Non-haloaluminate ionic liquids for low-temperature electrodeposition of rare-earth metals—A review

2015 ◽  
Vol 33 (10) ◽  
pp. 1017-1025 ◽  
Author(s):  
Qibo ZHANG ◽  
Yixin HUA ◽  
Cunying XU ◽  
Yan LI ◽  
Jian LI ◽  
...  
Keyword(s):  
Ionic Liquids ◽  
Rare Earth ◽  
Low Temperature ◽  
Rare Earth Metals

Low‐Temperature Thermoelectric Power of the Rare‐Earth Metals

1961 ◽  
Vol 32 (12) ◽  
pp. 2543-2549 ◽  
Author(s):  
H. J. Born ◽  
Sam Legvold ◽  
F. H. Spedding
Keyword(s):  
Rare Earth ◽  
Low Temperature ◽  
Thermoelectric Power ◽  
Rare Earth Metals ◽  
The Rare Earth

Comparison of the Three Classes (Rare Earth, Refractory and Near-Noble) of Silicide Contacts

1981 ◽  
Vol 10 ◽  
Author(s):  
R. D. Thompson ◽  
K. N. Tu
Keyword(s):  
Rare Earth ◽  
Low Temperature ◽  
Tensile Stress ◽  
Noble Metals ◽  
Schottky Barrier Height ◽  
Rare Earth Metals ◽  
The Other ◽  
Severe Problem ◽  
New Class ◽  
Motion Study

It is well established that near-noble metals and refractory metals form two distinct classes of silicide contacts with silicon. Rare earth metals have been studied in the same manner and found to form a new class that is very distinct from the other two in terms of properties and characteristics. Some of these characteristics are the formation of a disilicide phase, as an apparently first and last phase, at a surprisingly low temperature (250–400°C). Marker motion study using implanted krypton and argon showed silicon to be the dominant diffusing species for ErSi2. The Schottky barrier height to n-Si is 0.40 ± 0.04 eV and to p-Si is 0.70 ± 0.04 eV for all six of the metals studied. The surface morphology after reaction indicates the formation of a tensile stress by the silicide reaction. Oxidation of the rare earth metals is a severe problem although a variety of passivation schemes have been shown to work.

scholarly journals Recent Advances in Extraction and Separation of Rare-Earth Metals Using Ionic Liquids

2011 ◽  
Vol 44 (10) ◽  
pp. 679-685 ◽  
Author(s):  
Yuzo Baba ◽  
Fukiko Kubota ◽  
Noriho Kamiya ◽  
Masahiro Goto
Keyword(s):  
Ionic Liquids ◽  
Rare Earth ◽  
Rare Earth Metals ◽  
Extraction And Separation ◽  
Recent Advances

The 1-N amides 1∞[Eu2(Pyr)4(PyrH)2(NH3)] · PyrH and [Yb2(Cbz)4(NH2)2(NH3)4] · 3CbzH: Distinctions in the crystal structures, thermal properties and ammonolysis tendency

2005 ◽  
Vol 220 (2/3) ◽  
Author(s):  
Klaus Müller-Buschbaum ◽  
Caterina C. Quitmann
Keyword(s):  
Thermal Properties ◽  
Rare Earth ◽  
Low Temperature ◽  
Crystal Structures ◽  
Liquid Ammonia ◽  
Rare Earth Metals ◽  
Low Temperature Oxidation ◽  
Temperature Oxidation ◽  
The Rare Earth

AbstractThe low-temperature oxidation of the rare earth metals europium and ytterbium with the 1-N amines pyrrole and carbazole in liquid ammonia gave the pyrrolate

scholarly journals Ionic Liquids Based on the Concept of Melting Point Lowering Due to Ethoxylation

Molecules ◽  
2021 ◽  
Vol 26 (13) ◽  
pp. 4034
Author(s):  
Manuel Rothe ◽  
Eva Müller ◽  
Patrick Denk ◽  
Werner Kunz
Keyword(s):  
Ionic Liquids ◽  
Rare Earth ◽  
Melting Point ◽  
Metal Ion ◽  
Rare Earth Metals ◽  
Metal Catalysis ◽  
Alkyl Chains ◽  
Metal Organic ◽  
Surface Active ◽  
The Common

Most of the commonly used Ionic Liquids (ILs) contain bulky organic cations with suitable anions. With our COMPLET (Concept of Melting Point Lowering due to Ethoxylation), we follow a different approach. We use simple, low-toxic, cheap, and commercially available anions of the type Cx(EO)yCH2COO– to liquefy presumably any simple metal ion, independently of its charge. In the simplest case, the cation can be sodium or lithium, but synthesis of Ionic Liquids is also possible with cations of higher valences such as transition or rare earth metals. Anions with longer alkyl chains are surface active and form surface active ionic liquids (SAILs), which combine properties of ionic and nonionic surfactants at room temperature. They show significant structuring even in their pure state, i.e., in the absence of water or any other added solvent. This approach offers new application domains that go far beyond the common real or hypothetical use of classical Ionic Liquids. Possible applications include the separation of rare earth metals, the use as interesting media for metal catalysis, or the synthesis of completely new materials (for example, in analogy to metal organic frameworks).

scholarly journals Ionic Liquids [M3+][A–]3 with Three‐Valent Cations and Their Possible Use to Easily Separate Rare Earth Metals

2021 ◽  
Author(s):  
Manuel Rothe ◽  
Martin Tress ◽  
Carina Allacher ◽  
Patrick Nuernberger ◽  
Werner Kunz
Keyword(s):  
Ionic Liquids ◽  
Rare Earth ◽  
Rare Earth Metals
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