Publisher's Note: Transport properties of large-angle grain boundaries containing point defects in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi mathvariant="normal">Y</mml:mi><mml:msub><mml:mi mathvariant="normal">Ba</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi mathvariant="normal">Cu</mml:mi><mml:mn>3</mml:mn></mml:msub><mml:msub><mml:mi mathvariant="normal">O</mml:mi><mml:mrow><mml:mn>7</mml:mn><mml:mo>−</mml:mo><mml:mi>δ</mml:mi></mml:mrow></mml:ms

Boyko, V. S.; Kezerashvili, Roman Ya.; Levine, A. M.

doi:10.1103/physrevb.70.029902

Cited by 1 publication

(3 citation statements)

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“…Most relevant defects are the GBs. We can expect the excess of oxygen vacancies both in the low-angle and high-angle GBs (see, for example, [17,19]).…”

Section: Resultsmentioning

confidence: 99%

“…To determine the adsorption capability of the large-angle GBs with respect to the embryo of stripes formation we expanded approach [19], where the computer simulation of single vacancies in the YBCO was done. The adsorption capability of the GB can be characterized by E GB+emb b -the binding energy of the stripe embryo with the GB.…”

Section: Resultsmentioning

confidence: 99%

“…The molecular dynamics methods exploited in calculations are described in Refs. [18] and [19]. The substantial feature of the present work is the computer simulation of point defects in models of the ideal crystal lattice of the YBCO.…”

Section: Methodsmentioning

confidence: 99%

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Influence of high-angle grain boundaries on the charge order formation in the $\mathrm{YBa_2Cu_3O_{7-δ}}$

Boyko,

Kezerashvili

2009

Preprint

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We are examining the possibility of the formation of charge order in the high-temperature superconductor YBa2Cu3O 7−δ (YBCO) due to interaction between the charged oxygen vacancies or di-vacancies. The molecular dynamics method is used to analyze the displacement fields around these defects. The distribution of displacements around a single charged oxygen vacancy and divacancy, determination of binding energy of oxygen vacancy in di-vacancy demonstrate that there is, in principle, the possibility of the charge order formation in YBCO by charged oxygen vacancies or di-vacancies. It is shown that the charge order formation first of all should be formed near crystal lattice defects and that the high-angle grain boundaries (GBs) regions are preferable places for this formation. The adsorption capability of high-angle GBs with respect to the stripe embryo formation is determined. It is shown that there is a proportional dependence between the repetition distance along the high-angle GBs and an energy advantage of the stripe embryo formation in GBs.

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“…Most relevant defects are the GBs. We can expect the excess of oxygen vacancies both in the low-angle and high-angle GBs (see, for example, [17,19]).…”

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

See 1 more Smart Citation

Influence of high-angle grain boundaries on the charge order formation in the $\mathrm{YBa_2Cu_3O_{7-δ}}$

Boyko,

Kezerashvili

2009

Preprint

View full text Add to dashboard Cite

show abstract

Publisher's Note: Transport properties of large-angle grain boundaries containing point defects inYBa2Cu3O7−δ

Cited by 1 publication

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Influence of high-angle grain boundaries on the charge order formation in the $\mathrm{YBa_2Cu_3O_{7-δ}}$

Influence of high-angle grain boundaries on the charge order formation in the $\mathrm{YBa_2Cu_3O_{7-δ}}$

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