Recent Progress of Hybrid Improper Ferroelectrics with Ruddlesden-Popper Structure
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OpenAlex topics: Ferroelectric and Piezoelectric Materials · Advanced Sensor and Energy Harvesting Materials · Conducting polymers and applications
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References (100+)
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1. SCOTT J F. Applications of modern ferroelectrics. Science, 2007, 315(5814): 954.10.1126/science.1129564 ↗
2. YANG S Y, SEIDEL J, BYRNES S J, et al. Above-bandgap voltages from ferroelectric photovoltaic devices. Nature Nanotechnology, 2010, 5(2): 143.10.1038/nnano.2009.451 ↗
3. CHEONG S W, MOSTOVOY M. Multiferroics: a magnetic twist for ferroelectricity. Nature Materials, 2007, 6: 13.10.1038/nmat1804 ↗
4. WANG K F, LIU J M, REN Z F. Multiferroicity: the coupling between magnetic and polarization orders. Advances in Physics, 2009, 58(4): 321.10.1080/00018730902920554 ↗
5. HILL N A. Why are there so few magnetic ferroelectrics? The Journal of Physical Chemistry B, 2000, 104(29): 6694.10.1021/jp000114x ↗
6. WANG J, NEATON J B, ZHENG H, et al. Epitaxial BiFeO3 multiferroic thin film heterostructures. Science, 2003, 299(5613): 1719.10.1126/science.1080615 ↗
7. DONG S, LIU J M, CHEONG S W, et al. Multiferroic materials and magnetoelectric physics: symmetry, entanglement, excitation, and topology. Advances in Physics, 2015, 64(5/6): 519.10.1080/00018732.2015.1114338 ↗
8. KIMURA T, GOTO T, SHINTANI H, et al. Magnetic control of ferroelectric polarization. Nature, 2003, 426(6962): 55.10.1038/nature02018 ↗
9. GOODENOUGH J B. Theory of the role of covalence in the perovskite-type manganites [La,M(II)]MnO3. Physical Review, 1955, 100(2): 564.10.1103/PhysRev.100.564 ↗
10. MILLIS A J. Lattice effects in magnetoresistive manganese perovskites. Nature, 1998, 392(6672): 147.10.1038/32348 ↗
11. LEVANYUK A P, SANNIKOV D G. Anomalies in dielectric properties in phase transitions. Zhurnal Eksperimental'noi i Teoreticheskoi Fiziki, 1968, 55: 256.
12. LEVANYUK A P, SANNIKOV D G. Improper ferroelectrics. Uspekhi Fizicheskih Nauk, 1974, 112(4): 561.10.3367/UFNr.0112.197404a.0561 ↗
13. DVOŘÁK V. Improper ferroelectrics. Ferroelectrics, 1974, 7(1): 1.10.1080/00150197408237942 ↗
14. BOUSQUET E, DAWBER M, STUCKI N, et al. Improper ferroelectricity in perovskite oxide artificial superlattices. Nature, 2008, 452(7188): 732.10.1038/nature06817 ↗
15. BENEDEK N A, FENNIE C J. Hybrid improper ferroelectricity: a mechanism for controllable polarization-magnetization coupling. Physical Review Letters, 2011, 106(10): 107204.10.1103/PhysRevLett.106.107204 ↗
16. ZHANG Y J, WANG J, GHOSEZ P. Unraveling the suppression of oxygen octahedra rotations in A3B2O7 Ruddlesden-Popper compounds: engineering multiferroicity and beyond. Physical Review Letters, 2020, 125(15): 157601.10.1103/PhysRevLett.125.157601 ↗
17. WANG F, GAO H, DE GRAAF C, et al. Switchable Rashba anisotropy in layered hybrid organic-inorganic perovskite by hybrid improper ferroelectricity. npj Computational Materials, 2020, 6: 183.10.1038/s41524-020-00450-z ↗
18. VARIGNON J, BRISTOWE N C, GHOSEZ P. Electric field control of Jahn-Teller distortions in bulk perovskites. Physical Review Letters, 2016, 116(5): 057602.10.1103/PhysRevLett.116.057602 ↗
