79page

^114tr rE^1| 67 (1) dzlds.s +44zlzl Czlts .J+E Er-14, zlAl4 Cds. B+dtrI. "JHl4 oE dzlds.s. zl z)zla aEe+ zlEzl €zlell. +Eql €Cg 4uultl4. +44zlzl € tr|"il 4z) dss.zl 7)^)= ol+= flzl9 utl 9ol #44o1 gE E+4+ qql El6Iq dEdz} E t+ol 442)zl elEol4. dol$s. ol^JE -t$s.=. frzlalfl EL+e d+ Eit=ltl4z} €u}. olag E+"1 +B6lE E+4^JEIE l*nlzl. eq4l4. lq+ lgs.E *zlt -J+g ^]B6IE +4^JErlE z$alzI gqdq. ol F zlz) l*nl9 dzlz-1a39 Au-cu*?ql trll6lq +e+ 4ol tf B 2-56)olr+. \So/oAu 'l Slo/oAug AuCu3, AuCuQl 8ll'&6}= =Cql ^l = 4rJ {zlz]a}o1 €z]a}zl ?l;1a 9}r-}. le-l+ TSo/oAu4 Aucurel 6llB6}= eCql^'l Hslz} 'Irl4zl 9*= ,)? Auscu9 dol$Ezl ^JgHq **s=. tSql ^ .]9 +eql^l= Hglz} 4e},fzl 9*zl 4lEol4. (z) Hl I +4 -E+=l H Ell= "J s zl. -J#E El g (specific heat)4 gEe+9 +al= +a6IE 'J+4 0E trB 2-571+ z! e E*E +dg e=4. rzi el Hl g g ol^J4 "J Dulong-Petite9 B zl ql nl E eI ABCDGHe+ 'J? +d ol 9 "l oI 6I a zlt, +=l-E+=lHEIzI "Jq+E alE $ + flzL ull 9ol +4+ +4d T.+= T ql^.1 ul I ol z)zlt_ ABCDEFG9+ ?ol €q. r.d oI r]9 H4 zI E+zl 9*= ol+. t.olt9 gEql^l BoIilE t H 9l f 4 E. o|$ol4. ul+^] El g E +dg FG-E -E^lqa ol^J+d DG-H- trl =g +q 9l9q 8s.21 T,olrlol qE +e^16]l Tl4. E HEllzI .Jq+ = ag T.aql gq+= 4ol olq4 +d cE-E s.^lq= 4+'Jol T,4l.r'1 T"ql ol == +EHg dnlq ai^.] HEllzl .Jq+ 9l+g'J + 91r+. trB 2-581e pEJ E9 +=l-E+=lH4= "Jez13 Hl g+ gEel9 +al= +4,]1 94. x 10-6 15 10 02550 Cu 75 100 Au Aulat.Vol :.aJ 2_56 Cu_Au-sr-=el +^lelsl ETlrl:dle-l EEI A \ E+1 N 4 * ..I A +=l \ \