (1999): 27–34. http://dx.doi.org/10.1002/(sici)1520-6432(199910)82:10<27::aid-ecjb4>3.0.co;2-j.

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9

Kour, P., and S. K. Sinha. "Studies of Sr2+ ion substitution on ferroelectric and piezoelectric properties of PZT nanocrystalline." Cerâmica 59, no. 349 (2013): 34–38. http://dx.doi.org/10.1590/s0366-69132013000100004.

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Strontium substituted lead zirconate titanate nanocrystalline material with chemical formula Pb0.95Sr0.05 (Zr0.52Ti0.48) O3 have been synthesized by alkoxide based sol gel method. The product was characterized by differential thermal analysis, thermogravimetric analysis, powder X-ray diffraction and scanning electron microscopy. The ferroelectric hysteresis loop measurement was carried out at room temperature using ferroelectric loop tracer over a field range of 20 kV/cm. The remanent polarization Pr, saturation polarization Pmax and coercive field Ec were 12.97 µC/cm², 30.52 µC/cm² and 6.5 kV

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10

KASHYAP, RAMAN, TANUJ DHAWAN, PRIKSHIT GAUTAM, O. P. THAKUR, N. C. MEHRA, and R. P. TANDON. "EFFECT OF PROCESSING CONDITIONS ON ELECTRICAL PROPERTIES OF CaCu3Ti4O12 CERAMICS." Modern Physics Letters B 24, no. 12 (2010): 1267–73. http://dx.doi.org/10.1142/s021798491002327x.

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CaCu 3 Ti 4 O 12 ( CCTO ) ceramics were prepared by the solid-state reaction route. Effect of sintering time was studied on the polarization (P) versus electric field (E) behavior. Unlike conventional ferroelectric hysteresis loop, PE hysteresis behavior in CCTO ceramics was observed to exhibit ferroelectric-like loop where polarization does not saturate but gives a maximum value. Remnant polarization and maximum polarization was observed to increase with sintering time. Current (I)–voltage (V) characteristics shows a nonlinear behavior making them useful for varistor applications. Coefficient

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11

Kai, Shoichi, Tetsuya Hashimoto, Ko Ose, and Mashahide Imasaki. "Triple Hysteresis Loop of a Ferroelectric Liquid Crystal." Molecular Crystals and Liquid Crystals 130, no. 1-2 (1985): 143–62. http://dx.doi.org/10.1080/00268948508079507.

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12

Kundys, Bohdan, Antoine Maignan, Christine Martin, Ninh Nguyen та Charles Simon. "Magnetic field induced ferroelectric loop in Bi0.75Sr0.25FeO3−δ". Applied Physics Letters 92, № 11 (2008): 112905. http://dx.doi.org/10.1063/1.2890714.

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13

Changshi, Liu. "Calculation ferroelectric hysteresis loop via an explicit function." Ferroelectrics Letters Section 44, no. 1-3 (2017): 49–57. http://dx.doi.org/10.1080/07315171.2017.1320493.

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14

Das, S. K., and B. K. Roul. "Double hysteresis loop in BaTi1−xHfxO3 ferroelectric ceramics." Journal of Materials Science: Materials in Electronics 26, no. 8 (2015): 5833–38. http://dx.doi.org/10.1007/s10854-015-3143-8.

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15

Van Lich, Le, Takahiro Shimada, Shahmohammadi Sepideh, Jie Wang, and Takayuki Kitamura. "Multilevel hysteresis loop engineered with ferroelectric nano-metamaterials." Acta Materialia 125 (February 2017): 202–9. http://dx.doi.org/10.1016/j.actamat.2016.11.065.

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16

Sun, Xiaofan, Cuiping Xu, Zheng Tang, et al. "A novel way to eliminate the conductivity effect of polycrystalline ferroelectric material." Journal of Applied Physics 132, no. 19 (2022): 194103. http://dx.doi.org/10.1063/5.0120805.

