• Ph.D. in Physics – UGC DAE Consortium for Scientific Research (CSR), Indore (MP) (2009)
  Area of Specialization: Magnetic oxide thin films, DMS, Materials science, Experimental Techniques
• CSIR-NET (JRF) 2002, CSIR-NET (LS) 2001
• M.Sc. in Physics – Bundelkhand University, UP (1999)
• B.Sc. (Physics, Mathematics, Chemistry):  Bundelkhand University, UP (1997) 

• Associate Professor, School of Physics
  School of Physics, Shri Mata Vashno Devi University ( 2023- Present)

• Assistant Professor, School of Physics
  School of Physics, Shri Mata Vashno Devi University ( 2011- 2023)

Course teaching during the Academic Year 2024-2025

Even Semester (2024-25)

      PHL MD 208: Foundation of Modern Physics : Lesson Plan

      PHL 7194: Thin films and Vacuum Technology:  Lesson Plan

Odd  Semester( 2024-25)         

• Major PHL 7107 :Electronic Theory of Solids 
• Major- PHL 3084 :Fundamentals of materials science 
• PHP BS 101 :Engineering Physics Lab  Coordinator 

• Head, School of Physics, Shri Mata Vaishno Devi University  (20-01-2025–Present)

• Associate Dean, Student Welfare (Boys) , Shri Mata Vaishno Devi University  (19-09-2023–Present)

• Warden, Trikuta (Boys) Hostel , Shri Mata Vaishno Devi University (23-10-2020–Present)

• Joint Warden, Kailash (Boys) Hostel, Shri Mata Vaishno Devi University  (09-08-2017–23-10-2020)

1. Principle Investigator of Research project entitled “Synthesis and study of electronic structure of transition metal doped and undoped Eu₂O₃ thin films” (PR-82) funded from UGC-DAE CSR, Indore under CRS scheme. (Duration May 2015 to March 2019) Completed.
2. Principle Investigator of Resaerch project entitled “Probing electronic structures of phosphates” (RP-130)” funded from UGC-DAE CSR, Indore under CRS scheme. (Duration May 2021  ongoing)

List of Publications (SCI/ SCIE/Scopus Indexed Journals): 

