Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Successive superconducting transitions and Anderson localization effect
  in Ta$_{2}$S$_{2}$C   A complex carbide Ta$_{2}$S$_{2}$C consists of van der Waals (vdw)-bonded
layers with a stacking sequence $...$ C-Ta-S-vdw-S-Ta-C- $...$ along the c
axis. The magnetic properties of this compound have been studied from DC and AC
magnetic susceptibility. Ta$_{2}$S$_{2}$C undergoes successive superconducting
transitions of a hierachical nature at $T_{cl} = 3.61 \pm 0.01$ K
[$H_{c1}^{(l)}(0) = 28 \pm 2$ Oe and $H_{c2}^{(l)}(0) = 7.7 \pm 0.2$ kOe] and
$T_{cu} = 9.0 \pm 0.2$ K [$H_{c2}^{(u)}(0) = 6.0 \pm 0.3$ kOe]. The
intermediate phase between $T_{cu}$ and $T_{cl}$, where $\delta \chi (=
\chi_{FC} - \chi_{ZFC}) \approx 0$, is an intra-grain superconductive state
occurring in the Ta-C layers in Ta$_{2}$S$_{2}$C. The low temperature phase
below $T_{cl}$, where $\delta \chi$ clearly appears, is an inter-grain
superconductive state. The magnetic susceptibility at $H$ well above
$H_{c2}^{(l)}(0)$ is described by a sum of a diamagnetic susceptibility and a
Curie-like behavior. The latter is due to the localized magnetic moments of
conduction electrons associated with the Anderson localization effect,
occurring in the 1T-TaS$_{2}$ type structure in Ta$_{2}$S$_{2}$C.

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The categories of this paper are: quant-ph
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The categories of this paper are: atom-ph
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The categories of this paper are: eess
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The categories of this paper are: q-alg
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The categories of this paper are: astro-ph
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The categories of this paper are: patt-sol
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The categories of this paper are: math
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The categories of this paper are: q-fin
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The categories of this paper are: gr-qc
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The categories of this paper are: cmp-lg
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The categories of this paper are: supr-con
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The categories of this paper are: cs
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The categories of this paper are: math-ph
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The categories of this paper are: plasm-ph
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The categories of this paper are: funct-an
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The categories of this paper are: ao-sci