Employee ID | 10018 |
Date of Joining | 21-09-1994 |
Nature of Association | Regular |
Department | Applied Physics |
Designation | Professor & Head |
Educational Qualification | Ph.D M. Phill. M.Sc. |
ruby.das@bitdurg.ac.in | |
Contact Number | Extension No. 227, Global Directory No. 8114 |
Theoretical Plasma Physics:-Instabilities in plasma; Experimental Solid State Physics:- Preparation and characterization of thin films, Nano materials
(a). Research Papers Published
(International Journal)
1 |
Microstructural and Optoelectronic Properties Investigation of Sb Doped CdSe Thin Films, Journal of Electronic Materials (Springer) (2022) 51: 552-563 (SCIE). |
2 |
A comprehensive study of structural, optical and electrical properties of Cu doped CdS nanocrystalline thin films: for optoelectronic applications, Journal of Materials Science: Materials in Electronics, (Springer) (2022) 33: 1601-11612 (SCIE). |
3 |
A Systematic investigation on structural and optical properties of sol-Gel spin coating fabricated CdS Nanocrystalline thin films: Effect of Ni doping, Journal of Materials Science: Materials in Electronics, (Springer) (2021) 32:20903-20911 (SCIE). |
4 |
Influence of Trivalent Bismuth Doping on Optoelectronic and Microstructural Properties of Hydrophilic Nanocrystalline Cadmium Selenide Thin Films, Thin Solid Films (Elsevier) (2020) 693:137675 (SCIE). |
5 |
Synthesis of Nanocrystalline Sn x Cd1−x S Thin Films Capped with Thioglycerol and Methanol (TGM) and Study of Optical and Structural Properties, Journal of Electronic Materials (Springer) (2019) 48(4): 2152–2161 (SCIE). |
6 |
Synthesis, Optical Characterization and Comparative Study of Zn & Mn Concentration on Cds Thin Films Prepared by Chemical Bath Deposition Method, Int. J. of Management, Technology & Engineering (2019) IX(III):1169 |
7 |
Incorporation of Tin in Nanocrystalline CdSe Thin Films: A Detailed Study of Optoelectronic and Microstructural Properties, Applied Physics A (Springer) (2018) 124(10):665 (SCIE). |
8 |
Surface Morphology Based Optical Properties of Chemically Deposited CdS Nano Crystalline Thin Films, International Journal of Advanced in Management, Technology and Engineering Sciences (2018) 8(3):1624-1633 |
9 |
Examination of the Growth of Rare Earth Doped CdSe Thin Films through Optical and Electrical Characterization, International Journal of Advanced in Management, Technology and Engineering Sciences (2018) 8(3):1616-1623 |
10 |
Preparation of Nanocrystalline Mg Doped CdSe Thin Films and their Optical, Photoluminescence, Electrical and Structural Characterization, J. Material Science: Materials in Electronics (Springer) (2017) 28:18296–18306 (SCIE). |
11 |
Optical and Structural Characterization of Pure and Zinc-Doped Lead Oxide Nanostructures Synthesized by Chemical Root Method, Optik - International Journal for Light and Electron Optics (Elsevier) (2016), 127(15): 6028–6035 (SCIE). |
12 |
Synthesis and Characterization of Pure and Zn Doped Lead Hydroxide Nano Structure through Chemical Root Method, Optik -International Journal for Light and Electron Optics (Elsevier) (2016) 127:4854-4858 (SCIE). |
13 |
Synthesis and Structural Characterization of Lead Oxide, International Journal of Advance Research in Science and Engineering (2015) 4:1-5 |
14 |
Effect of the Concentration of TEA on the Formation of Lead Hydroxide Micro to Nano Particle, Materials Science in Semiconductor Processing (Elsevier) (2015) 32: 49-54 (SCIE). |
15 |
Structural Characterization and Photoluminescence Properties of Zinc Oxide Nano Particles Synthesized by Chemical Route Method, Journal of Radiation Research and Applied Sciences, (Elsevier) (2015) 8: 433-438 (SCIE). |
16 |
Preparation of CdS Thin Films by Varying Triethanolamine and their Structural, Optical and Electrical Characterization, International Journal of Advanced Engineering Research and Studies (2015), IV/II/Jan |
17 |
Synthesis, Structural Characterization and Study of Blue Shift in Optical Properties of Zinc Oxide Nano Particles Prepared by Chemical Route Method, Super Lattices and Microstructures (Elsevier) (2015) 88: 417-425 (SCIE). |
18 |
Synthesis and Optical Properties of Chemical Bath Deposited ZnO Thin Film, Karbala International Journal of Modern Science (Elsevier) (2015) 1(3):159-165 |
