Amalie Frischknecht


Amalie Frischknecht, Ph.D.


Contact Information

Amalie Frischknecht, Ph.D. / (505) 284-8585


Amalie L. Frischknecht is a Principle Member of Technical Staff at Sandia National Laboratories, and a staff scientist at the Center for Integrated Nanotechnologies (CINT), a DOE Nanoscale Science Research Center and user facility at Sandia and Los Alamos National Labs. She received her PhD in Physics from the University of California, Santa Barbara, in 1998, and went on to postdocs at ExxonMobil Research and Engineering Company (1998-2000) and at Sandia National Laboratories (2000-2003), before becoming a member of technical staff at Sandia in 2003. Amalie is a Fellow of the American Physical Society (APS). She previously chaired the Gordon Research Conference on Polymer Physics (2018) and served as Chair of the APS Division of Polymer Physics (2020-2021). Her research is currently focused on molecular simulation of ion-containing polymers and electrolytes, in particular to better understand ion transport in polymer membranes for energy applications.

Research Interests

Morphology and ion transport properties of polymeric membranes

Properties of polymer nanocomposites

Phase behavior of polymer brushes

Behavior of ions in soft matter systems


Ph.D. in Physics, University of California, Santa Barbara, 1998

B.A. in Physics and Mathematics, Pomona College, Claremont, California, 1992

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Amalie Frischknecht, Ph.D.

Key Publications

A. L. Frischknecht, P. J. in ‘t Veld, I. V. Kolesnichenko, D. J. Arnot, and T. N. Lambert, “Morphology and Dynamics in Hydroxide-Conducting Polysulfones,” ACS Appl Polym Mater 4, 2470-2480 (2022). DOI: 10.1021/acsapm.1c01798.

B.A. Paren, B. A. Thurston, A. Kanthawar, W. J. Neary, A. Kendrick, M. Maréchal, J. G. Kennemur, M. J. Stevens, A. L. Frischknecht, K. I. Winey, “Proton Transport and Morphology in a Hydrated Precise Sulfophenylated Polyethylene: Experiments and Simulations,” Chem Mater 33, 6041-6051 (2021). DOI: 10.1021/acs.chemmater.1c01443.

J. A. Bollinger, M. J. Stevens, and A. L. Frischknecht, “Quantifying single-ion transport in percolated ionic aggregates of polymer melts,” ACS Macro Lett 9, 583-587 (2020). DOI: 10.1021/acsmacrolett.0c00139.

E. G. Sorte, B. A. Paren, C. G. Rodriquez, C. Fujimoto, C. Poirier, L. J. Abbott, N. A. Lynd, K. I. Winey, A. L. Frischknecht, and T. M. Alam, “Impact of Hydration and Sulfonation on the Morphology and Ionic Conductivity of Sulfonated Poly(phenylene) Proton Exchange Membranes,” Macromolecules 52, 857-876 (2019). DOI: 10.1021/acs.macromol.7b01428.

L. M. Hall, M. E. Seitz, K. I. Winey, K. L. Opper, K. B. Wagener, M. J. Stevens, and A. L. Frischknecht, “Ionic aggregate structure in ionomer melts: effect of molecular architecture on aggregates and the ionomer peak,” J. Am. Chem. Soc. 134, 574 (2012). DOI: 10.1021/ja209142b.

Key Patents

D.L. Huber and A. Frischknecht “Nanopatterns by phase separation of patterned mixed polymer monolayers” U.S. Patent 8652768 B1, February 18, 2014.