Dear Chandra Bhal Singh,

1. Lattice - Regular structural array (ordered structure) of atoms in a crystalline solid.

2. Sublattice - Refers to the lattice/array of atoms of a particular element in a compound or alloy. For example : The U or O sublattices in UO2. Ostensibly, it could refer to secondary phases (e.g. intermetallic compounds) in a primary phase (crystal structure).

I hope I have answered your question.

With Best Wishes,

Samir G. Pandya

A lattice is an abstract structure studied in the mathematical subdisciplines of order theory and abstract algebra. It consists of a partially ordered set in which every two elements have a unique supremum (also called a least upper bound or join)

Dear Chandra Bhal Singh,

1. Lattice - Regular structural array (ordered structure) of atoms in a crystalline solid.

2. Sublattice - Refers to the lattice/array of atoms of a particular element in a compound or alloy. For example : The U or O sublattices in UO2. Ostensibly, it could refer to secondary phases (e.g. intermetallic compounds) in a primary phase (crystal structure).

I hope I have answered your question.

With Best Wishes,

Samir G. Pandya

Thanks you very much Dr. Al-Taey and Dr. Pandya for giving your valuable time. My question is about the understanding of the difference between lattice and sub-lattice using example. I know the basic definitions and read the some literature available online. If you can provide some light by giving example it will be more helpful , for example in ZnO or any other oxide. Thanks in advance.

Dear Chandra,

there are some answers given on this subject some years ago here on RG:

https://www.researchgate.net/post/What_is_a_sublattice

Please have a look.

Good luck