The phrase "a tiny layer" is correct and usable in written English.
It can be used to describe a very thin or small layer of a substance or material in various contexts, such as cooking, science, or art.
Example: "To create the perfect cake, spread a tiny layer of frosting between the cake layers for added flavor."
Alternatives: "a thin layer" or "a small coating".
The chemical process, developed by a cement scientist at the Massachusetts Institute of Technology, forms a tiny layer of glass up to 500 times thinner than a human hair.
One that has received much attention stores "qubits" in atoms of another element, like phosphorous, embedded in a tiny layer of ultra-pure silicon-28.
We started writing, (but) there's still a tiny layer of hypocrisy, hiding.
In the literature published so far, none of the reported measurements were performed on CT scans with such a tiny layer thickness.
On the surface, it appeared to be a classic example of capitalist greed trampling culture and history: a super-swank, high-end hotel/auction-house complex with a parking garage, servicing a vulgar, tiny layer of Russia's super-rich, threatening the very symbol of Russia, just a few hundred metres away.
"While the economy or information may have been globalised, it has not led to a corresponding generalisation of a cosmopolitan morality, if we disregard the tiny layer of an educated and mobile elite.
A PDMS layer was located on the top of a piezoelectric substrate, and a tiny fluid layer was sealed between them.
"We can't spread existing funding across Australia like a tiny little layer of jam," he said.
Herring in a Fur Coat looks, in the dark, like a tiny pink layer cake, making its mushy riot of ingredients (salmon roe, shredded beets, rémoulade) all the more jarring.
It has been reported that a tiny water layer around the enzyme particle is necessary to maintain its structure and activity.
In surface modification, a tiny steric layer could be formed on surface of core particle which prevents the tendency of agglomeration due to electrostatic repulsion even at neutral zeta potential region.
