Observation of a second stage compound in the intercalation of N2 in C24Rb: a neutron diffraction study

H. Shaked, R. Moreh, H. Pinto, M. Melamud

Research output: Contribution to journalArticlepeer-review

Abstract

Upon cooling a single-phase sample of C24Rb under N2 pressure, intercalation of N2 into C24Rb starts immediately below RT. A single phase of C24Rb(N2)x is formed, where N2 resides at every Rb layer, and x increases monotonically as temperature decreases. In the temperature range 175 > T > 140 K a phase transition occurs, and for T ≤ 140 K three phases co-exist: C24Rb, C24Rb(N2)x and C48Rb2(N2)x. The third phase, has a stacking where N2 resides at every second Rb layer, hence, it is second stage compound in the intercalation of N2 in C24Rb.

Original languageEnglish
Pages (from-to)66-71
Number of pages6
JournalPhysica B: Condensed Matter
Volume233
Issue number1
DOIs
StatePublished - 1 Jan 1997

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