Ag-EuAssessed Ag-EuPhase DiagramWeight Percent Europiurn2030506070801040901000T1000961.83cC900-L822°792°℃800245722X712°℃3/69g℃c70012.525.5673°c648°cV48600570°c500十(Ag)429°c79400Fngnava'na300(Eu)-t2001,T1002030405070806090100Atomic Percent EuropiumAgEuAtomic Percent Europium20304010)50607080901001000.......961.93℃c900L822℃0HOO745722712℃cα609c70016.7673℃32.5648℃56.5600570°c500(Ag)429°℃84.1400Cnaayna'ayna300(Eu)200rr7*4203040501000106070H0)90Weight Percent.EuropiumEuAgK.A. Gschneidner,Jr. and F.W.Calderwood, 1985.23BinaryAlloyPhaseDiagrams
Ag-EuAg-FeAg-Eu Crystal Structure Datatermediate phase in which Eu atomssubstitute for some of the Ag atoms,Struktur-designated as AgEu(Eu) by [65Kos],Composition,Pearsonberichtis shown as Ag,Eu.[70Mcm] foundPhaseSpace groupPrototypeat.%EusymboldesignationAg,Eu to be the Ag-rich compound in0Cu(Ag)cF4Fm3mA1the Ag-Eu system.16.7hP6P6/mmmD2aAg,EuCaCusThe solubility of Eu in Ag (0.01 to20tI10Ag,Eui4/mD1aMoNi.++++0.02 at.% Eu at 710 °C as reported by33.3ol12..Ag,EuImmaCeCu.+[70Gsc), is so low that it has not beenB2750oP8PnmaFeBAgEuindicated in the assessed diagram. ThetP1060P4/mbmD5.U,Si2Ag,EusEu-rich side of the present diagramw(Eu).100c12A2Im3mabove87at.%Euisdrawnasdashedlines, because the only available da-tum for this region is the meltingAgEug-Eu (429 °C, 79 at.% Eu).65Kos: W.Koster and J.Meixner,Z.Me-point of Eu.tallkd.56,695-703(1965).[65Kos|reported theexistenceof the[79Bus] investigated several amor-70Gsc: K.A. Gschneidner, Jr., O.D.following phases: AgsEu (peritecticphous alloys of Eu and Ag made byMcMasters, D.G. Alexander, and R.F.formation at722C),Ag,Eu (meltingmelt-spinning compositions near theVenteicher,Metall.Trans.,1,1961-197point, 745 °C), Ag,Eu(Eu) (meltingdeep eutectics in the Eu-Ag phase(1970)point, 792 °C), AgEu (melting point,diagram. X-ray diffraction films70Mcm: O.D. McMasters, K.A. Gschneid.673 °C), and Ag,Eus (peritectic for-showed haloes for various concentra-ner, Jr., and R.F. Venteicher, Actamation at 570 °C). The phase desig-tions in the composition range be-Crystallogr.,B26,1224-1229 (1970)nated as AgzEu(Eu) was reported totween AgigEus1 and Agu2Euis. Ther-79Bus: K.H.J.Buschow and W.W.van denHoogenhof, J. Magn. Magn. Mater., 12,have the orthorhombic CeCuz-typemal stability of the amorphous123-126(1979)structure with some Eu atoms occu-Eu-rich alloys was low; amorphous80Bus:K.H.J.Buschow,J.H.van Vucht,pying Ag sites, making the actualAghEu4e began to recrystallize atand W.W.van den Hoogenhof,J.Lessabout 150 °C. Ferromagnetic order-composition correspond to Ag,Eug.CommonMet.,75,17(1980).Four eutectics were also reported: Ag-ing occurred in the amorphous alloysAg,Eu (710C, 12.5 at.%Eu), Ag,Eu-whereas both ferromagnetic and an-Ag2Eu (699 C, 25.5 at.% Eu), Ag2Eu-tiferromagnetic types of ordering tookComplete evaluation contains 1 figure, lAgEu (648°C,48 at.% Eu), andplace in the crystalline compounds.table, and 13 references.Ag-Fe (Silver-Iron)107.868255.847L.J. Swartzendruber, Bull. Alloy Phase Diagrams, 5(6), Dec 1984The equilibrium phases of Fe-Agygen was observed, with wetting oc-provement in the acid or atmosphericare: (1) the liquid; (2) a, the solid s0-corrosion properties.In a study of thecurring only at low partial pressureslution based on low-temperature bccwetting behavior of molten Ag on Fe,of oxygen.Fe; (3) , the solid solution based onhigh sensitivity to the presence of ox-Fe-Ag alloy films with up to 80 at.%high-temperature bcc Fe; (4) , thesolid solutio.based on fcc Fe; and (5)Invariant Reactions in theFe-Ag System Calculated from(Ag), the solid solution based on fccThermodynamic ModelingAg. The mutual solubility of Ag andFe is very low in both the solid and-Composition,Temperature,Reactionliquid. The solubility of Ag in solidReaction'Cat.%AgtypeFe reaches a maximum of approxi-0.2591533mately 0.022 at.% at 1398 °C in theL8+L.0.016899.14Monotectic0.00890.02299.471398Peritectic8+ L,zyphase.99.9499.993961L,z+ (Ag)...0.0016EutecticData on the Fe-rich side for the sol-.0.00020.001099.996911.5Eutectoid=α+(Ag)ubility of Ag in the phase weretaken from [73Wril. On the Ag-richside, the data of [69Ber] were usedFe-Ag Crystal Structure Datafor the solubility of Fe between 650and 912 C.The remainder of the as-Struktur-sessed diagram is estimated fromComposition,PearsonSpaceberichtthermodynamic modeling and isbasedPhasedesignationPrototypeat.% Agsymbolgroupon review of the work of [30Tam],c12A2w8, (8Fe), or bcc0to 0.017Im3m[55Chi], and[58Gib].....CF4A1Cuy,(Fe),orfe0 to 0.022Fm3mThe addition of Ag to electrolyticWcl2A20 to 0.0002Im3ma, (afe), or bccFe leads to a retained Ag content asA1.99.9935to100CF4Fm3mCu(Ag)orfechigh as 0.69 wt.%, but with no im-24BinaryAlloy PhaseDiagrams
