Concept

Zintl phase

Related publications (109)

TEM study of interfacial reactions and precipitation mechanisms in Al2O3 short fiber or high volume fraction SiC particle reinforced Al-4Cu-1Mg-0.5Ag squeeze-cast composites

After more than a quarter of a century of active research, metal matrix composites (MMCs), and more particularly aluminum matrix composites (AMCs), are beginning to make a significant contribution to aerospace, automotive, and electronic industrial practic ...

2001

Evaluation of critical current performance of 13 T-46 kA steel jacketed Nb3Al conductor

Pierluigi Bruzzone

A 13 T-46 kA Nb3Al conductor with steel jacket has been developed in the framework of ITER-EDA. The thermal strain will appear on the Nb3Al strands after heat treatment, when the steel jacket is used because of difference in their thermal expansion. The co ...

2001

Electrochemical Promotion and Metal-Support Interactions

Christos Comninellis

Ethylene oxidn. on IrO2, which is a metal-type conducting metal oxide, and on Pt and Rh was used as a model reaction to compare the rate enhancement and kinetic modification induced by (i) electrochem. promotion (non-Faradaic electrochem. modification of c ...

2001

Self-assembled organometallic [12]metallacrown-3 complexes

Kay Severin

The reaction of (arene)RuCl2 (arene = C6H6 cymene, C6H3Et3, or C6Me6) or Cp*RhCl2 with 3-hydroxy-2-pyridone in the presence of Cs2CO3 gives trinuclear metallamacro-cyclic complexes. The self-assembly process was shown to be completely diastereose ...

2001

Structural Phase Transition in Al-Cu-Mg-Si and Al-Mg-Si Alloys: Ordering Mechanisms and Crystallographic Structures

Philippe Buffat, Cyril Cayron

The precipitation state of the Al-Cu-Mg-Si and Al-Mg-Si alloys was investigated by TEM, EDS and HREM. In the Al-Cu-Mg-Si alloys, it has been shown that a structural phase transition exists between 3 phases: Q-Al5Cu2Mg8Si6, QC and QP. These phases, which ha ...

Trans Tech Publications2000

One-dimensional metal chains on Pt vicinal surfaces

Klaus Kern, Harald Brune, Pietro Gambardella

High-density arrays (5 x 10(6) cm(-1)) of parallel nanowires have been grown using the vicinal Pt(997) surface as a template. Single monatomic rows of Ag and Cu can be deposited with subrow precision. We demonstrate real-time monitoring and characterizatio ...

American Physical Society2000

TEM study of interfacial reactions and precipitation mechanisms in Al2O3 short fibers or SiC particles reinforced Al-4Cu-1Mg-0.5Ag squeeze-cast composites

Cyril Cayron

EPFL2000

Structural phase transition in Al-Cu-Mg-Si alloys by transmission electron microscopy study on an Al-4wt% Cu-1 wt% alloy reinforced by SiC particles

Philippe Buffat, Cyril Cayron

The precipitation state of an Al-4 wt% Cu-1 wt% Mg-Ag alloy reinforced with SiC particles fabricated by squeeze casting is studied by transmission electron microscopy. As a consequence of an interfacial reaction the precipitation of the characteristic phas ...

1999

XAS study of the high pressure behaviour of quartz-like compounds

Philippe Gillet, James Badro

EXAFS spectroscopy experiments have been carried out on quartz-like alpha-GaAsO4 and alpha-AlAsO4 at high pressure and room temperature. It has been shown that these materials exhibit two structural phase transitions; the first transition to a high pressur ...

1997

Cs bonding at the Cs/GaAs(110) interface

Giorgio Margaritondo

Evaporation of a Cs overlayer in the submonolayer and monolayer regime on a cleaved GaAs(110) surface has been studied by core-level photoemission spectroscopy. The experimental results show three different adsorption regimes deduced from the lineshape of ...

1996

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