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Program Highlights

Discovery of a New Line Defect in a Perovskite Oxide

Research

Defects, essentially locations in a crystal where the perfect arrangement of atoms is disturbed, are inherent in materials, and play a key role in their function.

(2017)

Solution-Processed Indium Oxide Transistors: Printing Two-Dimensional Metals

Research

Transistors, the building blocks of all computer technologies, are currently based on semi-conductors such as silicon, manufactured using energy-intensive processes.

(2017)

Efficient and uniform doping of zinc oxide nanocrystals via plasma synthesis

Research

In solution-based synthesis, often doping efficiencies are low and dopants are excluded from the nanocrystals’ central cores. The research team developed a fundamentally different plasma-based process for synthesizing aluminum-doped zinc oxide nanocrystals.

(2016)

How many electrons make a nanocrystal film metallic?

Research

Understanding the transport of electrons in films of touching nanocrystals is of central importance for their future use in printed electronic devices such as light emitting diodes, solar cells, or transistors. The research team developed a new theory that describes the transition of the electron conduction in doped nanocrystal films from a semiconducting to a metallic behavior.

(2016)

American Indian Visit Day

Education

In 2015, the University of Minnesota MRSEC expanded its American Indian Outreach activities with the inaugural American Indian Visit Day.

(2015)

Approaching a Two-Dimensional (2D) Metallic State on the Surface of the Organic Semiconductor Rubrene

Research

Whether metallic behavior can exist in 2D materials is a question that has troubled condensed matter physics for decades. Although originally thought impossible, evidence for such in ultra-clean high-purity doped inorganic semiconductor heterostructures based on materials such as Si and GaAs eventually changed the prevailing view. 

(2015)

Research Experiences for Teachers Student Expo

Education

On May 20, 2015, over 250 middle and high school students participated in the inaugural MRSEC Research Experiences for Teachers (RET) Student Expo.

(2015)

Self-Assembly of Oligomeric Block Copolymer Coatings for Use in Lithographic and Nanopatterning Applications

Research

Postdoctoral research associate Li Yao (Hillmyer) has been exploring the self-assembly of oligomeric block copolymer coatings for use in lithographic and nanopatterning applications that push the current resolution limits.

(2015)

Hall Effect and Near-Metallic Transport in Rubrene

Research

This work represents the first unambiguous confirmation that very large charge densities can be achieved on the surface of organic crystals by using electrolyte gates. 

(2015)

Persistent optically-induced magnetism in SrTiO3-d

Research

In collaboration with the group of Scott Crooker at Los Alamos National Lab and Greg Haugstad of the CSE Characterization Facility, graduate student Palak Ambwani and faculty member Chris Leighton have recently reported a remarkable finding in the area of complex oxides.

(2014)

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