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Home > Press > Conductive nature in crystal structures revealed at magnification of 10 million times: University of Minnesota study opens up possibilities for new transparent materials that conduct electricity
University of Minnesota Professor K. Andre Mkhoyan and his team used analytical scanning transmission electron microscopy (STEM), which combines imaging with spectroscopy, to observe metallic properties in the perovskite crystal barium stannate (BaSnO3). The atomic-resolution STEM image, with a BaSnO3 crystal structure (on the left), shows an irregular arrangement of atoms identified as the metallic line defect core.
CREDIT
Mkhoyan Group, University of Minnesota
Abstract:
In groundbreaking materials research, a team led by University of Minnesota Professor K. Andre Mkhoyan has made a discovery that blends the best of two sought-after qualities for touchscreens and smart windows transparency and conductivity.
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Bharat-jalan
Abhinav-prakash
K-andre-mkhoyan
Jong-seok-jeong
Turan-birol
Maryt-johnson-mayon
Hwanhui-yun
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University-of-minnesota-twin-cities
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January 15, 2021 Using advanced analytical scanning transmission electron microscopy (STEM) at a magnification of 10 million times, University of Minnesota researchers were able to isolate and image the structure and composition of the metallic line defect in a perovskite crystal BaSnO3. This image shows the atomic arrangement of both the BaSnO3 crystal (on the left) and the metallic line defect.
In groundbreaking materials research, a team led by University of Minnesota Professor K. Andre Mkhoyan has made a discovery that blends the best of two sought-after qualities for touchscreens and smart windows transparency and conductivity.
The researchers are the first to observe metallic lines in a perovskite crystal. Perovskites abound in the Earth’s center, and barium stannate (BaSnO3) is one such crystal. However, it has not been studied extensively for metallic properties because of the prevalence of more conductive materials on the planet like metals or semiconductors
United-states
American
Bharat-jalan
Abhinav-prakash
K-andre-mkhoyan
Jong-seok-jeong
Maryt-johnson-mayon
Turan-birol
Hwanhui-yun
Mehmet-topsakal
University-of-minnesota-twin-cities
Department-of-chemical-engineering