Dr. Zang Named AAAS Fellow

University of Utah materials science and engineering professor Ling Zang was elected to the rank of Fellow to the Council of the American Association for the Advancement of Science (AAAS) for his “distinguished contributions to the research of molecular self-assembly and nanostructures, and development of optical and electrical chemical sensors for applications in public safety, health and environment.”

Zang along with other newly named Fellows will be inducted during the organization’s Annual Meeting, to be held Feb. 19 in Philadelphia. The AAAS has members in more than 90 countries and is also the publisher of the Science family of research journals.

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Dr. Stringfellow Named NAI Fellow

Materials science and engineering and electrical and computer engineering Distinguished Professor Gerald Stringfellow, a former dean of the U’s College of Engineering and a pioneer in LED technology, has been elected as the latest new fellow of the National Academy of Inventors from the University of Utah’s College of Engineering.

Stringfellow is one of two from the U’s College of Engineering to be elected to fellowship this year. Bruce Gale, chair of the Department of Mechanical Engineering, is the second to receive the honor. Elected fellows are academic inventors who “have demonstrated a highly prolific spirit of innovation in creating or facilitating outstanding inventions that have made a tangible impact on quality of life, economic development and the welfare of society,” according to the academy.

“It is an honor, and I am grateful to have been elected to fellowship this year,” Stringfellow said. “I don’t consider myself an inventor in the traditional sense because I don’t make things. I invent new concepts that help us select materials and processes to improve the production of semiconductor devices, some of which are patented. For example, I provided the concept that led to early red and yellow light-emitting diodes (LEDs). The ideas developed by my group have been used in real-world applications to make improved LEDs, solar cells, and other devices.”

Stringfellow was a group manager with HP Labs in Palo Alto, Calif., in the 1970s when he began developing a new process to create LEDs with multiple colors that require much less power.

Stringfellow proposed a process called organometallic vapor-phase epitaxy for the growth of new semiconductor alloys in which aluminum, gallium, indium and phosphorous are deposited on a substrate to create red, orange, yellow and green LED crystals. This work led to better HP handheld calculators that used red LEDs for the display.

In 1980, Stringfellow took his research to the University of Utah, where he worked as a professor. He made considerable conceptual advances in the field and would later publish a book on the process that has now become the bible for the science of growing LED crystals.

Stringfellow’s work, alongside the development of blue LEDs by three Japanese researchers, led to the advancement of flat-screen LCD televisions (LEDs illuminate the LCD panels), cellphones, solar cells, and new LED light bulbs. LED technology is also used in automobile taillights as well as traffic and pedestrian lights.

Stringfellow received the International Organization for Crystal Growth’s Frank Prize, the top award in the field of semiconductor growth, for his career-long work making light-emitting diodes in 2016. He has received other top awards, including the Rosenblatt Prize from the U and the John Bardeen Award from The Minerals, Metals and Materials Society.

The National Academy of Engineering is a nonprofit organization founded in 2010 that recognizes and encourages inventors, enhances the visibility of the university, educates and mentors students, and publicizes the inventions of its members. Fellows are nominated by their peers “for outstanding contributions to innovation in areas such as patents and licensing, innovative discovery and technology, significant impact on society, and support and enhancement of innovation.”

Dr. Miller named TMS Fellow

Congratulations to metallurgical engineering Distinguished Professor Jan D. Miller, who was chosen to receive The Minerals, Metals and Materials Society (TMS) Fellow Award for the Class of 2022 for “outstanding contributions to the practice of metallurgy, materials science, and technology.” The award includes a lifetime membership to the society and is its top honor.

According to the society, Miller received the award for his “seminal contributions to the characterization and understanding of interfacial phenomena in mineral processing and extractive metallurgy as well as associated mentoring and teaching.”

Miller received his bachelor’s in mineral preparation engineering from Pennsylvania State University, and a master’s and doctorate in metallurgical engineering, both from the Colorado School of Mines.