1. A. Khajuria, V.D. Sharma, P. Khajuria, Ram Prakash, Synthesis, down-conversion luminescence, and Judd-Ofelt analysis of Eu³⁺ ions activated in K₂MgP₂O₇ nanophosphor Physica B: Condensed Matter,  698, 416750 (2025).
2. V. D. Sharma, Pooja Khajuria, Arti Khajuria, Ram Prakash, R. J. Choudhary; Activation of KZr₂(PO₄)₃ Nanophosphor with Dy3+ ions to Demonstrate its Optical and Spectral Properties; Journal of Electronic Materials, 53, pp. 7997–8010 (2024).
3. R. Mahajan, S. Sharma, Ram Prakash; Spectroscopic study of yellowish white light emitting MgP₂O₆: Dy³⁺ phosphor; Journal of Molecular Structure 1316, 139053 (2024).
4. P. Khajuria, V. D. Sharma, Arti Khajuria, Ram Prakash, R. J. Choudhary; Synthesis and Spectroscopic Investigations of Sm³⁺ Activated ZrO₂ and Na₂ZrO₃ as Warm Light Phosphors; Journal of Fluorescence (2024)
5. V. D. Sharma, Pooja Khajuria, S. Kumar, Ram Prakash, R. J. Choudhary; A novel yellow whitish Dy3+ activated NaZr2(PO4)3 phosphor: Structural, spectral and optical investigations; Optik 291, 171354 (2023).
6. V. D. Sharma, Pooja Khajuria, Ram Prakash, R. J. Choudhary; Synthesis and Luminescence Properties of High-Purity Red-Light-Emitting Eu³⁺ -Doped NaZr₂(PO₄)₃ Phosphor; Journal of Electronic Materials 52: 6146–6158 (2023).
7. Pooja Khajuria, V. D. Sharma, R. Mahajan, Ram Prakash, R. J. Choudhary; Influence of Sm³⁺ ion doping on the surface and photoluminescence properties of Ba₃Zr₂O₇ phosphor; Materials Today Communications 36, 106373 (2023).
8. R. Mahajan, Ram Prakash; A review report on structural and optical characterization of rare earth/transition metal doped pyrophosphate phosphors; Journal of Materials Science: Materials in Electronics, 33(34), pp. 25491–25517 (2022).
9. V. D. Sharma, Pooja Khajuria, R.  Mahajan, Ram Prakash, R. J. Choudhary; X-ray photoemission and optical investigation of novel Sm³⁺ activated NaZr₂(PO₄)₃ phosphor; Optik 267, 169711 (2022).
10. R. Mahajan, Ram Prakash; Effect of Eu³⁺ activator on spectral investigation of red emitting MgP₂O₆ phosphate; Optik 266, 169611 (2022).
11. Pooja Khajuria, R. Mahajan, Ram Prakash; Synthesis and luminescent properties of ZrO2 and Dy3+-activated ZrO2 powders, Journal of Materials Science: Materials in Electronics, 32, 27441–27448 (2021).
12. Pooja Khajuria, R. Mahajan, Ram Prakash, R. J. Choudhary and D. M. Phase; Spectral and optical properties of Ruddlesden-Popper-type Ba3Zr2O7 phosphors doped with Eu3+ ion, Applied Physics A: Materials Science and Processing 127, 807 (2021)
13. R. Mahajan, Ram Prakash, R. J. Choudhary and D. M. Phase; Structural, electronic and optical characterization of Eu³⁺ /Dy³⁺ single and co-doped Mg₂P₂O₇ phosphors, Physica Scripta 96, 075808 (2021).
14.  R. Mahajan, Ram Prakash, S. Kumar, R. J. Choudhary and D. M. Phase;  Surface and luminescent properties of Mg₃(PO₄)₂: Dy³⁺ phosphors, Optik 225, 165717 (2021).
15. Pooja Khajuria, R. Mahajan, S. Kumar, Ram Prakash , R. J. Choudhary and D. M. Phase; Surface and spectral investigation of Sm³⁺ doped MgO-ZrO₂ phosphor, Optik 216, 164909 (2020).
16. Ram Prakash and  Mahajan ; Structural and luminescent properties of Europium activated magnesium orthophosphate phosphor; AIP Conference Proceedings 2265, 030066 (2020).  https://doi.org/10.1063/5.0017195
17. Ram Prakash and  Kumar; Optimization of deposition parameter of Cr doped Eu₂O₃ thin films; AIP Conference Proceedings 2220, 090004 (2020);  https://doi.org/10.1063/5.0001416
18. S. Kumar and Ram Prakash ; XPS and photoluminescence studies of Tb³⁺ doped α-Al₂O₃ phosphor, AIP Conference Proceedings 2220, 020019 (2020).  https://doi.org/10.1063/5.0001434
19. S. Kumar, P. Khajuria, R. Mahajan, Vishav Deep Sharma, Yonghoon Lee and Ram Prakash; Synthesis and spectral properties of Sm³⁺ doped MgAl₂O₄ phosphor; AIP Conference Proceedings 2220, 020011 (2020); https://doi.org/10.1063/5.0001443.
20. P. Khajuria, R. Mahajan, S. Kumarand Ram Prakash; Synthesis and optical properties of magnesium zirconium oxide; AIP Conference Proceedings 2220, 020023  (2020);  https://doi.org/10.1063/5.0001422
21. R. Mahajan, Ram Prakash; Effect of Sm³⁺ doping on optical properties of Mg₂P₂O₇ and Mg₃P₂O₈ phosphors; Materials Chemistry and Physics, 246, 122826 (2020).
22. R. Mahajan, Ram Prakash; Synthesis and effect of Dy³⁺doping on vibrational and luminescent properties of Mg₂Zn(PO₄)₂; Journal of Materials Science: Materials in Electronics 31, 3861–3868 (2020).