19 |
Preparation & Optical Properties of CdS Thin Films with Variation of Ammonia Solution, International Journal of Advanced & Innovative Research, (2014) 03:180-182 |
20 |
Preparation of Nano Crystalline Sb Doped PbS Thin Films & their Structural, Optical & Electrical Characterization, Super Lattices and Microstructures (Elsevier) (2014) 75:601-612 (SCIE). |
21 |
Synthesis, Morphology and Structural Characterization of Lead Hydroxide Nano Particles, International Journal for Research in Applied Science and Engineering Technology (IJRASET), (2014) 2(8):284-288 |
22 |
Structural, Photoluminescence and Optical Properties of Chemically Deposited (Cd1-xBix)S Thin Films as a Function of Dopant Concentration, J. Material Science: Materials in Electronics (Springer) (2013) 24:697-703 (SCIE). |
23 |
Compositional Effect of Antimony on Structural, Optical and Photoluminescence Properties of Chemically Deposited (Cd1−xSbx)S Thin Films, Superlattices and Microstructures (Elsevier) (2013) 59:29–37 (SCIE). |
24 |
Synthesis and Optical Properties of Ternary Derivatives of Zn Doped CdS (ZnxCd1-xS) for Different Deposition Times with Different Compositions, World Open Research Journal of Nano science (2013) 1(1):01-13 |
25 |
Synthesis and Structural Properties of Nano crystalline (Pb1-xBix)S Thin Films, Advances in Physics Theories and Applications (IISTE) (2013) 19:101-104 |
26 |
Preparation of Nano Crystalline PbS Thin Films and Effect of Sn Doping and Annealing on their Structural and Optical Properties, Materials Research Bulletin (Elsevier) (2012) 47(2):239-246 (SCIE). |
27 |
Comparison of Optical Properties of Bulk and Nano Crystalline Thin Films of CdS using Different Precursors, International Journal of Material Science (IJMS) (2011) 1(1):35-40 |
28 |
Effect of Annealing and Composition on Crystal Structure, Surface Morphology, and Optical Absorption of Chemically Deposited Cd1-x(Sn)xS films, Crystal Research Technology (Wiley) (2010) 7:725- 731 (SCIE). |
29 |
Synthesis, Microstructure Study and Optical Characterization of Chemical Bath Deposited Nano Crystalline CdSe Thin Films, Journal of Optoelectronics & Advanced Materials, (2010) 12(6):1406-1413 (SCIE). |
30 |
Compositional Effect on the Optical Characteristics of Solution Grown Cd1-x(Sn)xS Thin Films”, Journal of Material Science (Springer) (2008) 43:5972- 5976 (SCIE). |
31 |
Parametric Decay of a Whistler Wave at the Difference Frequency of Two Electromagnetic Waves in a Plasma, Journal of Plasma Physics (1991) 45(1):115-123 (SCIE). |
32 |
Generation of Electromagnetic Wave in Two-Electron Temperature Plasmas, Contributions to Plasma Physics (Wiley) (1991) 31(4):367-370 (SCIE). |
33 |
Parametric Decay of a Whistler Wave at the Difference Frequency of Two Electromagnetic Waves in a Plasma, Physica Scripta (1991) 43: 601-604 (SCIE). |
(National Journal)
1 |
Optical Properties of Chemical Bath Deposited Pb(OH)2 Thin Film, Applied Physics Letter (2016) 2(4):23-26. |
2 |
Refractive Index and Extinction Coefficient of Chemical Bath Deposited Pb(OH)2 Thin Film, Applied Physics Letter (2016) 2(4):19-22. |
3 |
Effect of Capping Agent on Nano CdS Thin Films, CSVTU Research Journal (special issue dedicated to Bharat Ratna Prof. C. N. R. Rao) (2014) 7:35-40 |
4 |
Preparation and Characterization of Nano Crystalline Ho Doped CdS Thin Films, CSVTU Journal of Advanced Materials Engineering (2014) 7:13-19 |
5 |
Effect of Annealing on Surface Morphology and Optical Properties of Chemically Deposited Cd1-x(Sn)xS Thin Films, CSVTU Research Journal (2010) 03(1):8-12 |
6 |
Parametric Instability of a Lower Hybrid Wave in Two Electron Temperature Plasma, CSVTU Research Journal (2008) 1(2):10-17 |
7 |
Stimulated Brillouin Scattering of an Electromagnetic Wave By an Acoustic-Like Mode in Multi-Ion Species Plasmas, Pramana - J. of Physics (Indian Academy of Sciences-Bangalore) (1990) 35(5):495- 501 (SCIE). |
Other Responsibilities:
List of National/International Workshop/STTP/FDP Attended
S.No. |
Title |
No. of Days |
Organization |
Duration |
1 |
Online Elementary FDP on "Novel Materials: Advances and Application" |
1 week |
AICTE Training And Learning (ATAL) Academy, NIT, Raipur |
