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Rao, Rekha ; Sakuntala, T. ; Deb, S. K. ; Roy, A. P. ; Vijaykumar, V. ; Godwal, B. K. ; Sikka, S. K. (2000) High pressure Raman scattering studies on adamantane Journal of Chemical Physics, 112 (15). pp. 6739-6744. ISSN 0021-9606

Rao, Rekha ; Sakuntala, T. ; Deb, S. K. ; Roy, A. P. ; Vijayakumar, V. ; Godwal, B. K. ; Sikka, S. K. (1999) High-pressure raman scattering studies on hexamethylenetetramine Chemical Physics Letters, 313 (5-6). pp. 749-754. ISSN 0009-2614

Bansal, M. L. ; Roy, A. P. (1999) Universal scaling law for first order phase transformation: LiKSO₄ Pramana - Journal of Physics, 32 (1). pp. 57-61. ISSN 0304-4289

Deb, S. K. ; Mathur, Neelu ; Roy, A. P. ; Banerjee, S. ; Sardesai, A. (1997) Raman scattering study of microstructure of n-type porous silicon Solid State Communications, 101 (4). pp. 283-287. ISSN 0038-1098

Rao, Rekha ; Roy, A. P. ; Dasannacharya, B. A. ; Balakumar, S. ; Ilangovan, R. ; Ramasamy, P. (1996) Raman study of phase transition in ferroelectric Ba_0.95Ca_0.05TiO₃ Pramana - Journal of Physics, 47 (2). pp. 145-150. ISSN 0304-4289

Deb, S. K. ; Mathur, Neelu ; Roy, A. P. ; Banerjee, S. ; Sardesai, A. (1994) Raman scattering and photoluminescence study of porous silicon formed on n-type silicon Bulletin of Materials Science, 17 (5). pp. 505-511. ISSN 0250-4707

Deb, S. K. ; Roy, A. P. (1994) Excitonic resonance raman scattering from optic polar phonons in AgGaS₂ Solid State Communications, 90 (1). pp. 7-11. ISSN 0038-1098

Deb, S. K. ; Rekha, M. A. ; Roy, A. P. ; Vijayakumar, V. ; Meenakshi, S. ; Godwal, B. K. (1993) Raman-scattering study of high-pressure phase transition and amorphization of resorcinol Physical Review B, 47 (17). pp. 11491-11494. ISSN 0163-1829

Bansal, M. L. ; Ingale, Alka ; Roy, A. P. (1991) Anomalous mode in the Raman and ir spectra of mercury telluride Physical Review B: Condensed Matter and Materials Physics, 43 (9). pp. 7020-7026. ISSN 1098-0121

Bansal, M. L. ; Roy, A. P. ; Ingale, Alka (1990) Raman scattering from coupled plasmon-phonon modes in HgTe Physical Review B: Condensed Matter and Materials Physics, 42 (2). pp. 1234-1239. ISSN 1098-0121

Ingale, Alka ; Bansal, M. L. ; Roy, A. P. (1989) Resonance Raman scattering in HgTe: TO-phonon and forbidden-LO-phonon cross section near the E₁ gap Physical Review B: Condensed Matter and Materials Physics, 40 (18). pp. 12353-12358. ISSN 1098-0121

Deb, S. K. ; Bansal, M. L. ; Roy, A. P. (1986) Raman scattering investigation of the orientational dynamics of methyl iodide Chemical Physics, 110 (2-3). pp. 391-401. ISSN 0301-0104

Bansal, M. L. ; Roy, A. P. (1986) Raman study of phonons and intraband electronic excitations in antimony Physical Review B: Condensed Matter and Materials Physics, 33 (2). pp. 1526-1528. ISSN 1098-0121

Chaplot, S. L. ; Rao, K. R. ; Roy, A. P. (1984) Phonon dispersion relation in LiKSO₄ Physical Review B: Condensed Matter and Materials Physics, 29 (8). pp. 4747-4756. ISSN 1098-0121

Bansal, M. L. ; Roy, A. P. (1984) Orientational phase transition in LiKSO₄ Physical Review B: Condensed Matter and Materials Physics, 30 (12). pp. 7307-7309. ISSN 1098-0121