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The double-wave method is widely used in ferroelectric measurements to eliminate the effects of conductance and capacitance components while preserving the ferroelectric domain contribution. However, in polycrystalline ferroelectric material, the assumption of the evolution of domains by the double-wave method no longer applies due to the domain back switch of de-field, and the domain contribution calculated by the current subtraction method is also problematic. Therefore, we proposed a new method to calculate the charge contribution of conductance and eliminate the conductance interference in

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17

Meereboer, Niels L., Ivan Terzić, and Katja Loos. "Tuning the dielectric behavior of poly(vinylidene fluoride-co-vinyl alcohol) using a facile urethane-based crosslinking method." Polymer Chemistry 10, no. 11 (2019): 1335–43. http://dx.doi.org/10.1039/c8py01802b.

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18

Prasertpalichat, Sasiporn, Muangjai Unruan, J. Tungsritrakul, and Rattikorn Yimnirun. "Ferroelectric and Dielectric Aging Effects of Fe³⁺/Nb⁵⁺ Hybrid-Doped Barium Titanate Ceramics." Advanced Materials Research 55-57 (August 2008): 233–36. http://dx.doi.org/10.4028/www.scientific.net/amr.55-57.233.

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It is well known that acceptor and donor doping results in opposite ferroelectric aging effects; however, the aging effects in hybrid-doped (acceptor+donor) has remained unclear. Thus, the aging effect of dielectric and ferroelectric properties in Fe3+/Nb5+ hybrid-doped BaTiO3 ceramics was investigated in this research. The concentration of acceptor dopant (Fe3+) was fixed at 1 mol% while that of donor dopant (Nb5+) was varied from 0.5-2.0 mol%. XRD technique was used to study the phase morphology. Before measuring dielectric and ferroelectric aging effect, all samples were deaged at 250 °C fo

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19

Фрейдман, А. Л., И. Н. Хороший та М. И. Колков. "Сегнетоэлектрический гистерезис и магнитоэлектрический эффект в орторомбических монокристаллах Dy-=SUB=-1-x-=/SUB=-Ho-=SUB=-x-=/SUB=-MnO-=SUB=-3-=/SUB=-". Физика твердого тела 64, № 12 (2022): 1967. http://dx.doi.org/10.21883/ftt.2022.12.53650.454.

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In Dy1-xHoxMnO3 single crystals with the orthorhombic space group Pbnm, ferroelectric hysteresis loops were measured for compositions with x=0 and 0.3. As the content of Ho3+ ions increases, the hysteresis loop narrows and for x=0.3 it no longer manifests itself. An analysis of the signal corresponding to the hysteretic behavior of a ferroelectric showed that even harmonics can be obtained only if the hysteresis loop is not symmetric about the abscissa axis. In view of the latter, the hypothesis that the second harmonic of the magnetoelectric effect is a consequence of the complex dependence o

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20

Freydman A. L., Horoshiy I. N., and Kolkov M. I. "Ferroelectric hysteresis and magnetoelectric effect in orthorhombic Dy-=SUB=-1-x-=/SUB=-Ho-=SUB=-x-=/SUB=-MnO-=SUB=-3-=/SUB=- single crystals." Physics of the Solid State 64, no. 12 (2022): 1935. http://dx.doi.org/10.21883/pss.2022.12.54389.454.

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In Dy1-xHoxMnO3 single crystals with the orthorhombic space group Pbnm, ferroelectric hysteresis loops were measured for compositions with x=0 and 0.3. As the content of Ho3+ ions increases, the hysteresis loop narrows and for x=0.3 it no longer manifests itself. An analysis of the signal corresponding to the hysteretic behavior of a ferroelectric showed that even harmonics can be obtained only if the hysteresis loop is not symmetric about the abscissa axis. In view of the latter, the hypothesis that the second harmonic of the magnetoelectric effect is a consequence of the complex dependence o

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21

Naushin, Nushrat, Sadi Md Shahriar, Oishy Roy, and Ahmed Sharif. "Modification in Structural, Morphological, Magnetic and Ferroelectric Properties of Calcium-Doped Bismuth Ferrite Nanoparticles." Journal of Engineering Science 11, no. 1 (2020): 123–31. http://dx.doi.org/10.3329/jes.v11i1.49555.