19. TIAN H, KUANG X Y, MAO A J, et al. Novel type of ferroelectricity in brownmillerite structures: a first-principles study. Physical Review Materials, 2018, 2(8): 084402.10.1103/PhysRevMaterials.2.084402 ↗
20. STROPPA A, BARONE P, JAIN P, et al. Hybrid improper ferroelectricity in a multiferroic and magnetoelectric metal- organic framework. Advanced Materials, 2013, 25(16): 2284.10.1002/adma.201204738 ↗
21. BRUCE A D, COWLEY R A, BURNS G. Structural phase transitions. Physics Today, 1981, 34(12): 58.10.1063/1.2914390 ↗
22. BRUCE A D. Universal phenomena near structural phase transitions. Ferroelectrics, 1981, 35(1): 43.10.1080/00150198108017663 ↗
23. YOUNG J, STROPPA A, PICOZZI S, et al. Anharmonic lattice interactions in improper ferroelectrics for multiferroic design. Journal of Physics: Condensed Matter, 2015, 27(28): 283202.10.1088/0953-8984/27/28/283202 ↗
24. XU B, WANG D W, ZHAO H J, et al. Hybrid improper ferroelectricity in multiferroic superlattices: finite-temperature properties and electric-field-driven switching of polarization and magnetization. Advanced Functional Materials, 2015, 25(24): 3626.10.1002/adfm.201501113 ↗
25. 刘小强, 吴淑雅, 朱晓莉, 等. Ruddlesden-Popper结构杂化非本征铁电体及其多铁性. 物理学报, 2018, 67(15): 157503.
26. MULDER A T, BENEDEK N A, RONDINELLI J M, et al. Turning ABO3 antiferroelectrics into ferroelectrics: design rules for practical rotation-driven ferroelectricity in double perovskites and A3B2O7 Ruddlesden-Popper compounds. Advanced Functional Materials, 2013, 23(38): 4810.10.1002/adfm.201300210 ↗
27. ZHAO H, LIU X, CHEN X M, et al. Effects of chemical and hydrostatic pressures on structural, magnetic, and electronic properties of R2NiMnO6 (R=rare-earth ion) double perovskites. Physical Review B, 2014, 90: 195147.10.1103/PhysRevB.90.195147 ↗
28. SCHAAK R E, MALLOUK T E. Perovskites by design: a toolbox of solid-state reactions. Chemistry of Materials, 2002, 14(4): 1455.10.1021/cm010689m ↗
29. BENEDEK N A, RONDINELLI J M, DJANI H, et al. Understanding ferroelectricity in layered perovskites: new ideas and insights from theory and experiments. Dalton Transactions, 2015, 44(23): 10543.10.1039/C5DT00010F ↗
30. CHEN X M, XIAO Y, LIU X Q, et al. SrLnAlO4 (Ln=Nd and Sm) microwave dielectric ceramics. Journal of Electroceramics, 2003, 10(2): 111.10.1023/A:1025695722686 ↗
31. ISHIDA K, MUKUDA H, KITAOKA Y, et al. Spin-triplet superconductivity in Sr2RuO4 identified by 17O Knight shift. Nature, 1998, 396: 658.10.1038/25315 ↗
32. LEE D, LEE H. Controlling oxygen mobility in Ruddlesden- Popper oxides. Materials, 2017, 10(4): 368.10.3390/ma10040368 ↗
33. SENN M S, BOMBARDI A, MURRAY C A, et al. Negative thermal expansion in hybrid improper ferroelectric Ruddlesden- Popper perovskites by symmetry trapping. Physical Review Letters, 2015, 114(3): 035701.10.1103/PhysRevLett.114.035701 ↗
34. TU D, XU C N, KAMIMURA S, et al. Ferroelectric Sr3Sn2O7: Nd3+: a new multipiezo material with ultrasensitive and sustainable near-infrared piezoluminescence. Advanced Materials, 2020, 32(25): 1908083.10.1002/adma.201908083 ↗
35. RUDDLESDEN S N, POPPER P. New compounds of the K2NIF4 type. Acta Crystallographica, 1957, 10(8): 538.10.1107/S0365110X57001929 ↗
