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Magnetic ordering in DyNi2Si2 andDyNi2Ge2 intermetallics studied by161Dy Mössbauer spectroscopy (1993)

Murata, Akifumi ; Onodera, Hideya ; Ohashi, Masayoshi ; [et al.]

Springer

Hyperfine interactions 78 (1993), S. 457-461

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ISSN: 1572-9540

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract The161Dy Mössbauer spectra of DyNi2Si2 andDyNi2Ge2 have been measured at temperatures between 4.2 and22 K. Temperature dependences of spectrum andγ-ray transmission rate at zero velocity as well as magnetic susceptibility measurements indicate clearly that anti-ferromagnetic orderings occur atT N=7 K in DyNi2Si2 and9 K in DyNi2Ge2. Though the spectrum of DyNi2Si2 is interpreted approximately by a single set of hyperfine parameters, that of DyNi2Ge2 exhibits broadening of absorption lines which originates from distributed hyperfine parameters. The small values of hyperfine field, 707 MHz at 2.9 K in DyNi2Si2 and 765 MHz at 3.0 K in DyNi2Ge2 are attributable to the crystalline electric field interaction.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00568174

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