23. D. M. Phase, G. Panchal, R. Rawat, S. Tiwari, Ram Prakash, D. Jain, R.J. Choudhary; Anomalous magnetic properties of Fe₃O₄ nanostructures on GaAs substrate probed using X-ray magnetic circular dichroism; Journal of Magnetism and Magnetic Materials 282 (2019) 296-300.
24. R. Mahajan, S. Kumar, Ram Prakash , V. Kumar, R. J. Choudhary and D. M. Phase; X-ray photoemission and spectral investigations of Dy³⁺  activated  magnesium pyrophosphate phosphors; Journal of Alloys and Compounds 777 (2019) 562-571.
25. Ram Prakash, S. Kumar, Rubby Mahajan, Pooja Khajuria, V. Kumar, R. J. Choudhary and D. M. Phase; Spectral properties of Dy³⁺ doped ZnAl₂O₄ phosphor; AIP Conference Proceedings 1953, 030040 (2018).
26. S. Kumar, Ram Prakash, R. J. Choudhary, and D. M. Phase; Structural, morphological and electronic properties of pulsed laser grown Eu₂O₃ thin films; AIP Conference Proceedings 1953, 100012 (2018).
27. Rubby Mahajan, Sandeep Kumar, Ram Prakash, and Vinay Kumar;Synthesis and luminescent properties of Sm3+ doped zinc aluminate phosphor; AIP Conference Proceedings 1953, 030209 (2018).
28. Rubby Mahajan, S. Kumar, Ram Prakash, V. Kumar; “Synthesis and luminescent properties of Sm3+ activated lithium zinc borate phosphor”   AIP Conference Proceedings 2006, 030045 (2018); DOI: https://doi.org/10.1063/1.5051301.
29. Sandeep Kumar, Ram Prakash, R. J. Choudhary and D. M. Phase; Photoemission studies on (1 1 1) textured Cr doped Eu₂O₃ thin film; Journal of Alloys and Compounds 738 (2018) 233-238.
30. M.Manhas , V. Kumar , V. K. Singh, J. Sharma, Ram Prakash,V. Sharma, A.K. Bedyal, H.C. Swart; A novel orange-red emitting Ba₂Ca(BO₃)₂:Sm³⁺ phosphor to fill the amber gap in LEDs: Synthesis, structural and luminescence characterizations; Current Applied Physics, 17 (2017)1369-1375.
31. Ram Prakash, Sandeep Kumar and Vinay Kumar; Photoluminescence investigation of Dy³⁺doped α-Al₂O₃phosphor; AIP Conference Proceedings 1832, 140016 (2017).
32. Sandeep Kumar, Ram Prakash, R. J. Choudhary, D. K. Shukla and D. M. Phase; Electronic structure studies of Fe doped Eu₂O₃ thin film using x-ray absorption and resonant photoemission spectroscopy; Journal of Alloys and Compounds 711 (2017)598-602.
33. S. Kumar, V.D. Mote, Ram Prakash, Vinay Kumar; X-ray analysis of α-Al₂O₃ particles by Williamson-Hall methods. Materials Focus 5, 545-549 (2016).
34. Ram Prakash, R.J. Choudhary, D.M. Phase; Resonant Photoemission Spectroscopic Studies of Eu₂O₃ Thin Film. Kumar, J. Appl. Phys. 120 (12), 125309 (2016).
35. V. K. Singh,  Y. Dwivedi, J. Sharma, Ram Prakash, A. K. Pathak; A Special Issue on Advanced Functional Materials: A Modern Perspective Materials Focus 5 (3), pp. 183-186 ( 2016).
36. Ram Prakash, Kumar, Vinay Kumar, R.J. Choudhary, D.M. Phase; Optical And X-Ray Photoelectron Spectroscopic Studies Of α-Al₂O₃; AIP Conference Proceedings 1731, 050097 (2016).
37. S. Kumar, Ram Prakash, V. K. Singh; Synthesis, Characterization, and Applications of Europium Oxide: A review; Reviews in Advanced Sciences and Engineering (RASE) 4, 247-257 (2015).
38. Kumar, Ram Prakash, V. Kumar, G.M. Bhalerao, R. J. Choudhary and D. M. Phase; Surface and spectral studies of Eu³⁺ doped α-Al₂O₃ synthesized via solution combustion synthesis; Advanced Powder Technology, 26, (Issue 4) 1263-1268 (2015) (doi:10.1016/j.apt.2015.06.009).
39. S. Kumar, Ram Prakash, R.J. Choudhary, D.M. Phase; Structural, XPS and magnetic studies of pulsed laser deposited Fe doped Eu₂O₃ thin film. Materials Research Bulletin, 70, 392-396 (2015) (DOI: 10.1016/j.materresbull.2015.05.007).
40. S. Kumar, Ram Prakash, and V. Kumar; A novel yellowish white Dy3+ activated α-Al₂O₃ phosphor: Photoluminescence and optical studies.  Functional Materials Letters 8, 1550061 (2015). (DOI: 10.1142/S1793604715500617).
41. A.K. Bedyal, Vinay Kumar, Ram Prakash, O.M. Ntwaeaborwa, H.C. Swart; A near-UV-converted LiMgBO₃:Dy³⁺ nanophosphor: Surface and spectral investigations.
    Applied Surface Science, 329, 40–46 (2015).
42. Ram Prakash, S. Kumar, F. Ahmed , C. G. Lee, and J. I. Song; Room temperature ferromagnetism in Ni doped In₂O₃ nanoparticles; Thin Solid Films 519, 8243 (2011).
43. Faheem Ahmed, Shalendra Kumar, Nishat Arshi, M.S.Anwar, Ram Prakash; Growth and characterization of ZnO nanorods by microwave-assisted route: green chemistry approach; Adv. Mat. Lett., 2(3), 183 (2011).
44. Ram  Prakash, S. Kumar, C. G. Lee and J. I. Song, Study of Structural and magnetic properties of Co doped In₂O₃ nano particles.  International J of Nanoscience 10, 961(2011) (DOI: 10.1142/S0219581X11008721).