36. RUDDLESDEN S N, POPPER P. The compound Sr3Ti2O7 and its structure. Acta Crystallographica, 1958, 11(1): 54.10.1107/S0365110X58000128 ↗
37. RONDINELLI J M, FENNIE C J. Octahedral rotation-induced ferroelectricity in cation ordered perovskites. Advanced Materials, 2012, 24(15): 1961.10.1002/adma.201104674 ↗
38. TARANCÓN A, BURRIEL M, SANTISO J, et al. Advances in layered oxide cathodes for intermediate temperature solid oxide fuel cells. Journal of Materials Chemistry, 2010, 20(19): 3799.10.1039/b922430k ↗
39. CHRONEOS A, YILDIZ B, TARANCÓN A, et al. Oxygen diffusion in solid oxide fuel cell cathode and electrolyte materials: mechanistic insights from atomistic simulations. Energy & Environmental Science, 2011, 4(8): 2774.10.1039/c0ee00717j ↗
40. ZHANG B H, LIU X Q, CHEN X M. Review of experimental progress of hybrid improper ferroelectricity in layered perovskite oxides. Journal of Physics D: Applied Physics, 2022, 55(11): 113001.10.1088/1361-6463/ac3284 ↗
41. LI C F, ZHENG S H, WANG H W, et al. Structural transitions in hybrid improper ferroelectric Ca3Ti2O7 tuned by site-selective isovalent substitutions: a first-principles study. Physical Review B, 2018, 97(18): 184105.10.1103/PhysRevB.97.184105 ↗
42. GAO B, HUANG F T, WANG Y Z, et al. Interrelation between domain structures and polarization switching in hybrid improper ferroelectric Ca3(Mn, Ti)2O7. Applied Physics Letters, 2017, 110(22): 222906.10.1063/1.4984841 ↗
43. LIU X Q, WU J W, SHI X X, et al. Hybrid improper ferroelectricity in Ruddlesden-Popper Ca3(Ti, Mn)2O7 ceramics. Applied Physics Letters, 2015, 106(20): 202903.10.1063/1.4921624 ↗
44. ZHANG B H, HU Z Z, CHEN B H, et al. Improved hybrid improper ferroelectricity in B-site substituted Ca3Ti2O7 ceramics with a Ruddlesden-Popper structure. Journal of Applied Physics, 2020, 128(5): 054102.10.1063/5.0014208 ↗
45. CHEN B H, SUN T L, WEI L Y, et al. Enhanced hybrid improper ferroelectricity in Fe/Nb cosubstituted Ca3Mn2O7 ceramics. Journal of the American Ceramic Society, 2021, 104(8): 4000.10.1111/jace.17791 ↗
46. ELCOMBE M M, KISI E H, HAWKINS K D, et al. Structure determinations for Ca3Ti2O7, Ca4Ti3O10, Ca3.6Sr0.4Ti3O10 and a refinement of Sr3Ti2O7. Acta Crystallographica Section B Structural Science, 1991, 47(3): 305.10.1107/S0108768190013416 ↗
47. GUIBLIN N, GREBILLE D, LELIGNY H, et al. Ca3Mn2O7. Acta Crystallographica Section C, 2002, 58(1): i3.10.1107/S0108270101018492 ↗
48. LOBANOV M V, GREENBLATT M, CASPI E A N, et al. Crystal and magnetic structure of the Ca3Mn2O7Ruddlesden- Popper phase: neutron and synchrotron X-ray diffraction study. Journal of Physics: Condensed Matter, 2004, 16(29): 5339.10.1088/0953-8984/16/29/023 ↗
49. OH Y S, LUO X, HUANG F T, et al. Experimental demonstration of hybrid improper ferroelectricity and the presence of abundant charged walls in (Ca, Sr)3Ti2O7 crystals. Nature Materials, 2015, 14(4): 407.10.1038/nmat4168 ↗
50. MEIER D, SEIDEL J, CANO A, et al. Anisotropic conductance at improper ferroelectric domain walls. Nature Materials, 2012, 11(4): 284.10.1038/nmat3249 ↗
51. GAO P, BRITSON J, JOKISAARI J R, et al. Atomic-scale mechanisms of ferroelastic domain-wall-mediated ferroelectric switching. Nature Communications, 2013, 4: 2791.10.1038/ncomms3791 ↗