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The structural, morphological, magnetic and ferroelectric properties of calcium (Ca) doped bismuth ferrite (BFO) synthesized using a sol-gel method were studied. X-ray diffraction (XRD) analysis followed by Rietveld refinement revealed the lattice distortion of BFO after doping with 6% and 8% Ca. This also led to the reduction in particle size by creating oxygen vacancies, which was observed from the surface morphology using Field Emission Scanning Electron Microscopy (FESEM). The Magnetic properties exhibited some enhancements in saturation magnetization when the particle size was near a limi

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22

Xia, Bin, Xi Yun He, Da Zhi Sun, Wen Xiu Cheng, Ping Sun Qiu, and Xia Zeng. "Evidence of Normal to Anti Ferroelectric Phase Transition of PLZT Transparent Ceramics of Different Zr/Ti Ratio." Key Engineering Materials 697 (July 2016): 223–26. http://dx.doi.org/10.4028/www.scientific.net/kem.697.223.

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The lanthanum-modified lead zirconate titanate transparent ceramics with different Zr/Ti ratio were prepared by the hot pressing sintering method. A single perovskive structure with a dense microsctructure was obtained and the transgranular fracture of PLZT ceramics tended to be more serious As the Zr/Ti ratio increases, the transmittance of PLZT ceramics tended to be higher and the transgranular fracture became more serious. The P-E loops changed froe a square hysteresis loop to a double tending slim hysteresis loop. Besides,the S-E loops changed from a approximate parabolic shape to a butter

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23

Bochenek, D., P. Niemiec, R. Zachariasz, A. Chrobak, and G. Ziółkowski. "Ferroelectric–Ferromagnetic Composites Based on PZT Type Powder and Ferrite Powder." Archives of Metallurgy and Materials 58, no. 4 (2013): 1013–17. http://dx.doi.org/10.2478/amm-2013-0119.

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Abstract A ferroelectric-ferromagnetic composites based on PZT powder have been obtained in presented work. The main aim of combination of ferroelectric and magnetic powders was to obtain material showing both electric and magnetic properties. Ferroelectric ceramic powder (in amount of 90%) was based on the doped PZT type solid solution while magnetic component of the composite was nickel-zinc ferrite Ni1-x ZnxFe2O4 (in amount of 10%). The synthesis of components of ferroelectric-ferromagnetic composite was performed using the solid phase sintering. Final densification of synthesized powder ha

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24

Chunarrom, Wannida, and Hathaikarn Manuspiya. "The dielectric and polarization behavior of polyurethane-based polycarbonate diols with different content levels of fluorinated hard segments." Polymer Chemistry 12, no. 8 (2021): 1136–46. http://dx.doi.org/10.1039/d0py01682a.

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25

Su, Y., and G. J. Weng. "A polycrystal hysteresis model for ferroelectric ceramics." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 462, no. 2069 (2006): 1573–92. http://dx.doi.org/10.1098/rspa.2005.1616.

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Most key elements of ferroelectric properties are defined through the hysteresis loops. For a ferroelectric ceramic, its loop is contributed collectively by its constituent grains, each having its own hysteresis loop when the ceramic polycrystal is under a cyclic electric field. In this paper, we propose a polycrystal hysteresis model so that the hysteresis loop of a ceramic can be calculated from the loops of its constituent grains. In this model a micromechanics-based thermodynamic approach is developed to determine the hysteresis behaviour of the constituent grains, and a self-consistent sc

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26

ZHENG, R. Y., J. WANG, and S. RAMAKRISHNA. "RF SPUTTERED BISMUTH FERRITE THIN FILMS: EFFECT OF ANNEALING DURATION." Functional Materials Letters 01, no. 03 (2008): 221–24. http://dx.doi.org/10.1142/s1793604708000447.

