1. Effects of temperature gradients on the first-order Raman spectrum of Si. J. .Raptis, E. Liarokapis, and E. Anastassakis - Appl. Phys. Lett.  44, 125-127 (1984).

2. Angular dispersion of "backward" Raman scattering: Weakly absorbing cubic materials (Si). E.Anastassakis and Y.S.Raptis-J.Appl.Phys. 57, 920-928 (1985)

3. Temperature rise induced by a cw laser beam revisited. E.Liarokapis and Y.S.Raptis - J. Appl. Phys. 57, 5123-5126 (1985).

4. Raman and Infrared Spectra of Tellurium Sub-Bromide (Te2Br). E. Anastassakis, J. S. Raptis, and W. Richter - phys. stat. sol.(b) 130, 161-168 (1985).

5. Angular dispersion of "backward" Raman scattering: Absorbing cubic materials (Ge).  A. Anastassiadou, Y .S. Raptis, and E. Anastassakis - J. Appl. Phys.59, 627-631 (1986).

6. Angular dispersion of "backward" Raman scattering: Absorbing III-V semiconductors (GaAs). A.Anastassiadou,Y.S.Raptis,and E.Anastassakis - J. Appl. Phys. 60, 2924-2931 (1986).

7. Raman study of SrF2 under uniaxial Stress. A. D. Papadopoulos, Y. S. Raptis and E. Anastassakis - Solid State Communications, 58, 645-648 (1986).

8. Anharmonic effects in Mg2X (X=Si,Ge,Sn) compounds studied by Raman spectroscopny. Y S. Raptis, G. A. Kourouklis, E. Anastassakis, E. Haro-Poniatowski and M.Balkanski, - J. Physique, 48, 239-245 (1987).

9. Raman and infrared phonon piezospectroscopy in InP. E. Anastassakis and Y.S. Raptis, M. Hunermann and W. Richter, and M. Cardona - Phys. Rev. B38, 7702-7709 (1988).

10. Tempereture dependence of long-wavelength optical phonons in AlSb. Y.S. Raptis and E. Anastassakis - Solid State Commun. 76, 335-338(1990).

11. Raman spectroscopic study of PrS. E. Anastassakis and Y.S Raptis - Festchrift in Honor of R.C. Leite, Eds. M. Balkanski, C.E.T.G. da Silva, M. Worlock, World Scientific, Singapore 1991, pp. 77-82.

12. Short-range order and microstructure in hydrogenated amorphous silicon. P. Danesh, B. Pantchev, I. Savatinova, E. Liarokapis and Y.S. Raptis - J. Appl. Phys. 69, 7656-7659 (1991).

13. Vibrational modes, optical excitations, and phase transition of solid C60 at high pressures. D.W. Snoke, Y.S. Raptis, and K. Syassen - Phys. Rev. B45, 14419-14422 (1992).

14. Arsenic passivation of MBE grown GaAs(100):structural and electronic properties of the decapped surfaces. U. Resch, N. Esser, Y.S. Raptis, W. Richter, J. Wasserfall, A. Foster and D.I. Westwood - Surface Science 269/270, 797-803 (1992).

15. Pressure dependence of zone-boundary phonons of AlSb. Y. S. Raptis and K. Syassen - High Pressure Research, 9/10, 31-35 (1992).

16. Raman study of C60/C70 under pressure. Y. S. Raptis, D.W. Snoke, K. Syassen, S. Roth, P. Bernier and A. Zahab - High Pressure Research, 9/10, 41-46 (1992).

17. Second-order Raman scattering in AlSb. Y.S. Raptis, E. Anastassakis and G. Kanellis - Phys. Rev. B, 46, 15801-15811 (1992).

18. Stabilized Cubic Zirconia: A Raman Study under Uniaxial Stress.     Jinguang Cai,Y. S. Raptis and E. Anastassakis - Appl. Phys. Letters, 62, 2781 (1993).

19. XRD and Raman studies of low-temperature-grown GaAs epilayers. M. Calamiotou, Y.S. Raptis and E. Anastassakis, M. Lagadas and Z. Hatzopoulos - Solid State Commun, 87, 563 (1993).

20. Temperature dependence of Raman scattering in Stabilized Cubic Zirconia. J. Cai, C. Raptis, Y.S. Raptis, E. Anastassakis - Phys. Rev. B 51, 201-210 (1995).

