[2][3] He is known for his original works on various aspects of the social and political history of Persia, most of them dealing with the ideological foundations of the Iranian Constitutional Revolution.

Believing firmly in history's "Rational Movement" (Persian: حرکت عقلی, harekat-e ʿaqlī), Adamiyat saw no conflict between normative judgement and claims to objectivity.

His most famous book was Amir Kabir and Iran (Persian: Amīr Kabīr va Īrān) (one of several re-publications: Tehran: Kharazmi Publishing, 1975/1354).

Abbas Amanat noted that he 'is not free from some of the biases and misinterpretations of which he accuses others' and that his dichotomous portrayal of protagonists and antagonists 'give[s] his work a Manichean flavour appealing to readers in search of easy answers to complex historical problems'.

[7] Chehabi has demonstrated several cases in which Adamiyat intentionally misquoted and misrepresented his primary sources in order 'to fit his own conspiracy belief'.