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Polycrystalline BFO thin films of similar thickness but subjected to different annealing durations (2 hr and 4 hr) were deposited on SRO / Pt / TiO 2/ SiO 2/ Si substrates via RF sputtering. Phase identification by using X-ray diffractions confirms the pure BFO phase of the thin films fabricated. Polarization–Electric Field (P–E) loop study measured at different frequencies shows that a longer annealing duration led to the formation of space charges in the BFO thin films and thus caused a poor ferroelectric property observed in the hysteresis loop. The results of leakage current measurement fo

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27

Ryding, Stephanie, Robert Cernik, Jenny Wooldridge, et al. "Simultaneous measurement of X-ray powder diffraction and ferroelectric polarisation data as a function of applied electric field at a range of frequencies." Powder Diffraction 28, S2 (2013): S220—S227. http://dx.doi.org/10.1017/s0885715613001024.

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A variable frequency ferroelectric polarisation measurement system has been designed and built at the UK's Diamond Light Source. The electric field induced phase transitions in Pb(Zr1−xTix)O3 (PZT) have been used to test the facility via in-situ measurements of electric polarisation and XRD. Stroboscopic and real time data collection methods on polycrystalline samples were employed as a function of frequency to determine the dynamic ferroelectric response. The system has been shown to deliver XRD patterns of good statistical quality measured over 40 points of a ferroelectric PE loop. The syste

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28

Wang Long-Hai, Yu Jun, Wang Yun-Bo, Peng Gang, Liu Feng, and Gao Jun-Xiong. "A model of ferroelectric capacitors based on hysteresis loop." Acta Physica Sinica 54, no. 2 (2005): 949. http://dx.doi.org/10.7498/aps.54.949.

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29

Zheng, Lirong, Chenglu Lin, W. ‐Ping Xu, and Masanori Okuyama. "Vertical drift ofP–Ehysteresis loop in asymmetric ferroelectric capacitors." Journal of Applied Physics 79, no. 11 (1996): 8634–37. http://dx.doi.org/10.1063/1.362485.

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30

Parravicini, Jacopo, Lucia Fornasari, Eugenio DelRe, Franco Marabelli, Aharon J. Agranat, and Gianbattista Parravicini. "Evidence of double-loop hysteresis in disordered ferroelectric crystal." Journal of Applied Physics 127, no. 18 (2020): 184107. http://dx.doi.org/10.1063/1.5143524.

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31

Sucharitakul, Sukrit, Rattikorn Yimnirun, and Yongyut Laosiritaworn. "Acceptor-Doped Ferroelectric Modeling via Monte Carlo Simulation." Key Engineering Materials 421-422 (December 2009): 231–34. http://dx.doi.org/10.4028/www.scientific.net/kem.421-422.231.

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A 2D Monte Carlo simulation was done as an approach to get further insight of acceptor-doped ferroelectric material. By utilizing vector model allowing 14 directions of orientation for ferroelectric systems, Metropolis algorithm was applied on DIFFOUR Hamiltonian to obtain hysteresis profiles. Subjected to different concentration of acceptor dopants, power law scaling of hysteresis properties were obtained as functions of external parameters such as temperature, external field amplitude and frequency. The hysteresis loop shape and properties agreed well with those obtained experimentally.

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32

Guo, Y. Y., Y. Zhao, H. G. Zhang, and N. Zhang. "Aging-induced hysteresis loop evolution of Ba(Ti0.99Mn0.01)O3 ceramics during ferroelectric-ferroelectric transition cycle." Journal of Alloys and Compounds 696 (March 2017): 814–19. http://dx.doi.org/10.1016/j.jallcom.2016.12.055.

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33

Yang, Qianqian, Jingcong Hu, Yue-Wen Fang, et al. "Ferroelectricity in layered bismuth oxide down to 1 nanometer." Science 379, no. 6638 (2023): 1218–24. http://dx.doi.org/10.1126/science.abm5134.