21. Folded phonons from lateral periodicity in (311) GaAs/AlAs corrugated superlattices. Z.V. Popovic, M.B. Vukmirovic, and Y.S. Raptis, E. Anastassakis, R. Notzel, K. Ploog - Phys. Rev. B 52 (8), 5789-94 (1995).

22. Optical Studies of ZnSe-Zns/GaAs(100) Single Quantum Wells grown by Photo-assisted Vapur Phase Epiraxy. V.V. Tishchenko, Y.S. Raptis, and E. Anasstassakis, N.V. Bondar - Solid State Communications, 96 (10), 793-98 (1995).

23. Interference patterns under normal incidence in birefringent, optically active plane parallel plates, T.D. Wen, Y.S. Raptis, E. Anastassakis, I.J. Lalov, A.I. Miteva - J. Phys. D : Appl. Phys., 28, 2128-34 (1995).

24. Surface-related phonon mode in porous GaP. I.M. Tiginyanu and V.V. Ursaki, V.A. Karavanskii and V.N. Sokolov, and Y.S. Raptis and E. Anastassakis - Solid State Communications, 97, 675-678 (1996).

25. Raman scattering study of ZnInGaS₄ and CdInGaS₄ under hydrostatic pressure. E. Anastassakis, Y.S. Raptis, Sh. Ando, T. Irie, V.V. Ursaki, I.M. Tiginyanu, S.I. Radautsan, I. I. Burlakov - Cryst. Res. Technol., 31, 365-368 (1996).

26. Pressure induced phase transition in MgInGaS₄. I.M. Tiginyanu, Y.S. Raptis, V.V. Ursaki, E. Anastassakis, I.I. Burlakov - Cryst. Res. Technol., 31, 777-780 (1996).

27. Two-wave and induced three-wave mixing in thin holograms. P.M. Petrov, V.M. Petrov, Y.S. Raptis, L.P. Xu, E. Anastassakis - J. Appl. Phys., 79, 2846-2852 (1996).

28. Interference patterns under oblique incidence in birefringent optically active plane-parallel plates. A.I. Miteva, I.J. Lalov, T. Wen, Y.S. Raptis and E. Anastassakis - J. Phys. D : Appl. Phys. 29, 2705-2713 (1996).

29. Order-disorder phase transition in CdAl₂S₄ under hydrostatic pressure. I. I. Burlakov, Y. S. Raptis, V.V. Ursaki, E. Anastassakis and I.M. Tiginyanu, - Solid State Commun., 101, 377 - (1997).

30. Strain effects on InSb phonons in bulk and superlattice layers. M. Siakavellas, Y. S. Raptis, and E. Anastassakis, D. J. Lockwood - J. Appl. Phys., 82, 6235-6239 (1997).

31. Pressure Induced Phase Transitions in Spinel and Wurtzite Phases of ZnAl₂S₄ Compound. V. V. Ursaki, I. I. Burlakov, I. M. Tiginyanu, Y. S. Raptis, E. Anastassakis, I. Aksenov and K. Sato - Jpn. J. Appl. Phys., 37, 135-140 (1998).

32. High-pressure Raman scattering study of germanium diselenide. Z. V. Popovic, Z. Jaksic, Y. S. Raptis and E. Anastassakis, - Phys. Rev. B, 57(6), 3418-3422 (1998).

33. Porous Silicon of Variable Porosity under high Hydrostatic Pressure : Raman and Photoluminescence Studies. D. Papadimitriou, Y. S. Raptis, A. G. Nassiopoulou and G. Kaltsas - phys. stat. sol.(a) 165, 43-48 (1998).

34. Pressure-induced amorphization of germanium diselenide. Z. V. Popovic, Y. S. Raptis, E. Anastassakis, Z. Jaksic - Journal of Non-Crystalline Solids, 227-230, 794-798 (1998).

35. Optical phonons in spin-Peierls compound NaV₂O₅. Z. V. Popovic, M. J. Konstantinovic, R. Gajic, V. Popov, Y. S. Raptis, A. N. Vasilef, M. Isobe and Y. Ueda - J. Phys. : Condens. Matter 10, L513-L519 (1998).

36. High-pressure studies of photoluminescence in porous silicon, D. Papadimitriou, Y. S. Raptis, A. G. Nassiopoulou, Phys. Rev. B 58, 14089-14093 (1998).

