171 citations · 300 across the 16 of their papers we have counts for
16 papers
Compositionally tuned phase transformations enhance pyroelectric energy harvesting from low-grade heat
Ruiheng Geng, Ka Hung Chan, Xinyue Huang +6
Phase-transforming pyroelectric materials have emerged as promising candidates for low-grade thermal energy harvesting. However, whether first-order transformations with large pyro…
FerroAI: A Deep Learning Model for Predicting Phase Diagrams of Ferroelectric Materials
Chenbo Zhang, Xian Chen
Composition-temperature phase diagrams are crucial for designing ferroelectric materials, however predicting them accurately remains challenging due to limited phase transformation…
Physics-informed Machine Learning Analysis for Nanoscale Grain Mapping by Synchrotron Laue Microdiffraction
Ka Hung Chan, Xinyue Huang, Nobumichi Tamura +1
Understanding the grain morphology, orientation distribution, and crystal structure of nanocrystals is essential for optimizing the mechanical and physical properties of functional…
Bimodal Scaling Law and Size Effect In Superelastic Nanopillars
Mostafa Karami, Xian Chen
Shape memory alloys that can deform and then spring back to their original shape, have found a wide range of applications in the medical field, from heart valves to stents. As we p…
Electric leakage suppression of phase-transforming ferroelectrics with donor impurities
Chenbo Zhang, Xiaotong Peng, Bo Liu +2
Phase-transforming ferroelectric materials are widely used in energy harvesting and conversion devices. However, the functionality of these devices is significantly impeded by elec…
Enhanced functional reversibility in lead-free ferroelectric material over long cycle pyroelectric energy conversion
Chenbo Zhang, Zeyuan Zhu, Ka Hung Chan +2
The ferroelectric material usually exhibits temperature dependent spontaneous polarization, known as pyroelectricity, which can be used to directly convert thermal energy to electr…
Subnanometer Accuracy of Surface Characterization by Reflected-Light Differential Interference Microscopy
Ka Hung Chan, Shengwang Du, Xian Chen
We theorize the surface step characterization by reflected incoherent-light differential interference microscopy with consideration of the optical diffraction effect. With the inte…
Energy conversion from heat to electricity by highly reversible phase-transforming ferroelectrics
Chenbo Zhang, Zhuohui Zeng, Zeyuan Zhu +2
Searching for performant multiferroic materials attracts general research interests in energy science as they have been increasingly exploited as the conversion media among thermal…
Impact of Leakage for Electricity Generation by Pyroelectric Converter
Chenbo Zhang, Zhuohui Zeng, Zeyuan Zhu +2
Pyroelectric energy converter is a functional capacitor using pyroelectric material as the dielectric layer. Utilizing the first-order phase transformation of the material, the pyr…
Derived Crystal Structure of Martensitic Materials by Solid-Solid Phase Transformation
Mostafa Karami, Nobumichi Tamura, Yong Yang +1
We propose a mathematical description of crystal structure: underlying translational periodicity together with the distinct atomic positions up to the symmetry operations in the un…
Data-driven approach for synchrotron X-ray Laue microdiffraction scan analysis
Yintao Song, Nobumichi Tamura, Chenbo Zhang +2
We propose a novel data-driven approach for analyzing synchrotron Laue X-ray microdiffraction scans based on machine learning algorithms. The basic architecture and major component…
Battery Detached Energy Conversion by Pyroelectric Effect
Chenbo Zhang, Yintao Song, Maike Wegner +2
We propose a pyroelectric energy conversion device that converts heat directly to electricity. In contrast to conventional pyroelectric energy conversion designs, this energy harve…
Origins of the transformability of Nickel-Titanium shape memory alloys
Xian Chen, Colin Ophus, Chengyu Song +7
The near equiatomic NiTi alloy is the most successful shape memory alloy by a large margin. It is widely and increasingly used in biomedical devices. Yet, despite having a repeatab…
Precise characterization of polarizing prisms by optical localization analysis
Hoi Chun Chiu, Zhuohui Zeng, Luwei Zhao +3
We utilize the localization analysis method to precisely determine the light beam positions with the spatial separation beyond the optical diffraction limit. By such a direct spati…
Determination of the stretch tensor for structural transformations
Xian Chen, Yintao Song, Nobumichi Tamura +1
The transformation stretch tensor plays an essential role in the evaluation of conditions of compatibility between phases and the use of the Cauchy-Born rule. This tensor is diffic…
Study of the cofactor conditions: conditions of supercompatibility between phases
Xian Chen, Vijay Srivastava, Vivekanand Dabade +1
The cofactor conditions, introduced in James and Zhang, are conditions of compatibility between phases in martensitic materials. They consist of three subconditions: i) the conditi…