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Breakthrough Material Holds Key to Reducing Energy Consumption in Computers

Breakthrough Material Holds Key to Reducing Energy Consumption in Computers
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Thomas petersonMaryt johnsonGuichuan yuRobertf hartmannWei jiangAndre mkhoyanPrzemyslaw swatekJavier barriocanalOnri benallyZach cresswellHwanhui yunNational institute of standardsUniversity of minnesota department electricalSemiconductor research corporationUniversity of minnesota characterization facilityA university of minnesota twin cities

New material could hold key to reducing energy consumption in computers and electronics: University of Minnesota researchers create thin film of unique semimetal for the first time

New material could hold key to reducing energy consumption in computers and electronics: University of Minnesota researchers create thin film of unique semimetal for the first time
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Thomas petersonAndre mkhoyanZach cresswellWei jiangHwanhui yunOnri benallyMaryt johnsonJavier barriocanalGuichuan yuPrzemyslaw swatekRobertf hartmannNational institute of standardsUniversity of minnesota department electricalEngineering centerMcknight university professorUniversity of minnesota materials research science

Possibilities for new Transparent Materials that Conduct Electricity

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. The finding was made using advanced transmission electron microscopy (TEM), a technique that can form images with magnifications of up to 10 million. The research is published in Science Advances, a peer-reviewed scientific journal published by the American Association for the Advancement of Science. The conductive nature and preferential direction of these metallic line defects mean we can make a material that is transparent like glass and at the same time very nicely directionally conductive like a metal, said Mkhoyan, a TEM expert and the Ray D. and Mary T. Johnson/Mayon Plastics Chair in the Department of Chemical Engineering and Ma

United statesBharat jalanMaryt johnson mayonHwanhui yunAmerican association for the advancement of scienceUniversity of minnesota twin citiesDepartment of chemical engineeringUniversity of minnesota college scienceUniversity of minnesota professork andre mkhoyanMinnesota professork andre mkhoyanScience advancesAmerican associationMayon plastics chairChemical engineeringMaterials scienceTransparent conductive films

Perovskite defect might lead to transparent conductor

Perovskite defect might lead to transparent conductor A defect found in barium stannate (BaSnO3) perovskite crystals could one day lead to a new type of transparent conductive film, according to scientists at the University of Minnesota. The defect is a one-dimensional (line) defect that runs through single crystals of the material aligned with one of the crystal axis. “The conductive nature and preferential direction of these metallic line defects mean we can make a material that is transparent like glass and at the same time very nicely directionally conductive like a metal,” said chemical engineer Professor Andre Mkhoyan. “This gives us the best of two worlds. We can make windows or new types of touch screens transparent and at the same time conductive. This is very exciting.”

Andre mkhoyanHwanhui yunMkhoyan groupUniversity of minnesotaProfessor andreScience advancesபல்கலைக்கழகம் ஆஃப் மினசோட்டாப்ரொஃபெஸர் ஆண்ட்ரே

Nanotechnology Now - Press Release: 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

Nanotechnology Now Our NanoNews Digest Sponsors 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.

United statesBharat jalanAbhinav prakashK andre mkhoyanJong seok jeongTuran birolMaryt johnson mayonHwanhui yunMehmet topsakalUniversity of minnesota twin citiesDepartment of chemical engineeringUniversity of minnesota college scienceNational science foundationHome press conductiveNational institute of standardsMkhoyan group