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Uskov AV, Nefedov DY, Charnaya EV, et al. Polymorphism of Metallic Sodium under Nanoconfinement. Nano Lett. 2016;16(1):791-4doi: 10.1021/acs.nanolett.5b04841.
Uskov, A. V., Nefedov, D. Y., Charnaya, E. V., Haase, J., Michel, D., Kumzerov, Y. A., Fokin, A. V., & Bugaev, A. S. (2016). Polymorphism of Metallic Sodium under Nanoconfinement. Nano letters, 16(1), 791-4. https://doi.org/10.1021/acs.nanolett.5b04841
Uskov, A V, et al. "Polymorphism of Metallic Sodium under Nanoconfinement." Nano letters vol. 16,1 (2016): 791-4. doi: https://doi.org/10.1021/acs.nanolett.5b04841
Uskov AV, Nefedov DY, Charnaya EV, Haase J, Michel D, Kumzerov YA, Fokin AV, Bugaev AS. Polymorphism of Metallic Sodium under Nanoconfinement. Nano Lett. 2016 Jan 13;16(1):791-4. doi: 10.1021/acs.nanolett.5b04841. Epub 2016 Jan 04. PMID: 26714113.
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Nano Lett. 2016 Jan 13;16(1):791-4. doi: 10.1021/acs.nanolett.5b04841. Epub 2016 Jan 04.

Polymorphism of Metallic Sodium under Nanoconfinement.

Nano letters

A V Uskov, D Yu Nefedov, E V Charnaya, J Haase, D Michel, Yu A Kumzerov, A V Fokin, A S Bugaev

Affiliations

  1. Physics Department, St. Petersburg State University , St. Petersburg 198504, Russia.
  2. Faculty of Physics and Geophysics, Leipzig University , Leipzig D-04103, Germany.
  3. A.F. Ioffe Physico-Technical Institute RAS , St. Petersburg 194021, Russia.
  4. Moscow Institute of Physics and Technology , Moscow 141700, Russia.

PMID: 26714113 DOI: 10.1021/acs.nanolett.5b04841

Abstract

(23)Na NMR studies of sodium nanoparticles confined to porous glass with the 3.5 nm mean pore size were carried out. The emergence of the second component of the NMR line was observed below 240 K that evidences the occurrence of another modification of metallic sodium. The phase transition temperature is much higher than the martensite transformation temperature in bulk sodium.

Keywords: Knight shift; Sodium nanoparticles; nanoconfinement; polymorphism; porous glass

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