Study of Precipitate Particles in CuCo Employing Ferromagnetic Resonance

Rodbell D. S.

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Study of Precipitate Particles in CuCo Employing Ferromagnetic Resonance

机译：铁磁共振作用下CuCo中沉淀颗粒的研究

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The dependence of the ferromagnetic resonance upon specimen anisotropies (shape and magnetocrystalline) is well known. Observations of the ferromagnetic resonance absorption of submicroscopic particles may be interpreted to yield useful information about these anisotropies. The alloy 2% CoCu heat treated to precipitate cobalt containing about ten percent copper from the nonmagnetic solid solution has been studied using ferromagnetic resonance techniques. In the early stages of growth the precipitate particles are shown to be essentially spherical in shape. Further growth of the precipitate particles (by subsequent heat treatment) is accompanied by aspherical shape changes which modify the resonance spectra. The magnetocrystalline anisotropy of the cobalt precipitate in single crystals of this alloy has been determined. This anisotropy is cubic with K1/Ms=-665 oe at room temperature. The cobalt‐rich precipitate retains its cubic crystal structure to at least 4.2°K, apparently stabilized by the copper matrix.

机译：铁磁共振对标本各向异性（形状和磁晶）的依赖性是众所周知的。可以解释对亚显微颗粒的铁磁共振吸收的观察，以得到有关这些各向异性的有用信息。已经研究了使用铁磁共振技术对2％CoCu合金进行热处理以从非磁性固溶体中沉淀出约含10％铜的钴的方法。在生长的早期，沉淀颗粒显示为基本球形。沉淀物颗粒的进一步生长（通过随后的热处理）伴随着非球面形状的变化，从而改变了共振光谱。已经确定了该合金单晶中钴沉淀物的磁晶各向异性。在室温下，该各向异性是立方的，K1 / Ms = -665 oe。富含钴的沉淀物将其立方晶体结构至少保持在4.2°K，并由铜基体稳定。

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《Journal of Applied Physics》 |1958年第3期|共2页
作者
Rodbell D. S.;
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General Electric Research Laboratory, Schenectady, New York;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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Study of Precipitate Particles in CuCo Employing Ferromagnetic Resonance

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