Theoretical insights into the Peierls plasticity in SrTiO3 ceramics via dislocation remodelling

Y Li, X Liu, P Zhang, Y Han, M Huang, C Wan - Nature communications, 2022 - nature.com
An in-depth understanding of the dislocations motion process in non-metallic materials
becomes increasingly important, stimulated by the recent emergence of ceramics and …

Room‐temperature dislocation plasticity in SrTiO3 tuned by defect chemistry

S Stich, K Ding, QK Muhammad, L Porz… - Journal of the …, 2022 - Wiley Online Library
Dislocations have been identified to modify both the functional and mechanical properties of
some ceramic materials. Succinct control of dislocation‐based plasticity in ceramics will also …

Thermally enhanced dislocation density improves both hardness and fracture toughness in single‐crystal SrTiO3

MN Salem, K Ding, J Rödel… - Journal of the American …, 2023 - Wiley Online Library
Dislocation‐tuned functionality in ceramic oxides for potential versatile applications gains
increasing attention. As the widespread chemical doping suffers from poor temperature …

Nanoscale to microscale reversal in room-temperature plasticity in SrTiO3 by tuning defect concentration

X Fang, K Ding, S Janocha, C Minnert, W Rheinheimer… - Scripta materialia, 2020 - Elsevier
Incipient room-temperature plastic deformation in single-crystal SrTiO 3 at the nanoscale
and the microscale is contrasted by applying a scale-dependent indentation technique …

The nature and motion of deformation-induced dislocations in SrTiO3: Insights from atomistic simulations

AJ Klomp, L Porz, K Albe - Acta Materialia, 2023 - Elsevier
The nature of mechanically induced dislocations in SrTiO 3 at low temperatures has been a
disputed matter for a long time. Here we provide a systematic overview of the existing …

Mechanical tailoring of dislocation densities in SrTiO3 at room temperature

C Okafor, K Ding, X Zhou, K Durst… - Journal of the …, 2022 - Wiley Online Library
Dislocation‐tuned functional properties such as electrical conductivity, thermal conductivity,
and ferroelectric properties in oxides are attracting increasing research interest. A …

Conceptual framework for dislocation-modified conductivity in oxide ceramics deconvoluting mesoscopic structure, core, and space charge exemplified for SrTiO3

L Porz, T Frömling, A Nakamura, N Li, R Maruyama… - ACS …, 2020 - ACS Publications
The introduction of dislocations is a recently proposed strategy to tailor the functional and
especially the electrical properties of ceramics. While several works confirm a clear impact of …

Dislocation-based crack initiation and propagation in single-crystal SrTiO3

X Fang, K Ding, C Minnert, A Nakamura… - Journal of Materials …, 2021 - Springer
Understanding the irreversible deformation (dislocation activation and crack formation) of
functional oxides, based on which various advanced electronic devices are fabricated, is …

Dislocation-based high-temperature plasticity of polycrystalline perovskite SrTiO3

L Porz, M Scherer, M Höfling, A Nakamura… - Journal of Materials …, 2023 - Springer
Dislocation networks have been demonstrated to substantially enhance functional
properties. As-sintered samples are virtually devoid of dislocations, new innovative …

Bridging the Gap between Bulk Compression and Indentation Test on Room-Temperature Plasticity in Oxides: Case Study on SrTiO3

X Fang, L Porz, K Ding, A Nakamura - Crystals, 2020 - mdpi.com
Dislocation-based functionalities in inorganic ceramics and semiconductors are drawing
increasing attention, contrasting the conventional belief that the majority of ceramic materials …