Symmetry breaking at magnetic surfaces and interfaces

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Description

Examples represented of how symmetry breaking enters into consideration of the physical properties of magnetic surfaces and ultrathin films. The role of magnetic anisotropy is discussed to understand: (i) the existence of two-dimensional (2D) magnetic long-ranged order at finite temperature, (ii) magnetization scaling behavior at the Curie transition, (iii) the 2D spin reorientation transition, and (iv) step-induced magnetic behavior. Experimental examples cited include ultrathin magnetic Fe and Co overlayer and wedge structures grown onto single crystal substrates that are either flat or curved to produce vicinal surfaces with a continuous gradient in the step density. Also included is an example ... continued below

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32 p.

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Qiu, Z. Q. November 20, 1998.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 11 times . More information about this article can be viewed below.

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Description

Examples represented of how symmetry breaking enters into consideration of the physical properties of magnetic surfaces and ultrathin films. The role of magnetic anisotropy is discussed to understand: (i) the existence of two-dimensional (2D) magnetic long-ranged order at finite temperature, (ii) magnetization scaling behavior at the Curie transition, (iii) the 2D spin reorientation transition, and (iv) step-induced magnetic behavior. Experimental examples cited include ultrathin magnetic Fe and Co overlayer and wedge structures grown onto single crystal substrates that are either flat or curved to produce vicinal surfaces with a continuous gradient in the step density. Also included is an example of an atomically flat manganite intergrowth that appears as a stacking fault in a bulk single crystal of a naturally layered structure.

Physical Description

32 p.

Notes

OSTI as DE00011055

Medium: P; Size: 32 pages

Source

  • International Symposium on Surface and Interface : Properties of Different Symmetry Crossing, Tokyo (JP), 11/19/1998--11/21/1998

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  • Report No.: ANL/MSD/CP-97486
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 11055
  • Archival Resource Key: ark:/67531/metadc628520

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  • November 20, 1998

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 12, 2017, 1:18 p.m.

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Qiu, Z. Q. Symmetry breaking at magnetic surfaces and interfaces, article, November 20, 1998; Illinois. (digital.library.unt.edu/ark:/67531/metadc628520/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.