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In Situ Polarized Light Microscopy on the Stability of AC Poling During Aging in PMN–28PT Single Crystal.

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Title: In Situ Polarized Light Microscopy on the Stability of AC Poling During Aging in PMN–28PT Single Crystal.
Authors: Pérez‐Moyet, Richard1 (AUTHOR) richard.perezmoyet.civ@us.navy.mil, Kaminsky, Werner A.2 (AUTHOR), Cardona‐Quintero, Yenny1 (AUTHOR), Visser, William A.1 (AUTHOR), Heitmann, Adam A.1 (AUTHOR), Robinson, Harold C.1 (AUTHOR)
Source: Journal of the American Ceramic Society. Mar2026, Vol. 109 Issue 3, p1-21. 21p.
Subjects: Alternating currents, Ferroelectric crystals, Permittivity, Polarization microscopy, Deterioration of materials
Abstract: Materials degradation was investigated on lead magnesium niobate–28% lead titanate (PMN–28PT) single crystal after alternating current poling (ACP) and direct current poling (DCP) conditions as a function of time‐dependent aging and aging from linear electric field cycling. The behavior of the bulk material properties was directly correlated with the ferroelectric domain dynamics determined from birefringence, extinction angle, and transmittance images. These images were acquired during polarized light microscopy using a fully automated process, in combination with dielectric permittivity measurements, to determine domain formation during poling; domain reconfiguration as a function of temperature across different symmetry phases; high temperature time‐dependent aging; and aging from linear electric field cycling. From extinction angle analysis, the monoclinic B (MB)—monoclinic C (MC)—tetragonal (T)—cubic (C) phase sequence was determined for both poling conditions. A diffuse domain configuration with non‐180 domain orientation was obtained from DCP, whereas ACP reveals a large volume fraction difference on the extinction angle areas associated with ferroelectric domains as well as static charge domain walls, which are also responsible for the ACP enhancement. Additionally, it is experimentally demonstrated that the ACP domain configuration is more stable against degradation than the DCP domain configuration due to a reduced non‐180 domain walls found after ACP. [ABSTRACT FROM AUTHOR]
Copyright of Journal of the American Ceramic Society is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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An: 192462491
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  Data: In Situ Polarized Light Microscopy on the Stability of AC Poling During Aging in PMN–28PT Single Crystal.
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+the+American+Ceramic+Society%22">Journal of the American Ceramic Society</searchLink>. Mar2026, Vol. 109 Issue 3, p1-21. 21p.
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  Data: <searchLink fieldCode="DE" term="%22Alternating+currents%22">Alternating currents</searchLink><br /><searchLink fieldCode="DE" term="%22Ferroelectric+crystals%22">Ferroelectric crystals</searchLink><br /><searchLink fieldCode="DE" term="%22Permittivity%22">Permittivity</searchLink><br /><searchLink fieldCode="DE" term="%22Polarization+microscopy%22">Polarization microscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Deterioration+of+materials%22">Deterioration of materials</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Materials degradation was investigated on lead magnesium niobate–28% lead titanate (PMN–28PT) single crystal after alternating current poling (ACP) and direct current poling (DCP) conditions as a function of time‐dependent aging and aging from linear electric field cycling. The behavior of the bulk material properties was directly correlated with the ferroelectric domain dynamics determined from birefringence, extinction angle, and transmittance images. These images were acquired during polarized light microscopy using a fully automated process, in combination with dielectric permittivity measurements, to determine domain formation during poling; domain reconfiguration as a function of temperature across different symmetry phases; high temperature time‐dependent aging; and aging from linear electric field cycling. From extinction angle analysis, the monoclinic B (MB)—monoclinic C (MC)—tetragonal (T)—cubic (C) phase sequence was determined for both poling conditions. A diffuse domain configuration with non‐180 domain orientation was obtained from DCP, whereas ACP reveals a large volume fraction difference on the extinction angle areas associated with ferroelectric domains as well as static charge domain walls, which are also responsible for the ACP enhancement. Additionally, it is experimentally demonstrated that the ACP domain configuration is more stable against degradation than the DCP domain configuration due to a reduced non‐180 domain walls found after ACP. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of the American Ceramic Society is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1111/jace.70643
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        Text: English
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        PageCount: 21
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      – SubjectFull: Alternating currents
        Type: general
      – SubjectFull: Ferroelectric crystals
        Type: general
      – SubjectFull: Permittivity
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      – SubjectFull: Polarization microscopy
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      – SubjectFull: Deterioration of materials
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      – TitleFull: In Situ Polarized Light Microscopy on the Stability of AC Poling During Aging in PMN–28PT Single Crystal.
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              Text: Mar2026
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              Y: 2026
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