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Atomic-scale ferroelectrics are of great interest for high-density electronics, particularly field-effect transistors, low-power logic, and nonvolatile memories. We devised a film with a layered structure of bismuth oxide that can stabilize the ferroelectric state down to 1 nanometer through samarium bondage. This film can be grown on a variety of substrates with a cost-effective chemical solution deposition. We observed a standard ferroelectric hysteresis loop down to a thickness of ~1 nanometer. The thin films with thicknesses that range from 1 to 4.56 nanometers possess a relatively large r

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34

Puli, Venkata Sreenivas, Dhiren K. Pradhan, Brian C. Riggs, Shiva Adireddy, Ram S. Katiyar, and Douglas B. Chrisey. "Synthesis and characterization of lead-free ternary component BST–BCT–BZT ceramic capacitors." Journal of Advanced Dielectrics 04, no. 02 (2014): 1450014. http://dx.doi.org/10.1142/s2010135x14500143.

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Polycrystalline sample of lead-free 1/3( Ba 0.70 Sr 0.30 TiO 3) + 1/3( Ba 0.70 Ca 0.30 TiO 3) + 1/3( BaZr 0.20 Ti 0.80 O 3)( BST - BCT - BZT ) ceramic was synthesized by solid state reaction method. Phase purity and crystal structure of as-synthesized materials was confirmed by X-ray diffraction (XRD). Temperature-dependent dielectric permittivity studies demonstrated frequency-independent behavior, indicating that the studied sample has typical diffuse phase transition behavior with partial thermal hysteresis. A ferroelectric phase transition between cubic and tetragonal phase was noticed nea

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35

Bochenek, Dariusz, Przemysław Niemiec, and Artur Chrobak. "Ferroelectric-Ferromagnetic Solid Solutions of PZT-Ferrite Type." Key Engineering Materials 644 (May 2015): 175–78. http://dx.doi.org/10.4028/www.scientific.net/kem.644.175.

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In presented work the ferroelectric-ferromagnetic solid solutions based on multicomponent PZT type ferroelectric powders and ferromagnetic powder (chromium-manganese-zinc ferrite) were designed and obtained. In solid solutions the ferroelectric powders have 90 percent share, while ferrite powders have 10 percent share. The syntheses of mixed components of solid solutions were performed using the solid phase method and final densification was performed by free sintering (compacting method).The XRD, the microstructure, dielectric and magnetic (and electrical hysteresis loop) investigations were

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36

Wang, Chun Mei, Hai Yang Dai, Tao Li, Ren Zhong Xue, Lei Su, and Zhen Ping Chen. "Ferroelectric Properties and Raman Scattering Spectra of Bi_1-xGd_xFeO₃ Ceramics." Advanced Materials Research 239-242 (May 2011): 1501–4. http://dx.doi.org/10.4028/www.scientific.net/amr.239-242.1501.

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Multiferroic ceramic samples of Bi1-xGdxFeO3 (x = 0, 0.05, 0.1 and 0.15) have been prepared by the rapid liquid phase sintering technique. The effect of Gd substitution on ferroelectric properties of Bi1-xGdxFeO3 ceramics has been investigated. The results of x-ray diffraction (XRD) patterns show that the single-phase BiFeO3 sample has a rhombohedral structure and Gd3+ substitution for Bi3+ has not affected the perovskite structure. Experimental results suggest that Gd3+ substitution for Bi3+ has markedly affected the Raman scattering spectra, and the ferroelectric properties of BiFeO3 are imp

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37

Puli, Venkata Sreenivas, Shiva Adireddy, Dhiren K. Pradhan, Ram S. Katiyar, and Douglas B. Chrisey. "Nanoscale Ferroelectric Switchable Polarization and Leakage Current Behavior in (Ba0.50Sr0.50)(Ti0.80Sn0.20)O3Thin Films Prepared Using Chemical Solution Deposition." Journal of Nanomaterials 2015 (2015): 1–7. http://dx.doi.org/10.1155/2015/340616.

