AB2-type rare earth-based compounds with C-15 structure: Looking for reversible hydrogen storage materials

H Shen, J Zhang, V Paul-Boncour, P Li, Z Li, Y Wu… - Journal of Rare …, 2024‏ - Elsevier
Abstract AB 2-type (A= rare earth, B= transition metal) intermetallic compounds with C 15
structure can easily absorb large amount of hydrogen, showing their potential use as …

Binary rare earth Laves phases—an overview

KA Gschneidner Jr, VK Pecharsky - Zeitschrift für Kristallographie …, 2006‏ - degruyter.com
The rare earth metals form the largest subset of the AB 2 Laves phase compounds. The rare
earth element (R) is always the larger A metal, and they form Laves phases with most of the …

Hydrogen storage properties and structure of La1− xMgx (Ni1− yMny) 3 intermetallics and their hydrides

RV Denys, B Riabov, VA Yartys, RG Delaplane… - Journal of Alloys and …, 2007‏ - Elsevier
'Hybrid'RNi3 (R= rare earth metal) crystal structures are built of the slabs of simpler types,
CaCu5 and MgZn2. Different affinities of these slabs to hydrogen result in unusual …

Factors controlling hydrogen-induced amorphization of C15 Laves compounds

K Aoki, XG Li, T Masumoto - Acta metallurgica et materialia, 1992‏ - Elsevier
The radii of tetrahedral holes occupied by hydrogen atoms in the amorphous hydrides a-
RFe 2 H x (R= a rare earth metal) are larger than the empirical minimum hole size, 0.040 …

Structural, magnetic and magnetocaloric properties of HoNi2 and ErNi2 compounds ordered at low temperatures

J Ćwik, Y Koshkid'ko, K Nenkov, EA Tereshina… - Journal of Alloys and …, 2018‏ - Elsevier
In this work we report on the structural, magnetic and magnetocaloric properties of
polycrystalline HoNi 2 and ErNi 2 Laves-phase compounds. Powder X-ray diffraction studies …

Propagation of brittle failure triggered by magma in Iceland

T Tentler - Tectonophysics, 2005‏ - Elsevier
The architectures of normal faults at a divergent plate boundary in Iceland are examined by
combining surface fault observations with cross-sectional studies at different structural levels …

A redetermination of the La-Ni phase diagram from LaNi to LaNi sub 5 (50-83. 3 at.% Ni)

Z Deyuan, T **ke, KA Gschneidner Jr - Journal of the Less-Common …, 1991‏ - osti.gov
The La-Ni phase diagram was re-investigated over the composition range (50-83.3 at.% Ni).
The major changes from the earlier published phase diagrams are:(1) the non-existence of …

Homogeneity range and order–disorder transitions in R1− xNi2 Laves phase compounds

V Paul-Boncour, A Lindbaum, M Latroche, S Heathman - Intermetallics, 2006‏ - Elsevier
The homogeneity range of R1− xNi2 Laves phases (R= Ce, Gd, Tb) has been studied by X-
ray diffraction, microprobe analysis and density measurements. In these compounds, the …

Hydrogen effects on the electronic and microstructural properties of Ce, Ni, and CeNi2 intermetallic compound

A Roustila, C Severac, J Chêne, A Percheron-Guégan - Surface Science, 1994‏ - Elsevier
The electronic properties and the microstructure associated with room temperature (RT)
cathodic charging of Ce, Ni, and CeNi2 massive specimens have been investigated by XPS …

New Metal-Hydride Materials Based on R2–x Mg x Ni4 Alloys for Chemical Current Sources

YV Verbovyts' kyi, ІY Zavalii - Materials science, 2017‏ - Springer
We present a brief survey of works dealing with the structure and hydrogen-sorption
properties of chosen R 2–x Mg x Ni 4-type alloys, where R is a rare-earth metal. The …