37. Phase transitions in defect chalcopyrite compounds under hydrostatic pressure. V. V. Ursaki, I. I. Burlakov, I. M. Tiginyanu, Y. S. Raptis, E. Anastassakis, A. Anedda, Phys. Rev. B 59, 257-268 (1999).

38. Temperature dependence of Raman scattering and anharmonicity study of MgF₂. A. Perakis, E. Sarantopoulou, Y. S. Raptis and C. Raptis, Phys. Rev. B 59, 775-782 (1999).

39. Raman Modes in Porous GaP under Hydrostatic Pressure,, I. M. Tiginyanu, V. V. Ursaki, Y. S. Raptis, V. Stergiou, E. Anastassakis, H. L. Hartnagel, A. Vogt, B. Prevot, C. Schwab, phys. stat. sol. (b) 211, 281-286 (1999).

40. Pressure and temperature-dependent Raman study of YLiF₄, E. Sarantopoulou, Y. S. Raptis, E. Zouboulis, and C. Raptis, Phys. Rev. B 59, 4154-4162 (1999).

41. Lattice vibrations in spin-Peierls compound NaV₂O₅. Z. V. Popovic, M. J. Konstantinovic, R. Gajic, V. Popov, Y. S. Raptis, A. N. Vasilef, M. Isobe and Y. Ueda, Solid State Commun. 110, 381-386 (1999).

42. Parameters influencing the fratness and stability of capasitive pressure sensors fabricated with wafer bonding, D. Goustouridis, D. Tsoukalas, P. Normand, A. G. Kontos, Y. Raptis, E. Anastassakis, Sensors and Actuators A-Physical, 76, 403-408 (1999).

43. High-pressure raman study of SnGeS3, V.C.Stergiou, Y.S.Raptis, Z.V.Popovic, E.Anastassakis, High Pressure Research, 18, 189-194 (2000).

44. Phonon deformation potentials of CdTe, V. C. Stergiou, Y. S. Raptis, E. Sarantopoulou, E. Anastassakis, N. T. Pelekanos, A. Arnoult, S. Tatarenko, K. Saminadayar, High Pressure Research, 18, 101-107 (2000).

45. Raman Study of Elastically strained Bulk and Layered Structures Based on CdTe, V. C. Stergiou, Y. S. Raptis, E. Anastassakis, N. T. Pelekanos, A. Nahmani, and J. Cibert, phys. stat. sol. (b), 223, 237 (2001).

46. Vibrational Properties of SnGeS₃ under High Pressure, K. Inoue, V. Stergiou, Y. S. Raptis and Z. V. Popovic, J. Phys. Soc. Japan, 70, 3901-3907 (2001).

47. Influence of Ge implantation on the mechanical properties of polycrystalline silicon microstructures, S. Polymenakos, V. C. Stergiou, A. G. Kontos, C. Tsamis, Y. S. Raptis, D. Tsoukalas, J. Micromechanics and Microengineering, 12, 450-457, (2002).

48. High-pressure Raman study of CaV₂O₅, Z. V. Popovic, V. Stergiou, Y. S. Raptis, M. J. Konstantinovic, M. Isobe, Y. Ueda, V. V. Moshchalkov, J. Phys.: Condensed Matter, 14, L583-L589, (2002)

49. Epitaxy and structural characterization of ZnSeTe Layers grown on InP substrates, A. G. Kontos, Y. S. Raptis, M. Strassburg, U. W. Pohl, J. of Crystal Growth, 247, 17-22 (2003)

50. Growth and p-type doping of ZnSeTe on InP, M. Strassburg, M. Strassburg, O. Schulz, U. W. Pohl, A. Hoffmann, D. Bimberg, A.G. Kontos, Y. S. Raptis, J. Cryst. Growth, 248, 50-55 (2003).

51. Spectroscopic study of Ce- and Cr-doped LiSrAlF₆ crystals, A. G. Kontos, G. Tsaknakis, Y.S. Raptis, and A. Papayannis, E. Landulfo, S. L. Baldochi, E. Barbosa, and N. D. Vieira, Junior, J. Appl. Phys., 93(5), 2979, 2803 (2003).

52. Raman study of nitrogen-doped ZnSSe/GaAs epilayers, A. G. Kontos, Y. S. Raptis, M. Strassburg, U. W. Pohl, D. Bimberg, Thin Solid Films, 428, 185-189 (2003).