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Nanoscale switchable ferroelectric (Ba0.50Sr0.50)(Ti0.80Sn0.20)O3-BSTS polycrystalline thin films with a perovskite structure were prepared on Pt/TiOx/SiO2/Si substrate by chemical solution deposition. X-ray diffraction (XRD) spectra indicate that a cubic perovskite crystalline structure and Raman spectra revealed that a tetragonal perovskite crystalline structure is present in the thin films. Sr2+and Sn4+cosubstituted film exhibited the lowest leakage current density. Piezoresponse Force Microscopy (PFM) technique has been employed to acquire out-of-plane (OPP) piezoresponse images and local

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38

Makino, Narimichi, Bong Yeon Lee, Makoto Moriya, Wataru Sakamoto, Takashi Iijima, and Toshinobu Yogo. "Synthesis and Properties of Mn-Doped (Bi_0.5Na_0.5)TiO₃ Thin Films by Chemical Solution Deposition." Key Engineering Materials 582 (September 2013): 59–62. http://dx.doi.org/10.4028/www.scientific.net/kem.582.59.

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Lead-free ferroelectric (Bi0.5Na0.5)TiO3(BNT) thin films were prepared by chemical solution deposition. BNT and Mn-doped BNT precursor thin films crystallized in the perovskite single phase at 700 °C on Pt/TiOx/SiO2/Si substrates. The leakage current density of the perovskite BNT films, especially in the high applied field region, was reduced by doping with a small amount of Mn. Also, Mn doping markedly improved the ferroelectric properties of the films. 0.5 and 1.0 mol% Mn-doped BNT thin films exhibited well-shaped ferroelectric polarization (P) electric field (E) hysteresis loops at room tem

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39

Gao, Kaige, Chunlin Liu, Wei Zhang, Kangni Wang, and Wenlong Liu. "Pyroelectricity and field-induced spin-flop in (4-(Aminomethyl)pyridinium) 2 MnCl 4 · 2H 2 O." Royal Society Open Science 7, no. 5 (2020): 200271. http://dx.doi.org/10.1098/rsos.200271.

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Large single crystals of (4-(Aminomethyl)pyridinium) 2 MnCl 4 · 2H 2 O ( 1 ) were grown by slow evaporation of solution. The crystal structure was solved to be Pī, which belongs to the central symmetric space group. But small pyroelectric current was detected, as well as a ferroelectric hysteresis loop. The pyroelectric and the ferroelectric properties were attributed to the strain caused by defects. Temperature-dependent magnetic curves and the M – H curve show that 1 is antiferromagnetic ordering below 2.5 K. A field-induced spin-flop is observed in the antiferromagnetic ordering state.

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40

Wang, Zhe, Lingyan Wang, Wei Ren, et al. "The Vertically Heteroepitaxial Structure for Lead-Free Piezoelectric K0.5Na0.5NbO3 Films." Crystals 13, no. 3 (2023): 525. http://dx.doi.org/10.3390/cryst13030525.

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The effect of epitaxial strain on the electrical properties of ferroelectric films has been widely investigated. However, this kind of strain is generally attributed to the substrate clamping constraints and is easily relaxed when the thickness of films is over 100 nm. In this work, a vertically epitaxial strain was introduced into lead-free piezoelectric K0.5Na0.5NbO3 films to improve the electrical properties of ferroelectric films. Two-phase, vertically epitaxial composite KNN-ZnO thin films were grown on the (001) STO substrate using a pulsed laser deposition (PLD) method. The highly (001)

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41

Liu, Jing, and Xi Yao. "A new digital measuring system of ferroelectric hysteresis loop and field induced strain of ferroelectric materials." Ceramics International 30, no. 7 (2004): 2033–36. http://dx.doi.org/10.1016/j.ceramint.2003.12.165.

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42

Botea, Mihaela, Cristina Chirila, Georgia Andra Boni, et al. "Lead-Free BiFeO3 Thin Film: Ferroelectric and Pyroelectric Properties." Electronic Materials 3, no. 2 (2022): 173–84. http://dx.doi.org/10.3390/electronicmat3020015.

