Marcks, Jonathan C. https://orcid.org/0000-0002-6162-8091
Eagen, Emily https://orcid.org/0009-0004-3544-344X
Brann, Emma C. https://orcid.org/0009-0009-4923-1102
Losert, Merritt P. https://orcid.org/0000-0002-8001-0326
Oh, Talise
Reily, J. https://orcid.org/0009-0006-6660-3973
Wang, Christopher S.
Keith, Daniel
Mohiyaddin, Fahd A.
Luthi, Florian
Curry, Matthew J. https://orcid.org/0000-0001-9352-5727
Zhang, Jiefei https://orcid.org/0000-0002-7329-3110
Heremans, F. Joseph https://orcid.org/0000-0003-3337-7958
Friesen, Mark https://orcid.org/0000-0003-2878-2844
Eriksson, M. A. https://orcid.org/0000-0002-3130-9735
Funding for this research was provided by:
DOE | Office of Science
United States Department of Defense | United States Army | U.S. Army Research, Development and Engineering Command | Army Research Office (W911NF-23-1-0110)
United States Department of Defense | United States Army | U.S. Army Research, Development and Engineering Command | Army Research Office (W911NF-22-1-0090)
United States Department of Defense | United States Army | U.S. Army Research, Development and Engineering Command | Army Research Office (W911NF-22-1-0090)
United States Department of Defense | United States Army | U.S. Army Research, Development and Engineering Command | Army Research Office (W911NF-23-1-0110)
United States Department of Defense | United States Army | U.S. Army Research, Development and Engineering Command | Army Research Office (W911NF-22-1-0090)
United States Department of Defense | United States Army | U.S. Army Research, Development and Engineering Command | Army Research Office (W911NF-23-1-0110)
United States Department of Defense | United States Army | U.S. Army Research, Development and Engineering Command | Army Research Office (W911NF-22-1-0090)
Oak Ridge Institute for Science and Education
Grainger Fellowship from the University of Chicago
Article History
Received: 29 September 2025
Accepted: 26 November 2025
First Online: 6 December 2025
Competing interests
: M.P.L. and M.F. have applied for a patent on the Ge-containing quantum well structure described here. The remaining authors declare no competing interests.