53. Piezoelectric effect on the optical phonon modes of strained cubic semoconductors: Case of CdTe quantum wells, V. C. Stergiou, N. T. Pelekanos and Y. S. Raptis, Phys. Rev. B, 67, 165304-(1-15), (2003).

54. Compositional dependence of Raman scattering and photoluminescence emission in Cu_xGa_ySe₂ thin films, C. Xue, D. Papadimitriou, Y. S. Raptis, N. Esser, W. Richter, S. Siebentritt, M. C. Lux-Steiner, J. Appl. Phys., 94, 4341-4347, (2003).

55. Micro-Raman Study of Orientation Effects of Cu_xSe-Crystallites on Cu-rich CuGaSe₂ Thin Films, C. Xue, D. Papadimitriou, Y. S. Raptis, W. Richter, N. Esser, S. Siebentritt, M. C. Lux-Steiner, J. Appl. Phys., 96, 1963-1966, (2004).

56. Properties of polycrystalline silicon films obtained by rapid thermal processing for micromechanical sensors, D. Girginoudi, A. Mitsinakis, M. Kotsani, N. Georgoulas, A. Thanailakis, A. G. Kontos, V. C. Stergiou, Y. S. Raptis, J. Non-Crystalline Solids, 343, 54-60 (2004).

57. Micro-Raman characterization of In_xGa_1-xN/GaN/Al₂O₃ heterostructures, A. G. Kontos, Y. S. Raptis, N. T. Pelekanos, A. Georgakilas, E. Bellet-Amalric, and D. Jalabert, Phys. Rev. B, 72, 155336 (2005).

58. Raman scattering study of b-Sr_0.33V₂O₅ in charge disordered and ordered phase, Z. V. Popovic, A. G. Kontos, Y. S. Raptis, M. Isobe and Y. Ueda, J. Phys.: Condens. Matter, 18, 7779-7787 (2006).

59. Raman study of b-Sr_0.33V₂O₅ micro-crystals under high pressure, A. G. Kontos, D. Lampakis, Z. V. Popovic, Y. S. Raptis, E. Liarokapis, M. Isobe and Y. Ueda, phys. stat. sol (b) 244, 362-367 (2007).

60. High pressure Raman study of DyPO₄ at room and low temperatures, A. G. Kontos, E. Stavrou, V. Malamos, Y. S. Raptis and C. Raptis, phys. stat. sol (b) 244, 386-391 (2007).

61. Laser annealing of Al implanted Silicon Carbide: Structural and Optical Characterization, C. Boutopoulos, P. Terzis, I. Zergioti, A.G. Kontos, K. Zekentes, K. Giannakopoulos, Y.S. Raptis, Applied Surface Science, 253, 7912-7916 (2007).

62. In situ micro- and macro-Raman investigations of the redox couple behaviour in DSSCS, A. G. Kontos, T. Stergiopoulos, G. Tsiminis, Y. S. Raptis, P. Falaras, Inorg. Chim. Acta, 361, 761-768 (2008).

63. Nitrogen modified nanostructured titania: electronic, structural and visible-light photocatalytic properties, A. I. Kontos, A. G. Kontos, Y. S. Raptis and P. Falaras, phys. stat. sol. (Rap. Res. Let.) 2, 83-85 (2008).

64. Anharmonic effects and Faust-Henry coefficient of CdTe in the vicinity of the energy gap, V. C. Stergiou, A. G. Kontos, Y. S. Raptis, Phys. Rev. B 77, 235201 (2008).

65. Raman study of zircon-structured RPO₄ (R = Y, Tb, Er, Tm) phosphates at high pressures, E. Stavrou, A. Tatsi, E. Salpea, Y. C. Boulmetis, A. G. Kontos, Y. S. Raptis, C. Raptis, J. Phys.: Conf. Series 121, 42016-42021 (2008).

66. Raman study of tetragonal TbPO₄ and observation of a first-order phase transition at high pressure, A. Tatsi, E. Stavrou, Y. C. Boulmetis, A. G. Kontos, Y. S. Raptis and C. Raptis, J. Phys.: Condens. Matter 20, 425216 (2008).

67. Nanostructured titania films sensitized by quantum dot chalcogenides, Kontos A. G., Likodimos V., Vassalou E., Kapogianni I., Raptis Y.S., Raptis C., Falaras P., Nanosclale Research Letters, 6 (1), X1, 2011.