Ag-FeAssessed Fe-AgPhase DiagramWeight Percent Silver0102050607080903040100Ly + L2160031533c (0.017,0.026,99.1)1538℃(0Fe) + L21398℃c（0.009,0.022,99.5)1400hataeadl81200-(Fe) + L21000981℃c(0.002,99.9409.903)961.93℃c(Fe) + (Ag)911.5℃(0.0002,0.001,99.996)To800770°c(αFe) + (Ag)C60090O1020304050607080100Atomic Percent SilverFeAgAtomic Percent Silver3050010204060708090100ltL + L216001533°c（0.033,0.050,99.53)1538℃c(6Fe) + L21398℃c（0.017,0.042,99.7）140081200(Fe) + L21000981℃c (0.004, 99.97, 99.9964)981.83c(Fe+（Ag)911.5c（0.0004.0.002.89.998)Te800-(αFe) + (Ag)600+2030405060708090100010Weight Percent SilverFeAgL.J.Schwartzendruber,1984.Binary AlloyPhaseDiagrams25
Ag-FeAg-GaAg were made using coevaporationFe-Rich Portion of the Fe-AgPhase Diagramonto cooled substrates.X-ray diffrac-tion patterns for alloys containing 20Weight Percent Silverto 70 at.% Ag showed broad halos,in-0.0000.1000.2000.,3000.4000.5000.600dicating amorphous alloys. Resistiv-ity measurements as a function ofLi1900temperature showed the amorphous+ L215380cstates to be stable up to-250 °C, with15330cirreversible changes occurring above(6Pe)(6Fe) + L2this temperature [83Tak]. Metasta-1398°c14001304℃ble thin-film alloys (5 to 10 μm thick)8(Fe)were prepared near the equiatomic口composition by sputtering onto cooledsubstrates. X-ray diffraction and(Fe) + L2Mossbauer measurements indicatedathat these films were amorphous al-loys[83Chi]The solubility of Ag in Fe is too1000961°℃small to determine any effect of Ag(Fe) + (Ap)911.5°cadditions on the Curie temperatureof pure Fe. Using the Mossbauer ef-(αFe) + (Ag)fect to study the local magnetization800D0.3OA000.1for isolated Fe atoms in Ag, a KondoAtomic Percent SilverPecondensationtemperature of approximately 1.3 K was obtained. The tem-L.J.Swartzendruber, 1984.perature at which the magnetic sus-ceptibility reached a maximum formetastable alloy films containing 2to 8 at.% Fe was found to be approx-Ag-Rich Portion of the Fe-Ag Phase Diagramimatelyproportional tothesquarerootof the concentration, with a value ofWeight Percent Silver20 K at 8 at.% Fe. The saturation in-99.00090.20099.60099,400DOduction of metastable Fe-Ag filmsdemonstrated a monotonic decreaseLi + L21600with increasing Ag content from O to15330c80 at.% Ag.The Curie temperatureof metastable alloy films containing(Fe) + L2from50to60 at.%.Ag varied from30140013980coCL2to -170°C for alloys containing from50to60at.%Ag.30Tam: G, Tamman and W. Oelsen, Z.(Fe) + L2Anorg.Chem., 186, 277-279 (1930) inGerman.55Chi: J.Chipman and T.P.Floridis,Acta1000Metall.,3,456-459(1965)9610c0180958Gib:W.S. Gibson and W.Hume-Roth-(Fe)+(Ag)911.50cery,J.Iron Steel Inst., 189, 243-250(1958)(αFe) + (Ag)69Ber: J. Bernardini, A. Combe-Brun, and900o:10008.5J. Cabane, C.R. Hebd. Seances Acad.'Atomic Percent SilverAgSci.,269,287-289(1969)in French.73Wri: H.A.Wriedt, W.B.Morrison, andL.J.Swartzendruber,1984.W.E.Cole,Metall.Trans.,4,1453-1456(1973),83Chi: C.L.Chien and K.M.Unruh, Phys.Reu.B, Condens. Matter, 28(3), 12i4.83Tak: M. Takao and H. Senno, J. Magn.Completeevaluationcontains5figures,51218 (1983)Magn.Mater.,31-34,949-950(1983).tables, and 20 references.a (Silver-Gallium)107.868269.72β: A3. β': tAgZn.The Ag-Ga phase diagram is re-drawn from [Metals].26BinaryAlloyPhase Diagrams
Ag-GaAg-Ga Phase DiagramWeight Percent Gallium01020304050607080901001000961.93℃L8008611℃18.8600ne(Ag)β~425°c400~375℃17.7380°℃328°R.11.9/2006-..29.7741℃25°c~97(Ga)012030708010001040506090GalliumAtomicIPercentGaAgAtomic Percent Gallium2030607080n1040901001000FTTPTTTTTI+T961.83℃L80081600 (Ag)3~425℃400~375°℃12.2380328°℃..2008.0/6-江---.25°℃29.741℃~95.5.h(Ga)0 I++TTTTTTTTT5060010203040708090100WeightPercentGalliumGaAgFrom [Metals].27BinaryAlloyPhase Diagrams