52. WU W D, HORIBE Y, LEE N, et al. Conduction of topologically protected charged ferroelectric domain walls. Physical Review Letters, 2012, 108(7): 077203.10.1103/PhysRevLett.108.077203 ↗
53. GUREEV M Y, TAGANTSEV A K, SETTER N. Head-to-head and tail-to-tail 180° domain walls in an isolated ferroelectric. Physical Review B, 2011, 83(18): 184104.10.1103/PhysRevB.83.184104 ↗
54. HUANG X R, HU X B, JIANG S S, et al. Theoretical model of 180° domain-wall structures and their transformation in ferroelectric perovskites. Physical Review B, 1997, 55(9): 5534.10.1103/PhysRevB.55.5534 ↗
55. KURUSHIMA K, YOSHIMOTO W, ISHII Y, et al. Direct observation of charged domain walls in hybrid improper ferroelectric (Ca, Sr)3Ti2O7. Japanese Journal of Applied Physics, 2017, 56(10S): 10PB02.10.7567/JJAP.56.10PB02 ↗
56. SMITH K A, NOWADNICK E A, FAN S, et al. Infrared nano-spectroscopy of ferroelastic domain walls in hybrid improper ferroelectric Ca3Ti2O7. Nature Communications, 2019, 10: 5235.10.1038/s41467-019-13066-9 ↗
57. LEE M H, CHANG C P, HUANG F T, et al. Hidden antipolar order parameter and entangled Néel-type charged domain walls in hybrid improper ferroelectrics. Physical Review Letters, 2017, 119(15): 157601.10.1103/PhysRevLett.119.157601 ↗
58. NAKAJIMA H, SHIGEMATSU K, HORIBE Y, et al. Charged domain walls and crystallographic microstructures in hybrid improper ferroelectric Ca3-xSrxTi2O7. Materials Transactions, 2019, 60(10): 210310.2320/matertrans.MT-MI2019006 ↗
59. MUNRO J M, AKAMATSU H, PADMANABHAN H, et al. Discovering minimum energy pathways via distortion symmetry groups. Physical Review B, 2018, 98(8): 085107.10.1103/PhysRevB.98.085107 ↗
60. NOWADNICK E A, FENNIE C J. Domains and ferroelectric switching pathways in Ca3Ti2O7 from first principles. Physical Review B, 2016, 94(10): 104105.10.1103/PhysRevB.94.104105 ↗
61. HUANG F T, GAO B, KIM J W, et al. Topological defects at octahedral tilting plethora in bi-layered perovskites. npj Quantum Materials, 2016, 1: 16017.10.1038/npjquantmats.2016.17 ↗
62. KRATOCHVILOVA M, HUANG F T, DIAZ M F, et al. Mapping the structural transitions controlled by the trilinear coupling in Ca3-xSrxTi2O7. Journal of Applied Physics, 2019, 125(24): 244102.10.1063/1.5089723 ↗
63. POMIRO F, ABLITT C, BRISTOWE N C, et al. From first- to second-order phase transitions in hybrid improper ferroelectrics through entropy stabilization. Physical Review B, 2020, 102: 014101.10.1103/PhysRevB.102.014101 ↗
64. HU Z Z, LU J J, CHEN B H, et al. First-order phase transition and unexpected rigid rotation mode in hybrid improper ferroelectric (La, Al) co-substituted Ca3Ti2O7 ceramics. Journal of Materiomics, 2019, 5(4): 618.10.1016/j.jmat.2019.07.002 ↗
65. NAGAI T, MOCHIZUKI Y, SHIRAKUNI H, et al. Phase transition from weak ferroelectricity to incipient ferroelectricity in Li2Sr(Nb1-xTax)2O7. Chemistry of Materials, 2020, 32(2): 744.10.1021/acs.chemmater.9b04022 ↗
66. HALASYAMANI P S, POEPPELMEIER K R. Noncentrosymmetric oxides. Chemistry of Materials, 1998, 10(10): 2753.10.1021/cm980140w ↗
67. MALLICK S, FORTES A D, ZHANG W G, et al. Switching between proper and hybrid-improper polar structures via cation substitution in A2La(TaTi)O7 (A=Li, Na). Chemistry of Materials, 2021, 33(7): 2666.10.1021/acs.chemmater.1c00599 ↗
