Domain orientation imaging of PMN–PT single crystals by vertical and lateral piezoresponse force microscopy

Zeng, Huarong; Yu, Hu; Chu, Ruiqing; Li, G.R.; Luo, Haosu; Yin, Qingrui

doi:10.1016/j.jcrysgro.2004.03.058

Cited by 32 publications

(14 citation statements)

References 21 publications

(23 reference statements)

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“…This result is consistent with the spatial inhomogeneous domains found on the rhombohedral‐based PMN–30 wt% PT 25 . In general, it is commonly accepted that the spatial inhomogeneity of the domains can be attributed to the influence of the random field, which acts in the reorientation and merge of the polar clusters 25,26 . Specifically, PZN is a typical relaxor in which the formation of long‐range ferroelectric order under zero‐field cooling is prevented by random fields induced by build‐in charge disorder.…”

Section: Resultssupporting

confidence: 90%

“…3(a), in which smaller domains are merged to form larger clusters. This result is consistent with the spatial inhomogeneous domains found on the rhombohedral‐based PMN–30 wt% PT 25 . In general, it is commonly accepted that the spatial inhomogeneity of the domains can be attributed to the influence of the random field, which acts in the reorientation and merge of the polar clusters 25,26 .…”

Section: Resultssupporting

confidence: 88%

“…However, another component, PT, favors the long‐range ferroelectric order with the presence of highly polarized Ti 4+ ions. Therefore, when the random internal field is inhibited, the ferroelectric interaction between polar clusters would be enhanced, promoting the reorient and merge of smaller entities into larger clusters with long‐range ordering structure 25 …”

Section: Resultsmentioning

confidence: 99%

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Mechanical Polishing Effects Toward Surface Domain Evolution in Pb(Zn1/3Nb2/3)O3-PbTiO3 Single Crystals

Wong¹,

Zeng²

2010

Journal of the American Ceramic Society

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This paper presents the mechanical polishing effects on the surface domains and crystal structures of relaxor‐based Pb(Zn1/3Nb2/3)O3–PbTiO3 (PZN–PT) single crystals. In normal sample preparation processes, a “surface deformed layer” composed of distorted crystal structures is produced due to intense compression caused by several polishing steps using a series of lapping films down to 1 μm in particle size. This “surface deformed layer” may contribute to dissimilar properties compared with those of the interior, and also result in pop‐in events in the load–displacement curve (P–h curve) during nanoindentation. An anomaly in the X‐ray diffraction (XRD) profiles is also found, demonstrating a broad minor peak besides the major peak in the intensity. In addition, Piezoresponse Force Microscopy reveals that the domain structures on the crystal surface appear to be distorted and aligned along the polishing direction. Therefore, a controlled fine polishing procedure using Al2O3 slurry of 0.3 μm particle size is adopted to remove this “surface deformed layer.” After polishing to mirror finish, the macroscopic orientations of the domain walls agree well with the permissible domain wall directions. The topography is also altered analogous with the polarization direction. More specifically, the upward domains constitute a depression of ∼10 nm compared with the downward domains, suggesting a different hardness for the head and tail domain sections. Furthermore, the minor peak in the XRD and the pop‐in event in the nanoindentation P–h curve are successfully eliminated after this fine polishing procedure. The removal of the surface layer may also lower the coercive field of the crystals, thus enabling ferroelectric control with a smaller voltage.

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Section: Resultssupporting

confidence: 90%

Section: Resultssupporting

confidence: 88%

Section: Resultsmentioning

confidence: 99%

See 1 more Smart Citation

Mechanical Polishing Effects Toward Surface Domain Evolution in Pb(Zn1/3Nb2/3)O3-PbTiO3 Single Crystals

Wong¹,

Zeng²

2010

Journal of the American Ceramic Society

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“…For characterization of ferroelectric domain or domain boundary structures, a variety of techniques have been employed, such as X-ray and neutron diffraction techniques, 15,22 transmission electron microscopy (TEM), 19 polarized light microscopy (PLM), 16,[23][24][25] and PFM. [25][26][27][28] Using PFM, Zeng et al 26 Although PFM is capable of revealing the domain morphologies in nanoscale, and measuring the piezoelectric response of individual domains simultaneously, it is unable to detect the phase symmetry of the ferroelectric domains. Besides, PFM only measures surface layer of the samples.…”

Section: Introductionmentioning

confidence: 99%

Multi‐scale domain structure observation and piezoelectric responses for [001]‐oriented PMN‐33PT single crystal

2019

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Multiple phase coexistence contributes to the extraordinary piezoelectric behavior of (1‐x)Pb(Mg1/3Nb2/3)O3–xPbTiO3 (PMN–xPT) near the morphotropic phase boundaries (MPBs). By incorporating an optical path of crossed polarized light (PLM) into the commercialized Piezoelectric Force Microscope (PFM) (named as PLM‐PFM system), in situ domain structure observation from micro‐ to nanoscale, as well as measurement of the piezoelectric behavior for individual domains can be realized. For [001]‐oriented single crystal of 67Pb(Mg1/3Nb2/3)O3‐33PbTiO3 (PMN‐33PT), fine domain boundary structures of rhombohedral (R), tetragonal (T), and monoclinic (M) phases are revealed. Measurements of the electric field‐induced displacement as a function of the applied DC electric field (VDC) are performed for domains with different polarization vectors. Values for the electric field‐induced displacement are in descending order for c‐domains of the M, R, and T phases. For an individual phase of T or M, the displacement increases when the angle between the polarization vector and the applied electric field decreases. The multi‐scale perspective of the domain structures and the corresponding piezoelectric response helps in understanding the ultra‐high piezoelectric performance for PMN‐PT single crystals near MPB.

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“…The second electron image (topography image) and the electron acoustic image (domain image) are simultaneously obtained in SEAM. Piezoresponse force microscopy was used to image ferroelectric domain in the near surface of the sample based on the detection of piezoelectric vibration under the tip due to converse piezoelectric effects [18][19][20]. In PFM, one of the main crystal faces was electroded by silver paste and glued to the PFM sample holder; the opposite surface was subjected to PFM study.…”

Section: Methodsmentioning

confidence: 99%

Depth profile dependence of domain configuration variations in Pb(Mg1/3Nb2/3)O3-PbTiO3 single crystals

Zeng

Hui

et al. 2006

Materials Science and Engineering: B

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Domain orientation imaging of PMN–PT single crystals by vertical and lateral piezoresponse force microscopy

Cited by 32 publications

References 21 publications

Mechanical Polishing Effects Toward Surface Domain Evolution in Pb(Zn1/3Nb2/3)O3-PbTiO3 Single Crystals

Mechanical Polishing Effects Toward Surface Domain Evolution in Pb(Zn1/3Nb2/3)O3-PbTiO3 Single Crystals

Multi‐scale domain structure observation and piezoelectric responses for [001]‐oriented PMN‐33PT single crystal

Depth profile dependence of domain configuration variations in Pb(Mg1/3Nb2/3)O3-PbTiO3 single crystals

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