scholarly journals Role of critical spin fluctuations in ultrafast demagnetization of transition-metal rare-earth alloys

2013 ◽  
Vol 87 (21) ◽  
Author(s):  
V. López-Flores ◽  
N. Bergeard ◽  
V. Halté ◽  
C. Stamm ◽  
N. Pontius ◽  
...  
Keyword(s):  
Rare Earth ◽  
Transition Metal ◽  
Spin Fluctuations ◽  
Rare Earth Alloys ◽  
Ultrafast Demagnetization

On the Kondo effect in rare-earth alloys: Role of the crystal field

1973 ◽  
Vol 43 (3) ◽  
pp. 234-236 ◽  
Author(s):  
E. Borchi ◽  
S. De Gennaro
Keyword(s):  
Rare Earth ◽  
Crystal Field ◽  
Kondo Effect ◽  
Rare Earth Alloys

scholarly journals Comments on intermetallic thermochemistry

2002 ◽  
Vol 38 (3-4) ◽  
pp. 249-272 ◽  
Author(s):  
G. Borzone ◽  
R. Raggio ◽  
R. Ferro
Keyword(s):  
Rare Earth ◽  
Enthalpy Of Formation ◽  
Rare Earth Alloys ◽  
Alloy Thermodynamics ◽  
The Enthalpy Of Formation ◽  
The Eu

The need of a concerted multi-disciplinary approach in the investigation of intermetallic systems and the role of thermochemistry are underlined. The activity carried out in the Author?s laboratory in the alloy thermodynamics is summarized. The different instruments (calorimeters) built in laboratory are briefly presented and their performance discussed. The results obtained in the measurement of the enthalpy of formation mainly of several rare earth alloys are described. The characteristics of the Eu and Yb thermochemistry and crystallochemistry are finally underlined.

Role of Solute in the Texture Modification During Hot Deformation of Mg-Rare Earth Alloys

2011 ◽  
Vol 43 (4) ◽  
pp. 1347-1362 ◽  
Author(s):  
Jason P. Hadorn ◽  
Kerstin Hantzsche ◽  
Sangbong Yi ◽  
Jan Bohlen ◽  
Dietmar Letzig ◽  
...  
Keyword(s):  
Rare Earth ◽  
Hot Deformation ◽  
Rare Earth Alloys ◽  
Texture Modification

Amorphisation and Devitrification of Al-Transition Metal- Rare Earth Alloys

2003 ◽  
Vol 806 ◽  
Author(s):  
Livio Battezzati ◽  
Marcello Baricco ◽  
Martin Kusy' ◽  
Mauro Palumbo ◽  
Paola Rizzi ◽  
...  
Keyword(s):  
Rare Earth ◽  
Transition Metal ◽  
Metastable Phase ◽  
Ternary Alloys ◽  
Rare Earth Alloys ◽  
Sequence Composition ◽  
Nucleation Mechanisms ◽  
Composition Profiles ◽  
Composition Gradients ◽  
Re Elements

ABSTRACTAmorphisation studies by rapid solidification of Al-based alloys containing a transition metal (TM) and a rare earth element (RE) are reported. Results on primary formation of Al nanocrystals are given and discussed in relation to possible nucleation mechanisms considering the effect of various RE elements (RE = La, Ce, Nd and Sm) in Al87Ni7RE6 alloys. Ti or Zr, immiscible with RE's, are added to the ternary alloys with the aim of revealing possible phase separation in the melt. Calculations of ternary Al-Ni-Ce metastable phase equilibria are helpful in understanding the transformation sequence. Composition profiles ahead of nanocrystals are computed using the DICTRA software which correctly predicts the occurrence of composition gradients.The surface fracture of mechanically tested samples are observed in TEM to check whether crystallisation is induced by deformation.

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