Relaxation and the reentrant appearance of phases in a molecular monolayer | Zendy

Mark L. Schlossman | Zendy; Daniel K. Schwartz | Zendy; P. S. Pershan | Zendy; Erina Kawamoto | Zendy; G. J. Kellogg | Zendy; S. Lee | Zendy

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Relaxation and the reentrant appearance of phases in a molecular monolayer

Author(s) -

Mark L. Schlossman,

Daniel K. Schwartz,

P. S. Pershan,

Erina Kawamoto,

G. J. Kellogg,

S. Lee

Publication year - 1991

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.66.1599

Subject(s) - monolayer , specular reflection , diffraction , reentrancy , relaxation (psychology) , materials science , crystallography , molecule , reflection (computer programming) , condensed matter physics , phase (matter) , order (exchange) , physics , optics , chemistry , nanotechnology , psychology , social psychology , computer science , programming language , finance , quantum mechanics , economics

The structure of monolayers of CH{sub 3}(CH{sub 2}){sub 22}COOH on water, along {similar to}21 {degree}C isotherms between 18 and 35 A {sup 2}/molecule, has been studied with glancing-angle x-ray diffraction and specular reflection. Following an incremental area change, in some regions of the isotherm, the diffraction pattern evolves until the surface pressure {pi} is relaxing {approx lt}0.01 dyn/cm h. Reentrant behavior between tilted and nontilted phases is observed. Phase coexistence is indicated by differences between the deposited area/molecule and the area of the x-ray-determined unit cell.

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