Commensurate-uniaxial-incommensurate transition of monolayer nitrogen on graphite

Qiming Zhang; H. K. Kim; Moses Hung-Wai Chan

doi:10.1103/PhysRevB.32.1820

Commensurate-uniaxial-incommensurate transition of monolayer nitrogen on graphite

Qiming Zhang, H. K. Kim, Moses Hung-Wai Chan

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34 Scopus citations

Abstract

Heat-capacity measurements were made to study the orientational-ordering transition of N2 on graphite in commensurate and incommensurate phases. Whereas a sharp heat-capacity peak was observed in the commensurate (C) and striped or uniaxial-incommensurate (UI) phases, only a broad and weak anomaly was found in the triangular-incommensurate phase. These heat-capacity traces show regions of coexistence indicating the C-UI transition to be first order.

Original language	English (US)
Pages (from-to)	1820-1823
Number of pages	4
Journal	Physical Review B
Volume	32
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevB.32.1820
State	Published - Jan 1 1985

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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10.1103/PhysRevB.32.1820

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abstract = "Heat-capacity measurements were made to study the orientational-ordering transition of N2 on graphite in commensurate and incommensurate phases. Whereas a sharp heat-capacity peak was observed in the commensurate (C) and striped or uniaxial-incommensurate (UI) phases, only a broad and weak anomaly was found in the triangular-incommensurate phase. These heat-capacity traces show regions of coexistence indicating the C-UI transition to be first order.",

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N2 - Heat-capacity measurements were made to study the orientational-ordering transition of N2 on graphite in commensurate and incommensurate phases. Whereas a sharp heat-capacity peak was observed in the commensurate (C) and striped or uniaxial-incommensurate (UI) phases, only a broad and weak anomaly was found in the triangular-incommensurate phase. These heat-capacity traces show regions of coexistence indicating the C-UI transition to be first order.

AB - Heat-capacity measurements were made to study the orientational-ordering transition of N2 on graphite in commensurate and incommensurate phases. Whereas a sharp heat-capacity peak was observed in the commensurate (C) and striped or uniaxial-incommensurate (UI) phases, only a broad and weak anomaly was found in the triangular-incommensurate phase. These heat-capacity traces show regions of coexistence indicating the C-UI transition to be first order.

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Commensurate-uniaxial-incommensurate transition of monolayer nitrogen on graphite

Abstract

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