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Remembering Raj Rajamani

Remembering Raj Rajamani 

It is with deep sadness we share with you the news of the sudden passing away of our beloved and distinguished colleague and friend, Professor Raj K. Rajamani on the late evening of Thursday, Aug 12. Raj, as he is affectionately called, was an outstanding intellectual mind. He was a highly skilled scientist, an excellent engineer, a dedicated philanthropist, and above all, one of the nicest, compassionate, thoughtful, and humble persons.  Raj was a cornerstone of our Metallurgical Engineering program at the University of Utah for more than 40 years and will be greatly missed by his colleagues in the department and in our professional community.

Raj received his Ph.D. at the University of Utah and joined the Metallurgical Engineering faculty in 1979. As a faculty member for more than four decades, he was an excellent teacher and a creative researcher, and he made several significant contributions in comminution, hydrocyclone classification, and was the inventor of a new eddy current separation technology.

Raj was the pioneer in the application of the “Discrete Element Method” in the modeling of charge motion in tumbling mills and lifter design for Ag/SAG and Ball mills. He made great contributions to the computational fluid dynamics modeling of hydrocyclones and pulp lifters of tumbling mills. Notably, his research on the fundamental understanding of grinding efficiencies of overflow and grate discharge ball mills was successfully applied in the industry. He developed the first DEM code for mills called “Millsoft” in the early 1990s which led a revolution in the use of simulations for mining. In 2013 he took this further by applying the latest GPU technology with the Blaze-DEM software. In July 2021 the DEM team that he was leading received an NVIDIA inception start-up award for work on advancing automation in milling.

Most recently, his successful research included contributions on high pressure grinding and ground-breaking innovations in electrodynamic sorting (EDX) of light metals and alloys that has attracted worldwide attention and several million dollars in funding from ARPA-e/DOE.  EDXTM technology for electrodynamic sorting of metals now being commercialized was his most personally satisfying contribution to society as it addressed the recycling of our key metal resources.  Raj supervised the research of more than 30 graduate students over his career and was recognized for his contributions to our profession with the Antoine M. Gaudin Award presented by the Society of Mining, Metallurgy and Exploration (SME) in February 2009. The citation for his award was, “For his seminal work in the application of discrete element methods in the modeling of charge motion in semi-autogenous and ball mill grinding, and for his contribution to the basic science of comminution and classification.” Other awards include the SAG High Flyer Award in 2001 for outstanding contributions toward the development of autogenous and semi-autogenous grinding technology, the 1995 Mellow Met Award for Excellence in Teaching in the Department of Metallurgical Engineering at the University of Utah, and the 2018 Utah Innovations Award in recognition of Electrodynamic Sorting of Light Metals and Alloys (EDX). Raj made many contributions to our profession and had a great career at the University of Utah. We will dearly miss our special friend and wonderful colleague.

Whether it was metallurgy, tennis, art, or the Buddhist philosophical tradition, Raj was incredibly passionate and disciplined about mastering any endeavors he took on. Above all, his family was the center of his universe, and his contributions there far outweigh all others. As we mourn his loss, we keep Raj’s wife Sudha, and two daughters Preetha and Vidya in our thoughts.

We are in touch with the family to plan a “Celebration of Raj’s Life” event. We will share information as appropriate from the family as it becomes available.

Messages to the family can be sent to RKR.Celebration.of.Life@gmail.com. There is a card in the Dean’s Office (205 FASB) for those who would like to sign it.

Virkar Named Distinguished ACS Lifetime Member

University of Utah materials science and engineering Distinguished Professor, Anil Virkar, who is also the H. Kent Bowen Endowed Chair of Materials Science and Engineering, was elected to the grade of Distinguished Lifetime Member of The American Ceramic Society.

The Distinguished Life Member grade is the Society’s most prestigious level of membership and awarded in recognition of a member’s contribution to the ceramics profession.

Virkar earned a Bachelor of Technology in metallurgical engineering from the Indian Institute of Technology, Mumbai, India, a master’s in engineering mechanics from Louisiana State University, and a Ph.D. in materials science from Northwestern University in Illinois.

He joined the University of Utah in 1973 as a postdoctoral fellow and was appointed a research assistant professor in 1974. Two years later, he was named assistant professor, an associate professor in 1979, a professor in 1984, and a Distinguished Professor in 2007. He was named the H. Kent Bowen Endowed Chair in 2015.

