Ryan Klein

Ryan Klein

Postdoctoral Researcher-Materials Science

Orcid ID https://orcid.org/0000-0002-6807-6701
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Ryan Klein graduated from the University of Chicago in 2014. He received his doctorate in inorganic chemistry from Northwestern University in 2019, where he worked in the lab of Professor Danna Freedman. His thesis centered around high-pressure inorganic synthesis and studying exotic magnetic phases at extreme conditions. In late 2019, he began his postdoctoral research position at NREL, where he works with Professor Tom Gennett in the Hydrogen Materials—Advanced Research Consortium (HyMARC). As an NREL postdoc, Ryan works remotely full time at the NIST Center for Neutron Research (NCNR) in Gaithersburg, Maryland, with Craig Brown. At the NCNR, Ryan characterizes candidate hydrogen storage materials using neutron diffraction and scattering techniques. In his free time, Ryan enjoys Olympic wrestling and heavy metal music.

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Research Interests

Hydrogen storage materials for use in vehicles including porous materials, metal and complex hydrides, and carriers

Exotic magnetic phases

High-pressure synthesis and materials properties


Ph.D., Inorganic Chemistry, Northwestern University

B.S., Chemistry, University of Chicago

Associations and Memberships

Member, American Chemical Society

Member, American Physical Society

Member, American Geophysical Union

Featured Work


Impact of Pressure on Magnetic Order in Jarosite, Carnegie-U.S. Department of Energy Alliance Center Webinar Series (2021)


Neutron Scattering Studies of Materials for Hydrogen StorageChemistry, Molecular, Sciences and Chemical Engineering (2021)

Structural Resolution and Mechanistic Insight into Hydrogen Adsorption in Flexible ZIF-7Chemical Science (2021)

Neutron Vibrational Spectroscopic Evidence for Short H∙∙∙H Contacts in the RNiInH1. 4; 1.6 (R= Ce, La) Metal Hydride, Journal of Alloys and Compounds (2021)

Investigating the Non-Classical M–H2 Bonding in OsClH3(PPh3)3, Journal of Alloys and Compounds (2021)

Spin Reorientation in Antiferromagnetic Layered FePt5P, ACS Applied Electronic Materials (2021)

Magnetic Structure, Excitations and Short-Range Order in Honeycomb Na2Ni2TeO6, Journal of Physics: Condensed Matter (2021)

Pressure-Induced Collapse of Magnetic Order in Jarosite, Physical Review Letters (2020)

Self-Adjusting Binding Pockets Enhance H2 and CH4 Adsorption in a Uranium-Based Metal–Organic Framework, Chemical Science (2020)

Impact of Pressure on Magnetic Order in Jarosite, Journal of the American Chemical Society (2018)

Awards and Honors

Consortium for Materials Properties Research in Earth Sciences Travel Award (2018, 2018, and 2019)

COMPRES Presentation Award (2019)

Edmund W. Gelewitz Award Finalist (2018)

Northwestern University Marple-Schweitzer Award (2018)