Materials Map

Discover the materials research landscape. Find experts, partners, networks.

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The Materials Map is an open tool for improving networking and interdisciplinary exchange within materials research. It enables cross-database search for cooperation and network partners and discovering of the research landscape.

The dashboard provides detailed information about the selected scientist, e.g. publications. The dashboard can be filtered and shows the relationship to co-authors in different diagrams. In addition, a link is provided to find contact information.

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The Materials Map is still under development. In its current state, it is only based on one single data source and, thus, incomplete and contains duplicates. We are working on incorporating new open data sources like ORCID to improve the quality and the timeliness of our data. We will update Materials Map as soon as possible and kindly ask for your patience.

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in Cooperation with on an Cooperation-Score of 37%

Topics

Publications (3/3 displayed)

  • 2018Impact of Polarization Dynamics and Charged Defects on the Electrocaloric Response of Ferroelectric Pb(Zr,Ti)O3 Ceramics20citations
  • 2018Interplay of conventional with inverse electrocaloric response in (Pb,Nb)(Zr,Sn,Ti) O3 antiferroelectric materials53citations
  • 2017Multilayer lead-free piezoceramic composites8citations

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Chart of shared publication
Bradeško, Andraž
1 / 3 shared
Rojac, Tadej
1 / 15 shared
Ma, Yang Bin
1 / 1 shared
Novak, Nikola
2 / 8 shared
Koruza, Jurij
3 / 50 shared
Albe, Karsten
1 / 18 shared
Xu, Bai Xiang
1 / 3 shared
Patel, Satyanarayan
1 / 4 shared
Tan, Xiaoli
1 / 8 shared
Rödel, Jürgen
1 / 20 shared
Guo, Hanzheng
1 / 1 shared
Molina-Luna, L.
1 / 8 shared
Ayrikyan, A.
1 / 9 shared
Steiner, Sebastian
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Koruza, J.
1 / 7 shared
Weyland, F.
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Duerrschnabel, Michael
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Duerrschnabel, M.
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Steiner, S.
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Ayrikyan, Azatuhi
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Webber, Kyle G.
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Molina-Luna, Leopoldo
1 / 30 shared
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2018
2017

Co-Authors (by relevance)

  • Bradeško, Andraž
  • Rojac, Tadej
  • Ma, Yang Bin
  • Novak, Nikola
  • Koruza, Jurij
  • Albe, Karsten
  • Xu, Bai Xiang
  • Patel, Satyanarayan
  • Tan, Xiaoli
  • Rödel, Jürgen
  • Guo, Hanzheng
  • Molina-Luna, L.
  • Ayrikyan, A.
  • Steiner, Sebastian
  • Koruza, J.
  • Weyland, F.
  • Duerrschnabel, Michael
  • Duerrschnabel, M.
  • Steiner, S.
  • Ayrikyan, Azatuhi
  • Webber, Kyle G.
  • Molina-Luna, Leopoldo
OrganizationsLocationPeople

article

Impact of Polarization Dynamics and Charged Defects on the Electrocaloric Response of Ferroelectric Pb(Zr,Ti)O3 Ceramics

  • Bradeško, Andraž
  • Rojac, Tadej
  • Ma, Yang Bin
  • Novak, Nikola
  • Weyland, Florian
  • Koruza, Jurij
  • Albe, Karsten
  • Xu, Bai Xiang
Abstract

<p>The impact of charged point defects on the electrocaloric response of morphotropic Pb(Zr,Ti)O<sub>3</sub> (PZT) ceramics is investigated using direct electrocaloric and polarization hysteresis measurements. The electrocaloric response determined for undoped, hard-, and soft-doped PZT is rationalized by considering the dipolar entropy change over polarization change and hysteresis losses. The highest electrocaloric effect is observed in poled hard PZT with the field applied along the poling direction, which is related to the reduced hysteresis losses caused by internal electric fields associated with defect complexes. The weak hysteretic dependency of polarization as function of the electric field in hard PZT also allows inducing an inverse electrocaloric effect. The experimental results are compared with model calculations that provide a physical interpretation. The results reveal how the electrocaloric response of ferroelectrics can be optimized by defect engineering.</p>

Topics
  • impedance spectroscopy
  • ceramic
  • point defect