24th Sep 2021 to 28th Sep 2021 |
2 |
Attended Faculty Enrichment Webinar for Physics Teachers in Higher Education |
1 day |
National Resource Centre for Education at NIEPA, New Delhi |
12th Mar 2021 |
3 |
How Things Work: An Introduction to Physics |
|
an online course authorized by University of Virginia |
27th Sep 2020 |
4 |
Leadership in a complex and Changing World |
1 Week |
Churchill College, University of Cambridge |
6th - 10th January 2020 |
5 |
Leadership for Academicians Program (LEAP) - Phase II Sponsored by MHRD |
2 Weeks |
Indian Institute of Technology, Kharagpur |
11th - 22nd November, 2019 |
6 |
Basics of Quantum Mechanics by Prof. H. C. Verma |
12 weeks |
Centre for Development of Technical Education (CDTE), Indian Institute of Technology Kanpur |
15th Aug to 18th Nov 2019 |
7 |
Basics of Special Theory of Relativity by Prof. H. C. Verma |
8 weeks |
Centre for Development of Technical Education (CDTE), Indian Institute of Technology Kanpur |
18th Dec 2018 to 08th Mar 2019 |
8 |
Faculty development programme “A foundation programme on data science” using TIBCO Statistica |
02 |
Jointly organized by centre of excellence, Department of Management & Grid Analytics India Pvt. Ltd. |
13th-14th October 2017 |
9 |
Online training programme on “Physics of Semiconductors” by Prof. H. C. Verma |
12 weeks |
Centre for Development of Technical Education (CDTE), Indian Institute of Technology Kanpur |
15th Aug 2017 to 20th Nov 2017 |
10 |
Pedagogy for effective use of ICT in engineering education” |
2 weeks |
ISTE short term training programme (STTP), IIT Bombay |
5-7 Jan and 19-21 Jan 2015 |
11 |
Utilization of DigiClass rooms available in BIT campus |
4 days |
Pearson education |
24th-27th March,2014 |
12 |
Training on “Opportunity for Research Funding from Department of Science & Technology” |
11.00 am - 01.00 pm |
CSVTU, Bhilai |
23rd April, 2012 |
13 |
Workshop on “Physics & Applications of Luminescence to nano-science, radiation dosimetry and geology” |
2 days |
SSCET, Bhilai. |
3-4 Dec. 2009 |
14 |
Workshop on “Valuation of students in internal examinations and method of awarding sessional marks” |
1 day |
SSCET, Junwani |
16th feb.2008 |
15 |
Symposium on Paradigms of research in Engineering and Technology |
1 day |
CSVTU, Bhilai |
25th Jan. 2008 |
16 |
U.G. C. sponsored national conference on “Current trends in Physics “ |
02 day |
Bhilai Mahila Mahavidyalaya, |
25th-26th feb, 2007 |
17 |
Workshop on ‘Redefining Technical Education in the context of global, national and local needs’ |
2 day |
CSVTech. University, Bhilai |
2nd-3rd July, 2005. |
18 |
Refresher course in Physics |
3 weeks |
Pt. R.S.S.University, Raipur( C.G.) & obtained Grade – A |
Feb. 3 – Feb .23, 2003 |
19 |
Summer school of Physics “Free Electron Lasers” |
2 weeks |
School of Physics, Devi Ahilya University, Indore, M.P. |
11th – 23rd June, 1990 |
20 |
Workshop-cum-symposium on Beams and Plasmas Applications in Materials Technology |
3 days |
Bhabha Atomic Research Centre (BARC), Bombay ,organized by Plasma Science Society of India |
Jan. 31 – Feb.2 ,1990 |
21 |
Workshop on Laser – Plasma Interaction |
1 week |
CAT, Indore (M.P.) |
30 Nov.–5 Dec.1989 |
Experience of Administrative Responsibilities in Academic Institutions:
From |
To |
Administrative Position |
Major responsibility |
1995 |
Nov.2020 |
Head of the Applied physics Department, BIT, Durg |
Arrange & develop faculty, design & construction of new BE lab, sanction of budget, University approved research lab, department meetings for growth plan etc. |
18/11/16
2007 |
29/11/2019
2010 |
Chairman Board of Studies, Applied Physics, CSVT University |
Framed the course structure and detailed syllabus of BE first year Engineering Physics selection of paper setters , Member , Selection Committee & Inspection of Research Centers in various colleges |
2007 |
2020 |
Convener National level conference |
Invite speakers, prepare conference brochure and formation of department committee |
2017
2009 |
2018
2011 |
Prof. in charge College Magazine ( BIT Panorama) |
Student committee formation, Work distribution, page setup, printing & distribution procedure etc. |
-
- |
1/12/15
20/7/11 |
Head valuer , Govt.Digvijay College Rajnandgao(CG).
