UNSPECIFIED (2000) Critical fluctuations and quenched disordered two-dimensional charge stripes in La5/3Sr1/3NiO4. PHYSICAL REVIEW LETTERS, 84 (17). pp. 3911-3914.

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Abstract

Using high-resolution x-ray scattering, we have demonstrated the existence of quenched disordered charge stripes in a single crystal of La5/3Sr1/3NiO4 at low temperatures. Above the second-order transition critical scattering was observed due to fluctuations into the charge stripe phase. The charge stripes are shown to be two dimensional in nature both by measurements of their correlation lengths (xi(a) approximate to 185 Angstrom, xi(b) = 400 Angstrom, and xi(c) approximate to 25 Angstrom) and by the critical exponents of the charge strip transition. The charge stripe orderings did not develop long-range order even at low temperatures, indicating that the charge stripes are disordered and that the length scale of the disorder is quenched.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics
Journal or Publication Title:	PHYSICAL REVIEW LETTERS
Publisher:	AMERICAN PHYSICAL SOC
ISSN:	0031-9007
Official Date:	24 April 2000
Dates:	Date Event 24 April 2000 UNSPECIFIED
Volume:	84
Number:	17
Number of Pages:	4
Page Range:	pp. 3911-3914
Publication Status:	Published

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