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The ferroelectric and pyroelectric properties of bismuth ferrite (BFO) epitaxial thin film have been investigated. The ferroelectric epitaxial thin layer has been deposited on strontium titanate (STO) (001) substrate by pulsed laser deposition, in a capacitor geometry using as top and bottom electrode a conductive oxide of strontium ruthenate (SRO). The structural characterizations performed by X-ray diffraction and atomic force microscopy demonstrate the epitaxial character of the ferroelectric thin film. The macroscopic ferroelectric characterization of BFO revealed a rectangular shape of a

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43

Zhu, Ruijian, Qianzi Yang, Dandan Zhu, Yaning Shen, Zengmei Wang, and Zhenxiang Cheng. "Electrode free hysteresis loop measurement of small dimensional ferroelectric materials." Materials Today Communications 31 (June 2022): 103842. http://dx.doi.org/10.1016/j.mtcomm.2022.103842.

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Li, Hsiao-Yun, Shiu-Cheng Chen, Hai-Ping Chen, Wei-Cheng Ran, and Jia-Shiang Fu. "A frequency-reconfigurable slot loop antenna using ferroelectric MIM capacitors." IEICE Electronics Express 10, no. 16 (2013): 20130521. http://dx.doi.org/10.1587/elex.10.20130521.

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Yu, Gang, Xuefeng Chen, Genshui Wang, and Xianlin Dong. "Scaling Behavior of Ferroelectric Hysteresis Loop in 63PbTiO3–37BiScO3Bulk Ceramic." Ferroelectrics 403, no. 1 (2010): 219–24. http://dx.doi.org/10.1080/00150191003760803.

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You, Wei-Xiang, and Pin Su. "Depolarization Field in Ferroelectric Nonvolatile Memory Considering Minor Loop Operation." IEEE Electron Device Letters 40, no. 9 (2019): 1415–18. http://dx.doi.org/10.1109/led.2019.2929277.

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Kim, Do-Hyun, and Jong-Jean Kim. "Dynamic scaling of hysteresis loop areas in ferroelectric KDP crystal." Ferroelectrics 222, no. 1 (1999): 285–93. http://dx.doi.org/10.1080/00150199908014828.

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Ma, Zhi, Yanan Ma, Zhipeng Chen, et al. "Modeling of hysteresis loop and its applications in ferroelectric materials." Ceramics International 44, no. 4 (2018): 4338–43. http://dx.doi.org/10.1016/j.ceramint.2017.12.027.

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Hueting, Raymond. "The Balancing Act in Ferroelectric Transistors: How Hard Can It Be?" Micromachines 9, no. 11 (2018): 582. http://dx.doi.org/10.3390/mi9110582.

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For some years now, the ever continuing dimensional scaling has no longer been considered to be sufficient for the realization of advanced CMOS devices. Alternative approaches, such as employing new materials and introducing new device architectures, appear to be the way to go forward. A currently hot approach is to employ ferroelectric materials for obtaining a positive feedback in the gate control of a switch. This work elaborates on two device architectures based on this approach: the negative-capacitance and the piezoelectric field-effect transistor, i.e., the NC-FET (negative-capacitance

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Гусев, Н. С., М. В. Сапожников, О. Г. Удалов, И. Ю. Пашенькин та П. А. Юнин. "Магнитоэлектрический эффект в гибридных системах сегнетоэлектрик/ферромагнитная пленка с анизотропией типа "легкая плоскость" и "легкая ось"". Журнал технической физики 90, № 11 (2020): 1917. http://dx.doi.org/10.21883/jtf.2020.11.49984.124-20.

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We studied the striction magnetoelectric effect in hybrid systems consisting of a magnetic film deposited on the ferroelectric surface. Films with planar (galfenol, nickel) and perpendicular (multilayer Co / Pt structures) magnetic anisotropy were used. PMN-PT crystal was used, as a ferroelectric. The hysteresis loops of magnetic films were investigated as a function of the voltage, applied to a ferroelectric crystal. In films with “easy plane” type anisotropy, a rotation of the axis directions in the plane of the sample was detected upon application of electric voltage. In structures with an

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