ࡱ> :<9'`v'bjbjLULU <..?.?y l l l l l l l  8@D $xh Ql l l lZZZl l ZZZ:,l l K @_ 0R!xv!KK!l iZ Sl d $ l l l l l l  Magnetic and transport properties of -Zn10Fe D. Stani1,2, P. Pop evi1, J. Ivkov1, A. Smontara1, M. Bobnar3, S. Vrtnik3, M. Feuerbacher4, Z. Jagli i5, J. Dolinaek3 1Institute of Physics, Laboratory for the Study of Transport Problems, Zagreb, Croatia 2Department of Physics, J. J. Strossmayer University of Osijek, Osijek, Croatia 3J. Stefan Institute, University of Ljubljana, Ljubljana, Slovenia 4Institut fr Festkrperforschung, Forschungszentrum Jlich, Jlich D-52425, Germany 5Institute of Mathematics, Physics and Mechanics, Ljubljana, Slovenia We have studied magnetic susceptibility, electrical resistivity, thermoelectric power, thermal conductivity, specific heat and Hall coefficient of a phase () that exists in Zn-rich part of Zn-Fe system. This phase crystallizes in hexagonal space group P63/mmc with unit cell parameters a=12.787(3) , c=57.222(7)  and 556 atoms in unit cell [1]. The sample was a single crystal and magnetic susceptibility measurements reveal that it is a paramagnet without any hysteresis in magnetization curve. The electrical resistivity amount to about 190 mWcm at the room temperature. It is a metallic like with relatively large residual resistivity at low temperatures and positive temperature coefficient, but tends to saturate at room temperature. Low-temperature specific heat in C/T versus T2 plot shows an increase in C/T below 8 K, that is frequently observed in heavy fermion systems. The thermoelectric power is small (<4 VDRVZ\nptvxɵۡxfT@f@fxf@fxfxf&h3mh825H*OJQJ^JmH sH #h3mh825OJQJ^JmH sH #h3mhaPm5OJQJ^JmH sH &h3mhaPm5H*OJQJ^JmH sH )h3mhaPm5>*H*OJQJ^JmH sH &h3mhaPm5>*OJQJ^JmH sH &h3mh75H*OJQJ^JmH sH #h3mh75OJQJ^JmH sH #h3mhb4R5OJQJ^JmH sH #h3mhQ*5OJQJ^JmH sH \R T  Q / 0 %%N&&$R7]R`7a$gd.$}7]}^7a$gdb4R$R]R^a$gdL$R]R^a$gd0$]^a$gdaPm$]^a$gd82 ]]]^gd82^d]^^gd7 Z't'   0 2 4 8 > N P R T V ڷs_N=)&h3mh]6H*OJQJ^JmH sH  h3mhOJQJ^JmH sH  h825H*OJQJ^JmH sH &h3mhaPm5H*OJQJ^JmH sH #h3mh.5OJQJ^JmH sH #h3mhb4R5OJQJ^JmH sH  hUg5H*OJQJ^JmH sH hUg5OJQJ^JmH sH hO5OJQJ^JmH sH &h3mh5H*OJQJ^JmH sH #h3mh5OJQJ^JmH sH &h3mhb4R5H*OJQJ^JmH sH V   Q R f  . / 0 İ{iiZF4*hLOJQJ^J#h3mhUg6OJQJ^JmH sH &hUghUg6H*OJQJ^JmH sH h.6OJQJ^JmH sH #h3mh6OJQJ^JmH sH &h3mh]6H*OJQJ^JmH sH hUg6OJQJ^JmH sH #h3mh.6OJQJ^JmH sH &h3mhaPm6H*OJQJ^JmH sH &h3mhaPm6OJQJ]^JmH sH )h3mhaPm6H*OJQJ]^JmH sH #h3mh826OJQJ^JmH sH 0 I  `   $ & Oyky^QDhh0POJQJ^Jhh3OJQJ^JhhLOJQJ^Jhh6OJQJ^JhhOJQJ^Jhh3mH*OJQJ^Jhh3m6OJQJ^Jhh bOJQJ^Jhh3mOJQJ^J hh3mOJQJ^JmH sH  hhLOJQJ^JmH sH  hh:OJQJ^JmH sH  hhQ*OJQJ^JmH sH  DLNTXrt~DٿٲٲٲudSB hhR?OJQJ^JmH sH  hhA/OJQJ^JmH sH  hhDOJQJ^JmH sH #hhYgH*OJQJ^JmH sH  hhYgOJQJ^JmH sH hhViOJQJ^Jhh bOJQJ^Jhh0POJQJ^Jhhz/,OJQJ^JhhOJQJ^JhhOJQJ^JhhDOJQJ^JhhA/OJQJ^J" ","r"""" #######%F%%Ͼ✋ziXGX6X hhz/,OJQJ^JmH sH  hh bOJQJ^JmH sH  hhLOJQJ^JmH sH  hhLOJQJ^JmH sH  hh=WOJQJ^JmH sH  hhDOJQJ^JmH sH  hhOJQJ^JmH sH  hh OJQJ^JmH sH  hh OJQJ^JmH sH  hhE OJQJ^JmH sH U hhR?OJQJ^JmH sH hhR?OJQJ^J/K) and negative with complicated temperature behaviour (local minimum around 70 K an maximum around 150 K). The thermal conductivity is anomamalolously low (<10 W/mK) for an alloy of metallic elements. Hall coefficient is positive and increases significantly with temperature at lower temperatures, while exhibiting a tendency to saturate at temperatures above the room temperature. Such temperature behaviour could be attributed to the anisotropy of electron scattering times [2]. [1] C.H.E. Belin, R.C.H. Belin, J. Sol. Stat. Chem. 151 (2000) 85 [2] P. Pop evi et al., Phys. Rev. B 81 (2010) p.184203. Corresponding author e-mail: dstanic@ifs.hr Poster presentation preferred     %%%%%% &&0&2&L&N&|&~&&&&&&&Ⱥȩȩț|kYkK3.h3mhb4R5CJOJQJ\^JaJmH sH hLOJQJ^JmH sH #hLhL5OJQJ^JmH sH  hLhLOJQJ^JmH sH hLOJQJ^JmH sH  hLhLOJQJ^JmH sH ho~OJQJ^JmH sH  h3mho~OJQJ^JmH sH hOJQJ^JmH sH hOJQJ^JmH sH  h3mhb4ROJQJ^JmH sH h3ZhLmH sH h"OJQJ^JmH sH &&''X'Z'^'`'d'f'j'l'p'r't'v'gdA# }7]}^7gdY }7]}^7gdb4R }7]}^7gd.& ''V'X'Z'\'`'b'f'h'l'n't'v'иhsTIjhsTIU.h3mh355CJOJQJ\^JaJmH sH .h3mhb4R5CJOJQJ\^JaJmH sH .h3mhQ*5CJOJQJ\^JaJmH sH :&P 1hP:pb4R. 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