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Dr. Xiaojuan Ni, Recent MSE Ph.D. Graduate, Wins Outstanding Dissertation Award

Recent Materials Science & Engineering (MSE) Ph.D. graduate, Dr. Xiaojuan Ni, received the 2020 Outstanding Dissertation Award for The University of Utah’s College of Engineering for her dissertation titled “Growth, Electronic and Transport Properties of Two-Dimensional Materials Beyond Graphene.” Dr. Ni’s dissertation focuses on theoretical and computational studies of novel 2D quantum materials for potential electronic and spintronic applications. A highlight is her original work on demonstrating the robustness of topological insulator (TI) phase against bulk defects. While the topological edge state of TI is well-known to be robustness against non-magnetic “edge” defects, Dr. Ni has systematically showed, for the first time, how “bulk” defects, such as vacancies and grain boundaries, will affect the topological order of electronic states in materials.

Dr. Ni studied under Dr. Feng Liu, Professor of MSE, and was previously recognized by the International Organization of Chinese Physicists and Astronomers with an outstanding dissertation award. She is currently serving a postdoctoral appointment at the University of Arizona. The MSE Department congratulates Dr. Ni in this award and look forward to following her promising academic career.

Prof. Chandran Led Team Receives ARPA-E Ultimate Grant Award

A University of Utah team lead by Dr. Ravi Chandran, Professor of Materials Science and Engineering, which includes Dr. Taylor Sparks, Professor of Materials Science & Engineering, and Dr. Wenda Tan, Assistant Professor of Mechanical Engineering has been awarded $800,000 as the Phase-I finding form ARPA-E Ultimate program and involves the development of next generation high temperature alloys.

Current generation of high temperature alloys for aircraft jet turbines are dominated by nickel base alloys, but their capabilities are limited to about 1100C turbine operating temperature. Alloys for higher temperature, about 1300C, inevitably require new alloys based on refractory metals. The team will use physical metallurgy principles for alloy design, assisted by machine learning, CALPHAD phase diagram simulations, phase field modeling and rapid powder metallurgy processing of alloys to make new alloys and prototype samples to meet the ARPA-E specifications.

The newly funded research project begins May 2021.

Dr. Liu named a 2021 Outstanding Referee by Physical Review

SALT LAKE CITY — Materials Science & Engineering Professor, Dr. Feng Liu, was named an Outstanding Referee for 2021 by the Physical Review journals. Dr. Liu is one of only 151 faculty members worldwide to be bestowed with this honor this year. This Outstanding Referee honor is a lifetime award and recognition.

Instituted in 2008, the Outstanding Referee program expresses appreciation for the essential work that anonymous peer reviewers do for our journals. Each year a small percentage of our 78,400 active referees are selected and honored with the Outstanding Referee designation. Selections are made based on the number, quality, and timeliness of referee reports as collected in a database over the last 40 years.

For a list of the 2021 honorees please click here.

Tiwari Named NAI Senior Member

Congratulations to University of Utah materials science and engineering professor Ashutosh Tiwari, who was elected a National Academy of Inventors (NAI) Senior Member for 2021. He is one of 63 luminaries from 36 institutions named to this year’s class and the only one from Utah.

“It is a great honor to be elected to the National Academy of Inventors as a Senior Member. Though this recognition has been granted to me, it was not possible without the creativity and high-quality research performed by my numerous students and postdocs over the last one and half decades,” said Tiwari. “I am also thankful to the College of Engineering and the University of Utah’s PIVOT Center for providing a conducive environment for high-quality research and innovation.”

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Engineering Entrepreneurship Certificate Grads – College of Engineering

In 2017, leaders at the University of Utah College of Engineering and the David Eccles School of Business recognized a vital intersection between engineering and entrepreneurship – which launched the Engineering Entrepreneurship Certificate (EEC). The unique hybrid of business, entrepreneurship, innovation and law courses has proven to be in-demand across both undergraduate and graduate engineering students.

Fast forward to 2019, and the first student to complete the certificate requirements was Kyle Isaacson. Isaacson earned his Ph.D. in biomedical engineering. Isaacson knew he wanted to stand out, so he applied for the certificate program as soon as it was launched.

“Despite going for a Ph.D., I’ve always known that I was headed for an industry career and not an academic one. I figured this designation would set me apart,” he said.

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