45. Ram Prakash, S. Kumar, C. G. Lee and J. I. Song, Low temperature Raman study of PrCoO₃ thin films on LaAlO₃(100) substrates grown by pulsed laser deposition; Cent. South Univ.  Technol. 17, 1144 (2010).
46. S. Kumar, Ram Prakash, Alimuddin, H. K. Choi, B. H. Koo, J. I. Song, H. Chung, H. Jeong, C. G. Lee, Influence of Ti⁺⁴doping on the hyperfine field parameters of Mg₉₅Mn_0.05Fe_2-2xTi_2xO₄ (0≤x≤0.7); J. Cent. South Univ.  Technol. 17, 1139 (2010).
47. S. Kumar, K. M. Batoo, Ram Prakash, H. K. Choi, B. H. Koo, J I Song, H. Chung, H. Jeong, C. G. Lee, Impedance spectroscopy studies on Mn_1+xFe_2-2xTi_xO₄ (0 ≤ x ≤ 0.5) ferrites ; . Cent. South Univ. Technol. 17, 1133 (2010).
48. K. M. Batoo, S. Kumar, Ram Prakash, Alimuddin, J I Song, H. Chung, H. Jeong, B. H. Koo, C. G. Lee, Mössbauer spectra of MnFe_2-2xAl_2xO₄(0.0≤ x ≤ 0.4) ferrite.
    J. Cent. South Univ. Technol. 17, 1129 (2010).
49. Ram Prakash, S. Kumar, C. G. Lee, S. K. Sharma, M. Knobel, J. I. Song, Study of Raman spectrum of Fe doped CeO₂ thin films grown by pulsed laser deposition.
    Advanced Mat. Research 123-125, 375 (2010).
50. P. Thakur, J. C. Cezar, N. B. Brookes, R. J. Choudhary, Ram Prakash, D. M. Phase, K. H. Chae and R. Kumar, Direct observation of oxygen induced room temperature ferromagnetism in MoO₂ thin films by x-ray magnetic circular dichroism characterizations. Appl. Phys. Lett. 94, 062501 (2009).
51. Ram Prakash, R. J. Choudhary, and D. M. Phase; Electronic structure of Fe (0-5 at. %) doped MoO₂ thin films studied by resonant photoemission spectroscopy. J. Phys.: Cond. Mat. 20, 335225 (2008).
52. Ram Prakash, D. M. Phase and R. J. Choudhary and Ravi Kumar, Structural, electrical and magnetic properties of Mo_1-xFe_xO₂ (x=0-0.05) thin films grown by pulsed laser ablation. J. Appl. Phys. 103, 043712 (2008).
53. Y.S. Katharria, Sandeep Kumar, R.J. Choudhary, Ram Prakash, F. Singh, N.P. Lalla, D.M. Phase and D. Kanjilal, Pulsed laser deposition of SiC thin films at medium substrate temperatures; Thin Solid Films 516, 6083 (2008).
54. R. Dubey, A. Gupta, D. M. Phase, Ram Prakash; Excimer laser irradiation effect on soft magnetic properties of sputtered iron nitride thin films; Journal of Nanoscience and Nanotechnology, 8, 4092 (2008).
55. Ram Prakash, R.J. Choudhary, S. Tiwari, D.M. Phase and R. Kumar; Effect of 200 MeV Ag¹⁵⁺ ion irradiation on structural and electrical transport properties of Fe₃O₄ thin films.  Nucl. Instrum. Meth. B 266, 1242 (2008).
56. Ram Prakash, R. J. Choudhary, D. M. Phase and R. Kumar; Growth and properties of pulsed laser deposited Fe doped MoO_2+δ thin films; AIP Conf. Proc. 1003, 25 (2008).
57. P. Thakur, W. K. Choi, K. H. Chae, J.-Y. Kim, R. J. Choudhary, S. Tiwari, Ram Prakash, D. M. Phase and Ravi Kumar, X-ray Absorption Spectroscopic Studies of Pulsed-Laser-Deposited Thin Films of Fe₃O₄ on Si (111) Substrate; J. Korean Phys. Soci. 53, 3694 (2008).
58. Ram Prakash, R. J. Choudhary, L. S. Sharath Chandra, N Lakshmi, and D. M. Phase;Electrical and magnetic transport properties of Fe₃O₄ thin films on GaAs (100) substrate; J. Phys.: Cond. Mat. 19, 486212 (2007).
59. S. Tiwari, Ram Prakash, R. J. Choudhary, and D. M. Phase; Oriented growth of Fe₃O₄ thin film on crystalline and amorphous substrates by pulsed laser deposition;. J. Phys. D: Appl. Phys. 40, 4943 (2007).
60. S. Tiwari, R. J. Choudhary, Ram Prakash, and D. M. Phase, Growth and properties of pulsed laser deposited thin films of Fe₃O₄ on Si substrate of different orientation.J. Phys.: Cond. Mat. 19, 176002 (2007).
61. P. Bhatt, Ram Prakash, S. M. Chaudhari, V. R. Reddy, D. M. Phase, Investigation of Ti Layer Thickness Dependent Structural, Magnetic, and Photoemission Study of Nanometer Range Ti/Ni Multilayer Structures. J. Nanosci. Nanotechnol. 7, 2081 (2007).
62. Y. S. Katharria, Sandeep Kumar, Ram Prakash, R. J. Choudhary, F. Singh, D.  M.  Phase, D. Kanjilal; Characterizations of pulsed laser deposited SiC thin films; J. Non Cryst. Solids, 353, 4660 (2007).
63. D. M. Phase, S. Tiwari, Ram Prakash, A. Dubey, V. G. Sathe and R. J. Choudhary; Raman study across the Verwey transition of epitaxial Fe₃O₄ thin films on MgO (100) substrate grown by pulsed laser deposition; , J. Appl. Phys. 100, 123703 (2006).
64. Ram Prakash, S. Amirthapandian, D.M. Phase , S.K. Deshpande, R. Kesavamoorthy , K.G.M. NairStudy of ion beam induced mixing in nano-layered  Si/C multilayer structures. Nucl. Instrum. Meth. B 244,  283 (2006).

