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Researchers build structured, multi-part nanocrystals with super light-emitting properties


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IMAGE: Researchers combined perovskite nanocubes - tiny crystals with useful electrical or optical properties - with spherical nanoparticles to form a regular, repeating structure called a superlattice. Some of these structures.
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Credit: Image courtesy of Maksym Kovalenko and Ihor Cherniukh/ETH Zürich, the Swiss Federal Institute of Technology
AMES, Iowa - Researchers have developed new types of materials that combines two or three types of nanoparticles into structures that display fundamental new properties such as superfluorescence.
The whole goal of this research is to make new materials with new properties and/or exotic new structures, said Alex Travesset, an Iowa State University professor of physics and astronomy and an associate scientist for the U.S. Department of Energy s Ames Laboratory. Those materials are made of very tiny materials, nanoparticles, and lead to properties not shared by more traditional materials made ....

Iowa State University , United States , Maryna Bodnarchuk , Ihor Cherniukh , Max Burian , Alex Travesset , Heinz Amenitsch , Rolf Erni , Rainer Mahrt , Denys Naumenko , Alejandro Travesset , Maksym Kovalenko , Swiss Federal Institute Of Technology , Us Department Of Energy Ames Laboratory , Ames Laboratory , National Science Foundation , Research Team , Paul Scherrer Institute , Research Europe , Graz University Of Technology , Swiss Federal Institute , State University , Gabriele Rain , Scherrer Institute , Swiss Federal Laboratories , Materials Testing ,

Engineered defects in crystalline material boosts electrical performance • News Service • Iowa State University


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Xiaoli Tan and a team of campus collaborators used this transmission electron microscope at the Ames Laboratory s Sensitive Instrument Facility to study the effects of engineering defects into certain materials. Larger photo.
Photo by Christopher Gannon.
AMES, Iowa – Materials engineers don’t like to see line defects in functional materials.
The structural flaws along a one-dimensional line of atoms generally degrades performance of electrical materials. So, as a research paper published today by the journal Science reports, these linear defects, or dislocations, “are usually avoided at all costs.”
But sometimes, a team of researchers from Europe, Iowa State University and the U.S. Department of Energy’s Ames Laboratory report in that paper, engineering those defects in some oxide crystals can actually increase electrical performance. ....

Iowa State University , United States , Lin Zhou , Jurij Koruza , Binzhi Liu , Christopher Gannon , Us Department Of Energy Ames Laboratory , Department Of Energy , Technical University Of Darmstadt , National Science Foundation , Ames Laboratory Sensitive Instrument Facility , Iowa State , Xiaoli Tan , Ames Laboratory , Sensitive Instrument , Sensitive Instrument Facility , Technical University , ஐயுவா நிலை பல்கலைக்கழகம் , ஒன்றுபட்டது மாநிலங்களில் , லின் ஜூ , கிறிஸ்டோபர் கேனான் , எங்களுக்கு துறை ஆஃப் ஆற்றல் அமெஸ் ஆய்வகம் , துறை ஆஃப் ஆற்றல் , தொழில்நுட்ப பல்கலைக்கழகம் ஆஃப் டர்ம்ஸ்டட்ட் , தேசிய அறிவியல் அடித்தளம் , அமெஸ் ஆய்வகம் உணர்திறன் கருவி வசதி ,

Engineered defects in crystalline material boosts electrical performance


Date Time
Engineered defects in crystalline material boosts electrical performance
Xiaoli Tan and a team of campus collaborators used this transmission electron microscope at the Ames Laboratory’s Sensitive Instrument Facility to study the effects of engineering defects into certain materials. Larger photo. Photo by Christopher Gannon.
AMES, Iowa – Materials engineers don’t like to see line defects in functional materials.
The structural flaws along a one-dimensional line of atoms generally degrades performance of electrical materials. So, as a research paper published today by the journal Science reports, these linear defects, or dislocations, “are usually avoided at all costs.”
But sometimes, a team of researchers from Europe, Iowa State University and the U.S. Department of Energy’s Ames Laboratory report in that paper, engineering those defects in some oxide crystals can actually increase electrical performance. ....

Iowa State University , United States , Lin Zhou , Jurij Koruza , Binzhi Liu , Christopher Gannon , Us Department Of Energy Ames Laboratory , Department Of Energy , Technical University Of Darmstadt , Ames Laboratory Sensitive Instrument Facility , Iowa State , Xiaoli Tan , Ames Laboratory , Sensitive Instrument , Sensitive Instrument Facility , Technical University , ஐயுவா நிலை பல்கலைக்கழகம் , ஒன்றுபட்டது மாநிலங்களில் , லின் ஜூ , கிறிஸ்டோபர் கேனான் , எங்களுக்கு துறை ஆஃப் ஆற்றல் அமெஸ் ஆய்வகம் , துறை ஆஃப் ஆற்றல் , தொழில்நுட்ப பல்கலைக்கழகம் ஆஃப் டர்ம்ஸ்டட்ட் , அமெஸ் ஆய்வகம் உணர்திறன் கருவி வசதி , ஐயுவா நிலை , அமெஸ் ஆய்வகம் ,