Events

EFRC seminar 7/11/2024

On 7/11/2024, our 32nd EFRC seminar entitled:

“Quantum Devices with Ge(Sn)”

was presented by Dr. Hugh Churchill from University of Arkansas.

EFRC seminar 6/27/2024

On 6/27/2024, our 31st EFRC seminar entitled:

“Development of Aspect Ratio Trapping growth of
GeSnon Si for MWIR applications”

was presented by Dr. Hryhorii Stanchu from University of Arkansas.

EFRC seminar 6/13/2024

On 6/13/2024, our 30th EFRC seminar entitled:

“Understanding Atomic Short-Range Order in SiGeSn: where are we and what’s next? Part II”

was presented by Dr. Jifeng Liu from Dartmouth College.

EFRC seminar 5/16/2024

On 5/16/2024, our 29th EFRC seminar entitled:

“(Ultra)wide Bandgap Semiconductors for Next-Generation Optoelectronics and Photonics”

was presented by Dr. Zetian Mi from University of Michigan, Ann Arbor.

EFRC seminar 5/2/2024

On 5/2/2024, our 28th EFRC seminar entitled:

“Understanding Atomic Short-Range Order in SiGeSn: where are we and what’s next?”

was presented by Dr. Jifeng Liu from Dartmouth College.

EFRC seminar 4/18/2024

On 4/18/2024, our 27th EFRC seminar entitled:

“Compound semiconductor transistor technology: GeSn, GaN, TiO2 part two”

was presented by Dr. Yuping Zeng from University of Delaware.

EFRC seminar 4/4/2024

On 4/4/2024, our 26th EFRC seminar entitled:

“Compound semiconductor transistor technology: GeSn, GaN, TiO2”

was presented by Dr. Yuping Zeng from University of Delaware.

EFRC seminar 3/21/2024

On 3/21/2024, our 25th EFRC seminar entitled:

“Dual operation modes of the Ge Schottky Barrier metal-oxide semiconductor field-effect transistor”

was presented by David Lidsky from Sandia National Laboratories.

EFRC seminar 1/25/2024

On 1/25/2024, our 24th EFRC seminar entitled:

“Imaging of short-range order with electron microscopy:
from high performance alloys to semiconductor thin
films”

was presented by Dr. Andrew Minor from University of California-Berkeley.

EFRC seminar 12/7/2023

On 12/7/2023, our 23rd EFRC seminar entitled:

“Tuning Topological Phase and Properties in Topological Semimetals”

was presented by Dr. Jin Hu from University of Arkansas.

EFRC seminar 11/16/2023

On 11/16/2023, our 22nd EFRC seminar entitled:

“Path to a dopant-based single electron transistor that works at room temperature“

was presented by Dr. Shashank Misra from Sandia National Laboratories.

EFRC seminar 10/12/2023

On 10/12/2023, our 21st EFRC seminar entitled:

“Emergent Physics at the Metal-Layered Semiconductor Interface“

is presented by Dr. Tim Kidd from University of Northern Iowa .

EFRC seminar 9/28/2023

On 9/28/2023, our 20th EFRC seminar entitled:

“Temperature dependence Raman spectroscopy of GeSn films and the effects of Sn incorporation in Ordering-Disordering of the Ge and Sn atoms”

is presented by Dr. Manoj Shah from University of Arkansas Pine Bluff .

EFRC seminar 9/14/2023

On 9/14/2023, our 19th EFRC seminar entitled:

“Halide perovskites materials for solar cells, light emitting and more”

is presented by Dr. Qinglong Jiang from University of Arkansas Pine Bluff .

EFRC seminar 8/17/2023

On 8/17/2023, our 18th EFRC seminar entitled:

“Semiconductor-rich group IV topological quantum alloy and the role of short-range order”

is presented by Yunfun Liang from Rensselaer Polytech Institute.

EFRC seminar 8/3/2023

On 8/3/2023, our 17th EFRC seminar entitled:

“Exploring Short Range Order (SRO) in (Si) Ge-Sn”

is presented by postdoctoral fellows Dinesh Baral and Nirosh Eldose of the University of Arkansas.

EFRC seminar 7/20/2023

On 7/20/2023, our 16th EFRC seminar entitled:

“Engineering defects in TMDCs to leverage their quantum properties”

is presented by Dr. Kotekar-Patil, an assistant professor of Physics at the University of Arkansas.

EFRC seminar 7/6/2023

On 7/6/2023, our 15th EFRC seminar entitled:

“Utilizing multimodal microscopy to reconstruct Si/SiGe interfacial atomic disorder and infer its impacts on qubit variability”

is presented by Dr. Ezra Bussmann of Sandia National Laboratories.

