The phrase "a narrow layer of" is correct and usable in written English.
It can be used to describe a thin or limited thickness of a material or substance in various contexts, such as science, cooking, or construction.
Example: "The geologist discovered a narrow layer of sediment that indicated a significant change in the environment."
Alternatives: "a thin layer of" or "a slim layer of".
The result was a "capitalist politburo" supporting "a narrow layer of the super-rich," while destitute people in the hinterlands, robbed of the value of their life savings by the reformers' price liberalization, froze to death in snowbanks.
It is possible, though, to create a narrow layer of electrons near the surface of the silicon crystal used to form what is known as a "metal-oxide-semiconductor field effect transistor" (MOSFET).
The rich, dense, finely diced lamb, in a gravy of root vegetables, is capped with a narrow layer of browned mashed potatoes and the wurst, perched on roasted apple-laced cabbage, benefits from its plate mates of tiny caramelized onions and boiled potatoes.
A narrow layer of As donors was implanted near the Si-SO2 interface of n-channel Si MOSFETs.
The human being lives in a narrow layer of reality, and, says Pavel Petrovich, the artist attempts to go from the earthly to the divine layer.
In a first step, the energy is absorbed in a narrow layer of individual powder grains determined by the bulk properties of the material.
The immobilization of biomacromolecules on the 50-nm-thick gold sensor surface and interactions of the immobilized components with their molecule partners change the refractive index of a narrow layer (~200 nm) of media adjacent to the sensor surface.
The large, spherical cell bodies of Purkinje cells are packed into a narrow layer (one cell thick) of the cerebellar cortex, called the Purkinje layer.
In addition, the absence of austenite reversion, consistent with the low nickel content of this steel, was found with the exception of a few very small pools of austenite found in a narrow layer in the heat-affected zone of samples corresponding to one of the studied heat treatment conditions of steel.
In V1 (Fig. 3 E ), PNMA5 mRNA expression was restricted mainly to a narrow layer at the top of layer II as described earlier.
The phantom echoes begin, the researchers say, when extremely energetic ultraviolet (UV) radiation from the sun strikes gas molecules in a relatively narrow layer of the upper atmosphere.
