Abstract
Brief summary of our former work on high hydrogen pressure syntheses of novel hydrides and studies of their properties is supplemented with new results. Syntheses and properties of a number of hydrides (unstable, metastable or stable in ambient conditions) derived under high hydrogen pressure from intermetallic compounds, like MeT 2 , MeNi 5 , Me 7 T 3 , Y 6 Mn 23 and YMn 12 (where Me = zirconium, yttrium or rare earth; T = transition metal) are presented. Stabilization of ZrFe 2 H 4 due to surface phenomena was revealed. Unusual role of manganese in hydride forming processes is pointed out. Hydrogen induced phase transitions, suppression of magnetism, antiferromagnetic-ferromagnetic and metal-insulator or semimetal-metal transitions are described. Equations of state (EOS) of hydrides submitted to hydrostatic pressures up to 30 GPa are presented and discussed.
| Original language | English |
|---|---|
| Pages (from-to) | 723-730 |
| Number of pages | 8 |
| Journal | Applied Surface Science |
| Volume | 388 |
| DOIs | |
| State | Published - 1 Dec 2016 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- High pressure
- Hydrides
- Hydrogen storage
- Intermetallic alloys
- Phase transitions
- Surface phenomena
ASJC Scopus subject areas
- General Chemistry
- Condensed Matter Physics
- General Physics and Astronomy
- Surfaces and Interfaces
- Surfaces, Coatings and Films
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