68. CAMMARATA A, RONDINELLI J M. Ferroelectricity from coupled cooperative Jahn-Teller distortions and octahedral rotations in ordered Ruddlesden-Popper manganates. Physical Review B, 2015, 92: 014102.10.1103/PhysRevB.92.014102 ↗
69. BENEDEK N A. Origin of ferroelectricity in a family of polar oxides: the Dion-Jacobson phases. Inorganic Chemistry, 2014, 53(7): 3769.10.1021/ic500106a ↗
70. WU X X, WANG S Y, WONG-NG W, et al. Novel optical properties and induced magnetic moments in Ru-doped hybrid improper ferroelectric Ca3Ti2O7. Journal of Advanced Ceramics, 2021, 10(1): 120.10.1007/s40145-020-0425-2 ↗
71. HUANG C, WONG-NG W, LIU W F, et al. Major improvement of ferroelectric and optical properties in Na-doped Ruddlesden- Popper layered hybrid improper ferroelectric compound, Ca3Ti2O7. Journal of Alloys and Compounds, 2019, 770: 582.10.1016/j.jallcom.2018.08.172 ↗
72. JIANG Y, WANG S Y, LEI Y L, et al. Negative piezoelectric behaviors in hybrid improper ferroelectric Ca3-xNaxTi2O7 (x=0, 0.01) ceramics. Journal of the American Ceramic Society, 2020, 103(8): 4429.10.1111/jace.17145 ↗
73. LI G J, LIU X Q, LU J J, et al. Crystal structural evolution and hybrid improper ferroelectricity in Ruddlesden-Popper Ca3-xSrxTi2O7 ceramics. Journal of Applied Physics, 2018, 123(1): 014101.10.1063/1.5001956 ↗
74. LI S T, BIROL T. Suppressing the ferroelectric switching barrier in hybrid improper ferroelectrics. npj Computational Materials, 2020, 6: 168.10.1038/s41524-020-00436-x ↗
75. JACOB K T, GUPTA S. Phase diagram of the system Ca-Ti-O at 1200 K. Bulletin of Materials Science, 2009, 32(6): 611.10.1007/s12034-009-0094-9 ↗
76. JACOB K T, ABRAHAM K P. Thermodynamic properties of calcium titanates: CaTiO3, Ca4Ti3O10, and Ca3Ti2O7. The Journal of Chemical Thermodynamics, 2009, 41(6): 816.10.1016/j.jct.2009.02.001 ↗
77. GONG W P, WU L L, NAVROTSKY A. Combined experimental and computational investigation of thermodynamics and phase equilibria in the CaO-TiO2 system. Journal of the American Ceramic Society, 2018, 101(3): 1361.10.1111/jace.15286 ↗
78. PFAFF G. Synthesis of calcium titanate powders by the Sol-Gel process. Chemistry of Materials, 1994, 6(1): 58.10.1021/cm00037a013 ↗
79. ZHOU C, CAI W, ZHANG Q W, et al. Enhancement in hybrid improper ferroelectricity of Ca3Ti2O7 ceramics by a two-stage sintering. Materials Chemistry and Physics, 2021, 258: 124001.10.1016/j.matchemphys.2020.124001 ↗
80. WU H D, CAI W, ZHOU C, et al. Remarkable enhancement in hybrid improper ferroelectricity of Ca3Ti2O7 ceramics by a simple Sol-Gel process. Materials Letters, 2020, 278: 128447.10.1016/j.matlet.2020.128447 ↗
81. LI X, YANG L, LI C F, et al. Ultra-low coercive field of improper ferroelectric Ca3Ti2O7 epitaxial thin films. 2017, 110(4): 042901.10.1063/1.4974217 ↗
82. LU X Z, RONDINELLI J M. Epitaxial-strain-induced polar-to- nonpolar transitions in layered oxides. Nature Materials, 2016, 15(9): 951.10.1038/nmat4664 ↗
83. SHI Y, WANG S Y, MA S, et al. Nanoscale imaging of ferroelectric domain and resistance switching in hybrid improper ferroelectric Ca3Ti2O7 thin films. Physics Letters A, 2020, 384(25): 126609.10.1016/j.physleta.2020.126609 ↗
84. CHEN B H, SUN T L, LIU X Q, et al. Enhanced hybrid improper ferroelectricity in Sr3-xBaxSn2O7 ceramics with a Ruddlesden- Popper (R-P) structure. Applied Physics Letters, 2020, 116(4): 042903.10.1063/1.5138672 ↗