EFRC seminar 6/22/2023

On 6/22/2023, our 14th EFRC seminar entitled:

“Modeling Hole Mobility of GeSn and Transport in SiGeSn Nanowire Devices”

is presented by Siddhant Gangwal and Izak Baranowski, both graduate students in Dr. Dragica Vasileska’s research group at the University of Arizona.

EFRC seminar 6/8/2023

On 6/8/2023, our 13th EFRC seminar entitled:

“Angle-resolved Photoemission Spectroscopy (ARPES) View of van der Waals Heterostructures“

is presented by Dr. Hiro Nakamura, an assistant professor at University of Arkansas.

EFRC seminar 5/25/2023

On 5/25/2023, our 12th EFRC seminar entitled:

“Epitaxy, Exfoliation, and strain-induced magnetism in rippled Heusler membranes”

is presented by Dr. Jason Kawasaki , an associate professor at University of Wisconsin-Madison.

EFRC seminar 4/27/2023

On 4/27/2023, our 11th EFRC seminar entitled:

“Exploring Structural, Electronic and Magnetic Properties of 2D Materials Utilizing Scanning Tunneling Microscopy and Spectroscopy”

is presented by Dinesh Baral, a Post Doctoral fellow from EFRC PI Fisher Yu at University of Arkansas.

EFRC seminar 4/13/2023

On 4/13/2023, our 10th EFRC seminar entitled:

“Tuning magnetism in layered antiferromagnet Metal thiophosphates MPX3 “

is presented by Rabindra Basnet, a graduate student from EFRC PI Jin Hu at University of Arkansas.

EFRC seminar 3/30/2023

On 3/30/2023, our 9th EFRC seminar entitled:

“Rapid thermal annealing for applications of GeSn-related group-IV semiconductor materials”

is presented by Haochen Zhao, a graduate student from EFRC PI Yuping Zeng at University of Delaware.

DOE EFRC Management Review

The Annual Management Review for this DOE EFRC center took place on March 16th, 2023.

EFRC seminar 3/2/2023

On 3/2/2023, our 8th EFRC seminar entitled:

“Germanium and Silicon Alloy Growth using SnCl4”

is presented by Joshua Grant, a research associate from EFRC PI Fisher Yu at Arkansas State University.

EFRC seminar 2/16/2023

On 2/16/2023, our 7th EFRC seminar entitled:

“Transport Properties for 2D Electrons/Holes SiGeSn”

is presented by Tzu-Ming Lu, Principal Member of Technical Staff at Sandia National Laboratories.

EFRC seminar 2/2/2023

On 2/2/2023, our 6th EFRC seminar entitled:

“MBE Growth Fundamentals of GeSn Alloys”

is presented by Tyler McCarthy, a graduate research associate from EFRC PI Yong-Hang Zhang group at Arizona State University.

EFRC seminar 1/19/2023

On 1/19/2023, our 5th EFRC seminar entitled:

“Development of SiGeSn Technology towards Si-based Optoelectronics”

is presented by Dr. Wei Du, a Professor from University of Arkansas.

External Advisory Board 12/19/2022

On 12/19/2022, μ-ATOMS executive committee met with our External Advisory Board (EAB) for the first time for introductions and to further discuss the EFRC progress and goals. We deeply appreciate EAB members’ comments and suggestions.

EFRC seminar 12/15/2022

On 12/15/2022, our 4th EFRC seminar entitled:

“Characterizing Short-Range Order in the CrCoNi Multiple Principal Element Alloy Using Energy-Filtered Electron Diffraction, HRS/TEM, and 4DSTEM Techniques”

is presented by Mingwei Zhang, a Postdoctoral Researcher from the EFRC PI Andrew Minor group at University of California, Berkeley.

EFRC seminar 12/1/2022

On 12/1/2022, our 3rd EFRC seminar entitled:

“Growth of Ge Core/Ge-Sn Shell Nanowires and Characterization with Extended X-ray Absorption Fine Structure (EXAFS) for Detection of Short-Range Order”

is presented by J. Zach Lentz, a graduate student from the EFRC PI Paul McIntyre group at Stanford University.

EFRC seminar 11/17/2022

On 11/17/2022, our 2nd EFRC seminar entitled:

“3D Nanoscale Mapping of Shart-Range Order in GeSn Alloys“

is presented by Shang Liu, a PhD student from the EFRC PI Jifeng Liu’s group at Dartmouth University.

EFRC seminar 11/03/2022

On 11/03/2022, we are excited to launch the JAC (Junior Advisor Committee) EFRC seminar series.

The first seminar entitled:

“Short-range order in Si-Ge-Sn alloys“

is presented by Xiaochen Jin, a PhD student from the EFRC PI Tianshu Li’s group at George Washington University.