1. Pulsed laser growth of Fe doped Europium oxide thin films. S. Kumar, Ram Prakash, J. Choudhary, D.M. Phase; Proceeding of the national conference on Advanced Functional materials and their application (AFMA- 2015)”  ISBN No. 978-81-7233-976-0 Published by Scientific Publishers India.
2. “Study of variation of refractive index with concentration of NaCl aqueous solution using Newton’s Ring method and its applications” Ram Prakash, S. Kumar, and K. Singh, Proceeding of international conference on Technological Innovations through Modern Engineering Science (TIMES-2013) Page 49-50 “ISBN 978-93-81771-22-8”
3. “Effect of chemical modification imparted to substrate on Magneto Optic Kerr Effect in Ni film on Si.” Ram Prakash, D. M. Phase, Dileep Kumar, V. Raghvendra Reddy, V. Ganesan; Proceedings 49th DAE-Symposium 2004.
4. “Deposition of silicon nitride films by DC discharge aided pulsed laser deposition” Ram Prakash, D. M. Phase; PLD symposium-2005-P10.
5. “Effect of laser fluence on structure and properties of pulsed Nd/YAG laser deposited iron oxide thin films” Shailja Twari, Ram Prakash, Atul Twari, U.P. deshpande, T. Shripathi, D. M. Phase; PLD symposium-2005-P13.
6. “Effect of particulates on structure and properties of magnetite thin films” Shailja Tiwari, Aditi Dubey, Ram Prakash, Vasant Sathe,V. R. Reddy and D.M. Phase. Proceedings DAE Solid State Physics Symposium: Dec.2005, Mumbai, India.
7. “Epitaxial growth characterization of Fe₃O₄ thin films on MgO (100) substrate” Ram Prakash, D. M. Phase, R. J. Choudhary, V. R. Reddy and Ajay Gupta. Proceedings DAE Solid State Physics Symposium: Dec.2006, Bhopal, India.
8. “Design and performance of a multi-target magnetron sputtering system”
   M. Phase, Ram Prakash and R. J. Choudhary. Proceedings DAE Solid State Physics Symposium: Dec.2006, Bhopal, India.
9. “Preferential growth of Fe₃O₄ thin films on single crystal and amorphous substrates by pulsed laser deposition”. Ram Prakash, R. Choudhary, Shailja Tiwari, D. M. Phase_, P. Thakur, K.H. Chae, Ravi Kumar; AMTONE-2007-P-15.
10. “Synthesis and characterization of PrCoO₃ thin films grown by pulsed laser deposition” Ram Prakash, R. J. Chaudhary, D. M. Phase; PLD-2007-PSP1.16.
11. “Shift heavy ion irradiation induced structural modification of epitaxial Fe₃O₄/NiO bilayer structures grown by pulsed laser ablation” Ram Prakash, R. J. Choudhary, V. R. Reddy, Ajay Gupta and D. M. Phase; Proceedings DAE Solid State Physics Symposium: Dec.2007, Mysore, India.
12. Growth and properties of pulsed laser deposited Fe doped MoO_2+δ thin films; Ram Prakash, R. J. Choudhary, D. M. Phase and Ravi Kumar; Proceedings ICMM-07, Kolkata (India).

