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PDF#40-1242: QM=Blank(B); d=Diffractometer; I=Diffractometer
Aluminum Chromium
Al80 Cr20       
Radiation=CuKa        Lambda=1.5418        Filter=Graph
Calibration=External(Quartz)        2T=22.822-73.235        I/Ic(RIR)=
Ref: Dunlap, R., Dalhousie University, Halifax, Nova Scotia, Canada.
Private Communication (1988)
(Unknown) - (Unknown)        Z=        mp=
        P.S=
Density(c)=        Density(m)=        Mwt=3198.44        Vol=0.00       
Ref: Ibid.

Strong Lines: 2.20/X 2.09/5 3.89/1 2.53/1 1.29/1 3.36/1 1.51/1 1.47/1 1.78/1 0.00/1
NOTE:  Ingot prepared by arc melting of high purity elemental components under an argon atmosphere.
Alloys were rapidly quenched by ejecting melts through a 0.7 mm orifice onto the surface of an 11 cm diameter Cu roller.
Surface velocity of the roller was 60 m/s and quenching was performed in a helium atmosphere.
The quasilattice constant, aR=4.65(2), has been defined by Elser, Phys.
Rev.
B, 32 4892 (1985).
This alloy forms a single phase icosahedral structure.
Space group: m-3-5.
Icosahedral phase.
2-Theta        d(?)         I(v)        ( h k l )        Theta        1/(2d)        2pi/d        n^2
22.822        3.8933        8.0                 11.411        0.1284        1.6138         
26.506        3.3600        3.0                 13.253        0.1488        1.8700         
35.482        2.5279        6.0                 17.741        0.1978        2.4855         
41.035        2.1977        100.0                 20.518        0.2275        2.8590         
43.362        2.0850        54.0                 21.681        0.2398        3.0135         
51.249        1.7811        4.0                 25.625        0.2807        3.5277         
61.524        1.5060        7.0                 30.762        0.3320        4.1721         
63.097        1.4722        6.0                 31.548        0.3396        4.2679         
73.235        1.2914        12.0                 36.617        0.3872        4.8654
2Â¥2013-07-09 07:53:28
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