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小木虫论坛-学术科研互动平台 » 材料区 » 晶体 » 基础理论 » 求问体心立方的Mn的晶格常数最好有相关文献
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1楼 2013-12-04 11:06:11
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Card Information
Names:        alpha-Manganese
Formula:        Mn
PDF Number:        32-637
Quality:        star
Subfiles:        inorganic alloy CP  NBS

Cell and Symmetry Information
System:        cubic        Space Group:        I-43m    (no. 217)
a:        8.9121       
Density (Dx):        7.473        Z:        58

Instrument Information
Radiation:        CuKa1        Wavelength:        1.540598        
Instrument(d):        unknown       
Instrument(I):        diffractometer        I type:        unknown

Comments and Additional Information
Colour:        Gray metallic
Source:        The sample was obtained from Fisher Scientific Company, Fair Lawn, New Jersey, USA.
Preparation:        It was annealed in vacuum at 650 C for 4 hours.
Temperature:        Pattern at 25 C.
Pattern:        To replace 00-001-1237 and 00-020-0180.
General:        There are also beta, gamma and delta-Mn, the most probable transition temperatures being alpha=beta at 700 C; beta=gamma at 1079 C; alpha=delta at 1143 C (Sully, 1955).

Literature References
General:         Natl. Bur. Stand. (U.S.) Monogr. 25   17    50 (1980)
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2楼2013-12-04 12:22:23
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w2056275: 金币+10, ★★★很有帮助, 非常感谢 2013-12-05 15:41:40
Card Information
Names:        Manganese
        gamma-Mn
Formula:        Mn
PDF Number:        17-910
Quality:        indexed
Subfiles:        inorganic alloy CP

Cell and Symmetry Information
System:        tetragonal        Space Group:        I4/mmm   (no. 139)
a:        2.672        c:        3.550
Density (Dx):        7.197        Z:        2

Instrument Information
Radiation:        CuKa1        Wavelength:        1.5405           Filter:        Ni
Instrument(d):        Guinier       
Instrument(I):        diffractometer        I type:        unknown

Comments and Additional Information
General:        Cell constants and reflections from observed line positions.

Literature References
General:        de Wolff, Technisch Physische Dienst, Delft,Netherlands. ICDD Grant-in-Aid            (1965)
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3楼2013-12-04 12:23:07
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