1. V. K Singh, V. Kumar, Ram Prakash, J. Sharma, A. Kumar, P. Singh, Book chapter entitled “Recent development and Applications of Novel analytical techniques for the analysis of pant materials” in a ebook  “Technological Advancement in Plant Sciences” edited by R. P. Narayan, D. K. Tripathi and R. K. Gaur , Published by Nova Publishers, NewYark.

• Ph.D. Students Supervised – 

  •                    04  PhD  degree Awarded   

                       02  PhD Work is ongoing 

•  Master’s Thesis Advisor – 
• • • • Supervised  15 M.Sc. Physics Students

No Data Available

• Worked as Organizing Secretary, National Conference on Emerging Trends in Materials Science (NCETMS-2018) during 7-8  February, 2018
• Worked as Joint Secretary, National Conference on Recent Advances in Materials Science and Spectroscopy (NC  RAMSS-2017) during 15-17  February, 2017.

• To be upadated

No Data Available

1. Trieste, Italy March16-20, 2009, to attend “School on NOVEL SYNCHROTRON RADIATION APPLICATIONS”.
2. Changwon, South Korea, for Post-doc and Adjunct Professor from Sept 2009 to Feb 2011.
3. Atlanta (USA) November14-18, 2010  to present a  paper in MMM-2010 conference.
4. Trieste, Italy, March 19-30, 2012, to attend “Synchrotron and FEL based Method and their multi-disciplinary applications”
5. Chulalongkorn University, Bangkok, Thailand  for presenting a papaer in International conference on “9th International conference on Applied Physics and Mathematics (ICAPM-2019) held  during 21-23, January, 2019.

No Data Available