Neodymium nitride or neodymium(III) nitride is a

chemical compound A chemical compound is a chemical substance composed of many identical molecules (or molecular entities) containing atoms from more than one chemical element held together by chemical bonds. A molecule consisting of atoms of only one element ...

neodymium Neodymium is a chemical element with the symbol Nd and atomic number 60. It is the fourth member of the lanthanide series and is considered to be one of the rare-earth metals. It is a hard, slightly malleable, silvery metal that quickly tarnishes i ...

and

nitrogen Nitrogen is the chemical element with the symbol N and atomic number 7. Nitrogen is a nonmetal and the lightest member of group 15 of the periodic table, often called the pnictogens. It is a common element in the universe, estimated at se ...

with the formula NdN in which neodymium exhibits the +3 oxidation state and nitrogen exhibits the -3 oxidation state. It is ferromagnetic, like gadolinium(III) nitride, terbium(III) nitride and dysprosium(III) nitride. Neodymium nitride is not usually

stoichiometric Stoichiometry refers to the relationship between the quantities of reactants and products before, during, and following chemical reactions. Stoichiometry is founded on the law of conservation of mass where the total mass of the reactants equal ...

, and it is very hard to create pure stoichiometric neodymium nitride.Nasirpouri, Farzad and Nogaret, Alain (eds.) (2011) ''Nanomagnetism and Spintronics: Fabrication, Materials, Characterization and Applications''. World Scientific.

Preparation

Neodymium nitride can be prepared via an exothermic metathesis reaction between

lithium nitride Lithium nitride is a compound with the formula Li3N. It is the only stable alkali metal nitride. The solid has a reddish-pink color and high melting point. Preparation and handling Lithium nitride is prepared by direct combination of elemental li ...

and anhydrous neodymium(III) chloride.

Lithium chloride Lithium chloride is a chemical compound with the formula Li Cl. The salt is a typical ionic compound (with certain covalent characteristics), although the small size of the Li+ ion gives rise to properties not seen for other alkali metal chlor ...

formed in the reaction can be removed by

THF Tetrahydrofuran (THF), or oxolane, is an organic compound with the formula (CH2)4O. The compound is classified as heterocyclic compound, specifically a cyclic ether. It is a colorless, water- miscible organic liquid with low viscosity. It is ...

, a chemical in which lithium chloride dissolves in. : NdCl₃ + Li₃N → NdN + 3 LiCl It can also be prepared directly when neodymium reacts directly with nitrogen: : 2 Nd + N₂ → 2 NdN It can be prepared when

decomposing Decomposition or rot is the process by which dead organic substances are broken down into simpler organic or inorganic matter such as carbon dioxide, water, simple sugars and mineral salts. The process is a part of the nutrient cycle and is e ...

neodymium amide: : Nd(NH₂)₃ → NdN + N₂ + 3H₂ It can also be produced when neodymium is ignited in

air The atmosphere of Earth is the layer of gases, known collectively as air, retained by Earth's gravity that surrounds the planet and forms its planetary atmosphere. The atmosphere of Earth protects life on Earth by creating pressure allowing f ...

(which contains nitrogen), but this also produces other compounds, such as neodymium oxide.

References

{{DEFAULTSORT:Neodymium(Iii) Nitride Nitrides Neodymium compounds

Preparation

See also

References