Bansal, M. L. ; Deb, S. K. ; Roy, A. P. ; Sahni, V. C. (1983) Raman scattering study of LiKSO₄-phases II and III Pramana - Journal of Physics, 20 (3). pp. 183-192. ISSN 0304-4289

Bansal, M. L. ; Deb, S. K. ; Roy, A. P. (1981) Rotational correlation function in methyl iodide Chemical Physics Letters, 83 (1). pp. 83-86. ISSN 0009-2614

Bansal, M. L. ; Deb, S. K. ; Roy, A. P. ; Sahni, V. C. (1980) New phase transition in LiKSO₄ Solid State Communications, 36 (12). pp. 1047-1050. ISSN 0038-1098

Bansal, M. L. ; Sahni, V. C. ; Roy, A. P. (1979) Raman study of (NH₄)₂CuCl₄·2H₂O-I: dynamics and structure in low temperature phase Journal of Physics and Chemistry of Solids, 40 (2). pp. 109-120. ISSN 0022-3697

Roy, A. P. ; Sahni, V. C. ; Bansal, M. L. (1979) Raman study of (NH₄)₂CuCl₄·2H₂O-II: Order-disorder transition Journal of Physics and Chemistry of Solids, 40 (4). pp. 289-292. ISSN 0022-3697

Bansala, M. L. ; Roy, A. P. (1979) A study of the rotational correlation function for cyclohexane by Raman scattering Molecular Physics, 38 (5). pp. 1419-1426. ISSN 0026-8976

Rao, T. R. ; Bansal, M. L. ; Sahni, V. C. ; Roy, A. P. (1976) Study of internal modes of SO₄²⁻ in LiKSO₄ Physica Status Solidi B, 75 (1). K31-K34. ISSN 0370-1972

Dasannacharya, B. A. ; Iyengar, P. K. ; Nandedkar, R. V. ; Rao, K. R. ; Roy, A. P. ; Thaper, C. L. (1974) Lattice dynamics of beryllium Pramana - Journal of Physics, 2 (4). pp. 179-188. ISSN 0304-4289

Roy, A. P. ; Dasannacharya, B. A. ; Thaper, C. L. ; Iyengar, P. K. (1973) Experimental evidence of breakdown of simple pseudopotential theory for lattice dynamics of beryllium Physical Review Letters, 30 (19). 906–909. ISSN 0031-9007

Roy, A. P. (1971) Temperature variation of the frequency of longitudinal inter-planar oscillations in pyrolitic graphite Canadian Journal of Physics, 49 . pp. 277-279. ISSN 0008-4204

Roy, A. P. ; Venkataraman, G. (1967) Lattice dynamics of magnesium using a pseudopotential approach Physical Review Letters, 156 (3). pp. 769-776. ISSN 0031-9007

Sahni, V. C. ; Venkataraman, G. ; Roy, A. P. (1966) Phonon dispersion relations in beryllium using the pseudo potential approach Physics Letters, 23 (11). pp. 633-634. ISSN 0031-9163

Venkataraman, G. ; Usha Deniz, K. ; Iyengar, P. K. ; Roy, A. P. ; Vijayaraghavan, P. R. (1966) Study of the rotational behaviour of the ammonium ion in several salts by neutron spectrometry Journal of Physics and Chemistry of Solids, 27 (6-7). pp. 1103-1123. ISSN 0022-3697

Venkataraman, G. ; Usha Deniz, K. ; Iyengar, P. K. ; Vijayaraghavan, P. R. ; Roy, A. P. (1964) Anharmonicity of the torsional oscillations of the ammonium ion in NH₄Cl Solid State Communications, 2 (1). pp. 17-19. ISSN 0038-1098

Iyengar, P. K. ; Dasannacharya, B. A. ; Vijayaraghavan, P. R. ; Roy, A. P. (1962) Neutron diffraction study of antiferromagnetism in FeSn₂ Journal of the Physical Society of Japan, 17 . pp. 247-248. ISSN 0031-9015