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Title: Experimental phase diagram of lithium-intercalated graphite

Journal Article · · Phys. Rev. B: Condens. Matter; (United States)

First-order transitions to dilute stage 1 from stages 2--4 and from mixed stages are observed in Li-graphite compounds in the range 430--1020 K. The resulting (T,x) phase boundary agrees generally with predictions by Safran and others except for a sharp peak of very stable stage-2 compositions around xapprox.0.4. The commensurability energy does not contribute to this peak since both low-T and high-T phases are disordered.

Research Organization:
Moore School of Electrical Engineering and Laboratory for Research on the Structure of Matter, University of Pennsylvania, Philadelphia, Pennsylvania 19104
OSTI ID:
6132924
Journal Information:
Phys. Rev. B: Condens. Matter; (United States), Vol. 27:12
Country of Publication:
United States
Language:
English