@article{
 title = {Magnetic, transport and high-pressure properties of a W7Re13B superconducting compound},
 type = {article},
 year = {2007},
 identifiers = {[object Object]},
 keywords = {QC Physics},
 pages = {728-735},
 volume = {728},
 websites = {http://dx.doi.org/10.1088/0953-2048/20/8/002},
 id = {81ea670c-342d-311d-a1e2-98334282f6c9},
 created = {2016-07-08T16:32:48.000Z},
 file_attached = {true},
 profile_id = {665883f5-c199-38de-9ab9-8da2850f5b5e},
 last_modified = {2016-07-19T11:10:40.000Z},
 read = {false},
 starred = {false},
 authored = {true},
 confirmed = {true},
 hidden = {false},
 abstract = {In this report we present experimental and theoretical investigations of the properties of the recently discovered W7Re13B superconductor. This compound is synthesized by means of inductive melting and contains a pure phase with a sharp superconducting transition at T-c = 7.22 K. The superconductor exhibits type-II behaviour with reversible magnetic properties in a large part of the H-T diagram. The irreversibility line with the irreversibility field mu H-0(irr)(0) equal to 2 T is well separated from the upper critical field. The values of lower mu H-0(c1)(0) and upper mu H-0(c2)(0) critical fields are equal to 8.8 mT and 11.8 T, respectively. These values correspond to penetration depth lambda, coherence length xi and Ginzburg-Landau coefficient kappa equal to 2675 angstrom, 52 angstrom and 51, respectively. The critical current density J(c) is low and equal to 4.9 kA cm(-2) at zero magnetic field and at 2 K. The effect of pressure on superconducting properties is almost negligible, probably due to the low compressibility of this compound. The pressure coefficient dT(c)/dP is negative and equal to -0.037 K GPa(-1). The XPS spectrum and numerical calculations confirm that the main contributions to the density of states at the Fermi level come from W(5d) and Re(5d) states.},
 bibtype = {article},
 author = {Andrzejewski, B. and Kowalczyk, a. and Jezierski, a. and Lees, M. R.}
}

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