"narrow specialisation" is correct and usable in written English.
You can use it when you are talking about a particular area of expertise that has been focused on very highly or studied intensely. For example: "This course will examine the debates surrounding narrow specialisation in the field of artificial intelligence."
The extraordinarily narrow specialisation [in education] that is forced on to kids at 16.
A great committee man, and an enemy of narrow specialisation, he said that he leapt over the frontiers of academic disciplines with as much joy as he crossed national borders.
Envisaging a broad, liberal education, which teaches students "to think and to reason and to compare and to discriminate and to analyse", Newman held that narrow minds were born of narrow specialisation and stipulated that students should be given a solid grounding in all areas of study.
Ideally it would lead to collaborative design of curriculum and pedagogy and avoid overly narrow specialisation.
As few sci-tech translators can afford the luxury of narrow specialisation, scientists considering translation as a career should also be prepared to extend their subject knowledge to include other fields.
Whilst many Ph.D.s leave students with a limited range of skills and a narrow specialisation, those in an interdisciplinary field such as astrobiology offer "lots of skills to market yourself with" when approaching the sticky task of post-Ph.D. job searching.
Michael McGhee: Imposing targets on higher education risks distracting lecturers from instilling in students the practice of thinking Sophia Deboick: He rightly insists in his classic work on the subject that narrow specialisations produce narrow minds.
On the other hand, the mixed curriculum of "hard" and "soft" sciences in forestry, from meteorology to philosophy, has convinced me of the importance of breaking disciplinary boundaries and avoiding narrow specialisation--something that would become a recurrent theme in my journey.
The spectrum of job profiles is broad, from surface scientists, through metallurgists and material scientists working on material and process development, to narrow specialisations like nutrition scientists, who study the influence of steel cans on the food they contain.
In a similar manner to changes in the organisation of social care two decades before, 22 the continuous care of a single individual has been replaced by a system of narrower specialisation and oversight, with the GP or district nurse taking the role of a 'case manager'.
Even narrower specialisations emerge around more personal topics that benefit from public advice.
