Anomalous magnetic properties of the nano-size residual amorphous phase in nanocrystals

1999 ◽  
Vol 11 (17) ◽  
pp. L179-L185 ◽  
Author(s):  
D Kaptás ◽  
T Kemény ◽  
J Balogh ◽  
L Bujdosó ◽  
L F Kiss ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Amorphous Phase ◽  
Residual Amorphous Phase ◽  
Nano Size

Creep of FINEMET Alloy at Amorphous to Nanocrystalline Transition

2009 ◽  
Vol 409 ◽  
pp. 373-376
Author(s):  
Kornel Csach ◽  
Jozef Miškuf ◽  
Alena Juríková ◽  
Václav Ocelík
Keyword(s):  
Mechanical Properties ◽  
Magnetic Properties ◽  
Amorphous Phase ◽  
High Temperatures ◽  
Structural Relaxation ◽  
Amorphous Alloys ◽  
Creep Properties ◽  
Residual Amorphous Phase ◽  
Creep Measurements

The application of FINEMET-type materials with specific magnetic properties prepared by the crystallization of amorphous alloys is often limited by their brittleness. The structure of these materials consists of nanosized Fe-based grains surrounded with amorphous phase. Then the final macroscopic mechanical properties are considerably influenced by the properties of this amorphous phase. Direct creep measurements during the crystallization of FINEMET alloys were performed and the creep properties of the residual amorphous phase formed during the nanocrystallization were described. It was shown that due to relatively high temperatures the residual amorphous phase undergoes intensive structural relaxation resulting in the obvious embrittlement of these materials.

Hard Magnetic Properties of Nd-Fe-B Alloys Crystallized from Amorphous Phase

1988 ◽  
Vol 27 (Part 1, No. 4) ◽  
pp. 597-601 ◽  
Author(s):  
Shin-ichiro Hatta ◽  
Tadashi Mizoguchi
Keyword(s):  
Magnetic Properties ◽  
Amorphous Phase ◽  
Hard Magnetic Properties

Magnetic properties of nano-size Ni synthesized by the pulsed wire evaporation (PWE) method

2004 ◽  
Vol 106 (3) ◽  
pp. 224-227 ◽  
Author(s):  
Y.R Uhm ◽  
J.H Park ◽  
W.W Kim ◽  
C.-H Cho ◽  
C.K Rhee
Keyword(s):  
Magnetic Properties ◽  
Nano Size

scholarly journals The study of magnetic properties and microstructures of nano-size FePt islands on amorphous carbon film

2012 ◽  
Vol 258 (6) ◽  
pp. 2124-2128 ◽  
Author(s):  
C.L. Shen ◽  
P.C. Kuo ◽  
G.P. Lin ◽  
K.T. Huang ◽  
S.C. Chen
Keyword(s):  
Magnetic Properties ◽  
Amorphous Carbon ◽  
Carbon Film ◽  
Amorphous Carbon Film ◽  
Nano Size

The Effect of Pt Addition on the Structure and Magnetic Properties of Melt-Spun Fe80–xPtxB20 Alloys

2013 ◽  
Vol 750 ◽  
pp. 311-315
Author(s):  
C.L. Yin ◽  
Yan Hui Li ◽  
X.J. Jia ◽  
Wei Zhang
Keyword(s):  
Magnetic Properties ◽  
Amorphous Phase ◽  
Mixed Structure ◽  
Magnetic Characterization ◽  
Melt Spun

The structure and magnetic properties of the melt-spun Fe80–xPtxB20 (x = 0 – 20) alloys have been investigated. The amorphous phase was obtained for the alloys with x = 0 and 5, while the mixed structure consisting of amorphous and fcc-FePt phases was formed for the alloys with x = 10, 15 and 20. The annealed alloys consist of α-Fe + Fe3B phases for x = 0 and 5, Fe3B + Fe2B + fcc-FePt phases for x=10, and Fe2B + fcc-FePt + L10-FePt phases for x = 15 and 20, respectively. The alloys with x = 15 and 20 exhibited hard magnetic characterization after annealing. The coercivity increased with increasing Pt content.

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