<?xml version='1.0' encoding='utf-8'?>
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<creators>
<creator>
<creatorName>Molcianova, E.</creatorName>
<affiliation>Universitatea de Stat din Moldova, Moldova, Republica</affiliation>
</creator>
</creators>
<titles>
<title xml:lang='en'>Field dependence of activation energy of thermally activated flux flow in superconducting MgB2 films</title>
</titles>
<publisher>Instrumentul Bibliometric National</publisher>
<publicationYear>2005</publicationYear>
<relatedIdentifier relatedIdentifierType='ISBN' relationType='IsPartOf'>9975-9716-1-X</relatedIdentifier>
<subjects>
<subject>superconductivity</subject>
<subject>activation energy</subject>
<subject>flux flow</subject>
</subjects>
<dates>
<date dateType='Issued'>2005</date>
</dates>
<resourceType resourceTypeGeneral='Text'>Conference Paper</resourceType>
<descriptions>
<description xml:lang='en' descriptionType='Abstract'><p>Recently [1] an unusually strong field dependence of the activation energy, U(B), of magnetic flux motion in the novel superconductor, MgB2 , was found. The aim of the present work is the definition of the dependence U =f(B). In Fig.1 is shown the field dependence U(B), found for thin MgB2 films in [1]. For choosing of the type of the function U(B) the calculating program was wrote in &bdquo;Delphy-language&rdquo;. The working algorithm was the method of least squares.</p><p>figura</p><p>Fig.1. Magnetic field dependence of the activation energy of flux flow in MgB2 deposited on Al2O3 substrate. The data are taken from [ 1]. As one can see, MgB2 demonstrates a strong field dependence of the activation energy, the exponential one, U(B) = 11894e-0.37B, with the critical index equal to 0.37.</p></description>
</descriptions>
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<format>application/pdf</format>
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</resource>