Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Curie temperature control by band parameters tuning in
  Pb(1-x-y-z)Mn(x)Sn(y)Eu(z)Te   We present the study of magnetic and transport properties of
Pb(1-x-y-z)Mn(x)Sn(y)Eu(z)Te. AC magnetic susceptibility measurements as well
as transport characterization were performed. The obtained results indicate
that the presence of two types of magnetic ions influences magnetic properties
of investigated IV-VI semimagnetic semiconductor. A qualitative analysis and
possible mechanisms of the substantial dependence of the Curie temperature on
the Eu content are presented. The most likely reason of the observed Curie
temperature behaviour is a strong dependence of the location of a heavy mass
Sigma band upon the alloy composition. The theoretical calculations in frame of
simple models confirm this point.

16
The categories of this paper are: stat
21
The categories of this paper are: adap-org
29
The categories of this paper are: funct-an
0
The categories of this paper are: hep-ph
25
The categories of this paper are: patt-sol
6
The categories of this paper are: astro-ph
3
The categories of this paper are: physics
12
The categories of this paper are: nucl-th
19
The categories of this paper are: eess
23
The categories of this paper are: solv-int
35
The categories of this paper are: mtrl-th
15
The categories of this paper are: nucl-ex
26
The categories of this paper are: bayes-an
13
The categories of this paper are: quant-ph
17
The categories of this paper are: q-fin
30
The categories of this paper are: q-alg