Blar i NTNU Open på forfatter "Schultheiss, Jan"

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    • Confinement-Driven Inverse Domain Scaling in Polycrystalline ErMnO3 

      Schultheiss, Jan; Xue, Fei; Roede, Erik Dobloug; Ånes, Håkon Wiik; Danmo, Frida Hemstad; Selbach, Sverre Magnus; Chen, Long-Qing; Meier, Dennis (Peer reviewed; Journal article, 2022)
      The research on topological phenomena in ferroelectric materials has revolutionized the way people understand polar order. Intriguing examples are polar skyrmions, vortex/anti-vortex structures, and ferroelectric ...

    • Insulating improper ferroelectric domain walls as robust barrier layer capacitors 

      Puntigam, Lukas; Schultheiss, Jan; Strinic, Ana; Yan, Zewu; Bourret, Edith; Altthaler, Markus; Keszmarki, Istvan; Evans, Donald; Meier, Dennis Gerhard; Krohns, Stephan (Peer reviewed; Journal article, 2021)
      We report the dielectric properties of improper ferroelectric hexagonal (h-)ErMnO3. From the bulk characterization, we observe a temperature and frequency range with two distinct relaxation-like features, leading to high ...

    • Precipitation Hardening in Ferroelectric Ceramics 

      Zhao, Changhao; Gao, Shuang; Yang, Tiannan; Scherer, Michael; Schultheiss, Jan; Meier, Dennis; Tan, Xiaoli; Kleebe, Hans-Joachim; Chen, Long-Qing; Koruza, Jurij; Rödel, Jürgen (Peer reviewed; Journal article, 2021)
      Domain wall motion in ferroics, similar to dislocation motion in metals, can be tuned by well-concepted microstructural elements. In demanding high-power applications of piezoelectric materials, the domain wall motion is ...

    • Precipitation hardening in ferroelectric ceramics 

      Zhao, Changhao; Gao, Shuang; Yang, Tiannan; Scherer, Michael; Schultheiss, Jan; Meier, Dennis Gerhard; Tan, Xiaoli; Kleebe, Hans-Joachim; Chen, Long-Qing; Koruza, Jurij; Rödel, Jürgen (Peer reviewed; Journal article, 2021)
      Domain wall motion in ferroics, similar to dislocation motion in metals, can be tuned by well-concepted microstructural elements. In demanding high-power applications of piezoelectric materials, the domain wall motion is ...

    • Quantitative mapping of nanotwin variants in the bulk 

      Schultheiss, Jan; Porz, Lukas; Kodumudi Venkataraman, Lalitha; Höfling, Marion; Yildirim, Can; Cook, Phil; Detlefs, Carsten; Gorfman, Semën; Rödel, Jürgen; Simons, Hugh (Peer reviewed; Journal article, 2021)
      Crystallographic twins are critical to the properties of numerous materials from magnesium alloys to piezoelectrics. Since the onset of the twin formation is highly sensitive to the triaxial mechanical boundary conditions, ...

    • Unveiling AC electronic properties at ferroelectric domain walls 

      Schultheiss, Jan; Rojac, Tadej; Meier, Dennis Gerhard (Journal article; Peer reviewed, 2021)