68. Nanoparticle strain sensor  (Conference Paper), Tannel J. L., Mousadakos D., Broutas P., Chatzandroulis S., Raptis Y.S., Tsoukalas D., Procedia Engineering, 25, 635-638 (2011) [25th Eurosensors Conference; Athens; Greece; 4 September 2011 through 7 September 2011; Code 88600]

69. Size control of Ag nanoparticles for SERS sensing applications, (Conference Paper), Photopoulos P., Boukos N., Panagopoulou M., Meintanis N., Pantiskos N., Raptis Y., Tsoykalas D., Procedia Engineering, 25, 280-283, (2011) [25th Eurosensors Conference; Athens; Greece; 4 September 2011 through 7 September 2011; Code 88600]

70. Raman enhancement of rhodamine adsorbed on Ag nanoparticles self-assembled into nanowire-like arrays  (Article), Panagopoulou M., Pantiskos N., Photopoulos P., Tang J., Tsoukalas D., Raptis Y.S., Nanoscale Research Letters, 6, 1-22, (2011)

71. Electrical conductivity, photoconductivity and gas sensitivity of Ge-Se-Te thin films, (Conference Paper), Nesheva D., Levi Z., Raptis Y.S., Raptis C., Petkov K., Vassiliev V., Journal of Physics: Conference Series, 398(1), Article number 012058, (2012) [17th International School on Condensed Matter Physics: Open Problems in Condensed Matter Physics, Biomedical Physics and Their Applications, ISCMP 2012; Varna; Bulgaria; 2 September 2012 through 7 September 2012; Code 95436]

72. Electronic band structure imaging of three layer twisted graphene on single crystal Cu(111), (Article), Marquez Velasco J., Kelaidis N., Xenogiannakopoulou E., Raptis Y. S., Tsoutsou D., Tsipas P., Speliotis Th., Pilatos G., Likodimos V., Falaras P., Dimoulas A., Applied Physics Letters, 103(21), Art.num. 213108 (2013)

73. Laser annealing and simulation of amorphous silicon thin films for solar cell applications, (Conference Paper), Theodorakos I., Raptis Y.S., Vamvakas V., Tsoukalas D., Zergioti I., Proceedings of SPIE, Vol. 8967, 2014, Article number 89670T, [Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XIX; San Francisco, CA; United States; 3 February 2014 through 6 February 2014; Code 105120]

74.  A study on the pulsed laser printing of liquid-phase exfoliated graphene for organic electronics, (Article), Papazoglou, S., Raptis Y.S., Chatzandroulis S., Zergioti I., Applied Physics A: Materials Science and Processing, 117(1), 301-306 (2014)

75. Picosecond and nanosecond laser annealing and simulation of amorphous silicon thin films for solar cell applications, Theodorakos I., Zergioti I., Vamvakas V., Tsoukalas, D.,  Raptis Y. S., Journal of Applied Physics, 115(4), Art. Num. 043108-1(-9), (2014)

76. Reducing the layer number of AB stacked multilayer graphene grown on nickel by annealing at low temperature, Velasco, J. Marquez, Giamini, S. A., Kelaidis, N., Tsipas, P., Tsoutsou, D., Kordas, G., Raptis, Y. S., Boukos, N., Dimoulas, A., Nanotechnology, 26(40), Art. Nu. 405603, (2015).

77. The effect of buffer layer on the thermochromic properties of undoped radio frequency sputtered VO2 thin films, Panagopoulou M., Gagaoudakis E., Aperathitis E., Michail I., Kiriakidis G., Tsoukalas D., Raptis Y.S., Thin Solid Films, (2015), doi:10.1016/j.tsf.2015.06.010

78. Effect of O2 flow rate on the thermochromic performance of VO2 coatings grown by atmospheric pressure CVD  (Article), Louloudakis D., Vernardou D., Spanakis E., Dokianakis S., Panagopoulou M., Raptis G., Aperathitis E., Kiriakidis G., Katsarakis N., Koudoumas E., Physica Status Solidi (C) Current Topics in Solid State Physics, 12(7), 856-860 (2015)

 79. Magnetic manipulation of superparamagnetic nanoparticles in a microfluidic system for drug delivery applications, L. Agiotis, I. Theodorakos, S. Samothrakitis, S. Papazoglou, I. Zergioti, Y.S. Raptis, Journal of Magnetism and Magnetic Materials (accepted, to appear 2016)