85. LU J J, LIU X Q, MA X, et al. Crystal structures, dielectric properties, and phase transition in hybrid improper ferroelectric Sr3Sn2O7-based ceramics. Journal of Applied Physics, 2019, 125(4): 044101.10.1063/1.5051190 ↗
86. HU Z Z, LU J J, CHEN B H, et al. Improved ferroelectric properties in hybrid improper ferroelectric Sr3-xBaxZr2O7. Journal of Alloys and Compounds, 2021, 866: 158705.10.1016/j.jallcom.2021.158705 ↗
87. HUANG L F, LU X Z, RONDINELLI J M. Tunable negative thermal expansion in layered perovskites from quasi-two-dimensional vibrations. Physical Review Letters, 2016, 117(11): 115901.10.1103/PhysRevLett.117.115901 ↗
88. ABLITT C, MCCAY H, CRADDOCK S, et al. Tolerance factor control of uniaxial negative thermal expansion in a layered perovskite. Chemistry of Materials, 2020, 32(1): 605.10.1021/acs.chemmater.9b04512 ↗
89. SENN M S, MURRAY C A, LUO X, et al. Symmetry switching of negative thermal expansion by chemical control. Journal of the American Chemical Society, 2016, 138(17): 5479.10.1021/jacs.5b13192 ↗
90. GLAMAZDA A, WULFERDING D, LEMMENS P, et al. Soft tilt and rotational modes in the hybrid improper ferroelectric Ca3Mn2O7. Physical Review B, 2018, 97(9): 094104.10.1103/PhysRevB.97.094104 ↗
91. YE F, WANG J C, SHENG J M, et al. Soft antiphase tilt of oxygen octahedra in the hybrid improper multiferroic Ca3Mn1.9Ti0.1O7. Physical Review B, 2018, 97(4): 041112.10.1103/PhysRevB.97.041112 ↗
92. LIU S, ZHANG H, GHOSE S, et al. Nature of the structural symmetries associated with hybrid improper ferroelectricity in Ca3X2O7 (X=Mn and Ti). Physical Review B, 2019, 99(22): 224105.10.1103/PhysRevB.99.224105 ↗
93. CHERIAN J G, BIROL T, HARMS N C, et al. Optical spectroscopy and band gap analysis of hybrid improper ferroelectric Ca3Ti2O7. Applied Physics Letters, 2016, 108(26): 262901.10.1063/1.4954404 ↗
94. TONG B Y, WANG S Y, WONG-NG W, et al. Polarization switching dynamics and switchable diode effect in hybrid improper ferroelectric Ca3Ti2O7 ceramics. Journal of the American Ceramic Society, 2019, 102(4): 1875.10.1111/jace.16077 ↗
95. OMARI L H, LEMZIOUKA H, MOUBAH R, et al. Structural and optical properties of Fe-doped Ruddlesden-Popper Ca3Ti2-xFexO7-δ nanoparticles. Materials Chemistry and Physics, 2020, 246: 122810.10.1016/j.matchemphys.2020.122810 ↗
96. WANG F Q, CAI W, FU C L, et al. The electronic structure and optical properties of Ca3(Mn1-xTix)2O7 from first-principle calculations. Journal of Advanced Dielectrics, 2019, 9(1): 1950007.10.1142/S2010135X19500073 ↗
97. ZHANG X N, LIU W F, HAN Y L, et al. Novel optical and magnetic properties of Li-doped quasi-2D manganate Ca3Mn2O7 particles. Journal of Materials Chemistry C, 2017, 5(28): 7011.10.1039/C7TC01667K ↗
98. ZHANG J T, SHEN X F, WANG Y C, et al. Design of two- dimensional multiferroics with direct polarization-magnetization coupling. Physical Review Letters, 2020, 125(1): 017601.10.1103/PhysRevLett.125.017601 ↗
99. HARRIS A B. Symmetry analysis for the Ruddlesden-Popper systems Ca3Mn2O7 and Ca3Ti2O7. Physical Review B, 2011, 84(6): 064116.10.1103/PhysRevB.84.064116 ↗
100. ZHU W K, PI L, HUANG Y J, et al. Electrically induced decrease of magnetization in Ca3Mn2O7. Applied Physics Letters, 2012, 101(19): 192407.10.1063/1.4767139 ↗