Manipulation of ferroelectric vortex domains in hexagonal manganites

2011 ◽  
Vol 110 (5) ◽  
pp. 052007 ◽  
Author(s):  
M. Lilienblum ◽  
E. Soergel ◽  
M. Fiebig
Keyword(s):  
Hexagonal Manganites ◽  
Ferroelectric Vortex

scholarly journals Domain wall mobility and roughening in doped ferroelectric hexagonal manganites

2020 ◽  
Vol 2 (3) ◽  
Author(s):  
D. R. Småbråten ◽  
T. S. Holstad ◽  
D. M. Evans ◽  
Z. Yan ◽  
E. Bourret ◽  
...  
Keyword(s):  
Domain Wall ◽  
Domain Wall Mobility ◽  
Hexagonal Manganites ◽  
Wall Mobility

Observation of vortex domain structures in multiferroic hexagonal manganites RMnO3by transmission electron microscopy

Microscopy ◽  
2014 ◽  
Vol 63 (suppl 1) ◽  
pp. i22.3-i22
Author(s):  
Yoichi Horibe ◽  
Fei-Ting Huang ◽  
Taekjib Choi ◽  
Nara Lee ◽  
Sang-Wook Cheong
Keyword(s):  
Electron Microscopy ◽  
Transmission Electron Microscopy ◽  
Domain Structures ◽  
Transmission Electron ◽  
Hexagonal Manganites

Spin exchange interactions in hexagonal manganites RMnO3 (R = Tb, Dy, Ho, Er) epitaxial thin films

2011 ◽  
Vol 99 (5) ◽  
pp. 052506 ◽  
Author(s):  
Xiang-Bai Chen ◽  
Nguyen Thi Minh Hien ◽  
D. Lee ◽  
S.-Y. Jang ◽  
T. W. Noh ◽  
...  
Keyword(s):  
Thin Films ◽  
Spin Exchange ◽  
Exchange Interactions ◽  
Epitaxial Thin Films ◽  
Hexagonal Manganites

scholarly journals Topological semimetal features in the multiferroic hexagonal manganites

2019 ◽  
Vol 3 (6) ◽  
Author(s):  
Sophie F. Weber ◽  
Sinéad M. Griffin ◽  
Jeffrey B. Neaton
Keyword(s):  
Topological Semimetal ◽  
Hexagonal Manganites

scholarly journals Combinatorial model for the ferroelectric domain-network formation in hexagonal manganites

2014 ◽  
Vol 89 (2) ◽  
Author(s):  
Bruno Mettout ◽  
Pierre Tolédano ◽  
Martin Lilienblum ◽  
Manfred Fiebig
Keyword(s):  
Network Formation ◽  
Ferroelectric Domain ◽  
Combinatorial Model ◽  
Hexagonal Manganites

Phase-field simulations of surface charge-induced ferroelectric vortex

2021 ◽  
Author(s):  
Di Liu ◽  
Xiaoming Shi ◽  
Jing Wang ◽  
Xingwang Cheng ◽  
Houbing Huang
Keyword(s):  
Surface Charge ◽  
Phase Field ◽  
Ferroelectric Vortex

scholarly journals Subunit cell–level measurement of polarization in an individual polar vortex

2019 ◽  
Vol 5 (11) ◽  
pp. eaav4355 ◽  
Author(s):  
Yuanwei Sun ◽  
Adeel Y. Abid ◽  
Congbing Tan ◽  
Chuanlai Ren ◽  
Mingqiang Li ◽  
...  
Keyword(s):  
Dipole Moments ◽  
Polar Vortex ◽  
Scanning Transmission Electron Microscope ◽  
Contrast Imaging ◽  
Cell Level ◽  
Polarization Distribution ◽  
Scanning Transmission ◽  
Out Of Plane ◽  
Sound Foundation ◽  
Ferroelectric Vortex

Recently, several captivating topological structures of electric dipole moments (e.g., vortex, flux closure) have been reported in ferroelectrics with reduced size/dimensions. However, accurate polarization distribution of these topological ferroelectric structures has never been experimentally obtained. We precisely measure the polarization distribution of an individual ferroelectric vortex in PbTiO3/SrTiO3 superlattices at the subunit cell level by using the atomically resolved integrated differential phase contrast imaging in an aberration-corrected scanning transmission electron microscope. We find, in vortices, that out-of-plane polarization is larger than in-plane polarization, and that downward polarization is larger than upward polarization. The polarization magnitude is closely related to tetragonality. Moreover, the contribution of the Pb─O bond to total polarization is highly inhomogeneous in vortices. Our precise measurement at the subunit cell scale provides a sound foundation for mechanistic understanding of the structure and properties of a ferroelectric vortex and lattice-charge coupling phenomena in these topological ferroelectric structures.

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