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Engineering periodic arrays of nanoscale twin boundaries in bulk with additions
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10.1063/1.2172157
/content/aip/journal/apl/88/6/10.1063/1.2172157
http://aip.metastore.ingenta.com/content/aip/journal/apl/88/6/10.1063/1.2172157
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) The a-b plane-view TEM image showing the occurrence of twin lamellae on both sides of a nanocrystalline band. Inset: SAD pattern of the lower region. (b) TEM micrograph and SAD pattern of a nanocrystalline band. (c) The plane-view TEM image of a twin complex boundary with arrays of emerging accommodation nanotwins. Dashed lines indicate the thickness and orientation of a cross-sectional sample for plane-view imaging [Fig. 1(d)]. (d) c-b plane-view TEM image of a complex twin boundary. Arrows indicate crystallographic directions.

Image of FIG. 2.
FIG. 2.

Temperature dependence of the irreversibility lines for YBCO with the periodical TB structure and for the reference sample without TB. The inset shows the temperature dependence of the critical current density for YBCO with and without nanoscale TB.

Image of FIG. 3.
FIG. 3.

The irreversibility temperature plotted as a function of .

Image of FIG. 4.
FIG. 4.

Temperature and current density dependence of the activation energy of YBCO with nanoscale TB in applied fields: 1 and 2 T (inset). The solid lines are fits of the data to Eq. (3).

Image of FIG. 5.
FIG. 5.

Temperature and current density dependence of the activation energy of YBCO with nanoscale TB in an applied field of 4 T. The solid lines are fits of the data to Eq. (3).

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/content/aip/journal/apl/88/6/10.1063/1.2172157
2006-02-08
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Engineering periodic arrays of nanoscale twin boundaries in bulk YBa2Cu3O7−δ with RuO2 additions
http://aip.metastore.ingenta.com/content/aip/journal/apl/88/6/10.1063/1.2172157
10.1063/1.2172157
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