CSVTU,Bhilai |
M.Sc.IIIrd Sem,Physics,Paper-I,Quantum Mechanics, Code R-3601. Paper setting & Valuation BE - Applied Physics |
2003 |
2010 |
Prof. in charge Sports Committee(Girls)
|
Fix match schedule, work distribution, supervision of events etc. |
2017 | 2022 | Prof. incharge literary committee |
Books Authored:
S. No. |
Name of Book |
Co-authors |
Publisher |
Year of Publication |
1 |
The Synthesis & Optical Characterization of Some Doped CdS Thin Films |
Dr. Rajesh Lalwani,
|
Lambert Academy Publishing |
5 February 2021 |
2 |
Structural and Optical Properties of Nanocrystalline PbS Thin Films |
Dr. Rajesh Lalwani,
|
Lambert Academy Publishing |
2018 |
3 |
A Text book of Engineering Physics Practical |
Mr. C.S. Robinson, Dr. Rajesh Lalwani, Mr. Prashant Kumar Sahu |
University Science Press (an imprint of Laxmi Publication Pvt. Ltd.) |
2010, 2016 (second edition) |
Ph.D. Supervision (Awarded / Ongoing):
S. No. |
Scholar’s Name |
Year of Regn. |
Status (Ongoing/ Completed) |
University |
1 |
Rajesh Kumar |
21 Nov, 2007 |
Ph. D. Awarded May, 2012 |
CSVTU, Bhilai, C.G. |
2 |
Suman Pandey |
April, 2010 |
Awarded M.Phil. 2011 |
CVRU, Bilaspur, C.G. |
3 |
Preeti Bala Taunk (with UGC project ) |
25 Feb, 2014 |
Ph.D. Awarded December, 2018 |
CSVTU, Bhilai, C.G. |
4 |
Prashant Kr. Sahu |
25 Feb, 2014 |
Ph.D. Awarded November, 2019 |
CSVTU, Bhilai, C.G. |
5 |
Suman Pandey |
25 Feb,2014 |
Ongoing Ph.D. |
CSVTU, Bhilai, C.G. |
6 | Mrs. Brijlata Sharma |
24/12/2018 |
(Ongoing Ph.D.) |
CSVTU, Bhilai, C.G. |
Details of R&D Projects (Add as New)
Name of PI & CO- PI |
Title |
Agency |
Sanctioned Order No. |
Year of Start |
Year of Completion |
Total Grant to be funded |
Amount Released during the session |
Dr. Rajesh Lalwani, Dr. Devisingh Raghuwanshi, Dr. Ruby Das |
A Novel approach to the synthesis of photosensitive non structure material their characterization for utilization of solar energy in chattisgarh |
CSVTU/ TEQIP-III |
CSVTU/CRP/TEQIP-III/12 |
17/8/ 2019 |
2021 |
200,000 |
|
Felowship/Awards/Other recognitions:
- Indian Association of Physics Teachers , L117/302, Naveen Nagar, Kanpur-208 025
- Materials Research Society of India(MRSI), Indian Institute of Science , Banglore-560 012
- Indian Physics Association, TIFR Colaba, Bombay 400 005
- PhD supervisor of Government Chhattisgarh Swami Vivekanand Technical University, Bhilai, Chhattisgarh, INDIA.
- Member, Board of Studies, Chhattisgarh Swami Vivekanand Technical University, Bhilai, C.G. India.
Sponsored Workshops/STTP Conducted/FDP (Conferences chair/ Convertor/Coordinator/Co-Coordinator):
Sl. No. |
Topic/Title |
Dates |
No. of Days |
Organization/Place |
1 |
National Conference BITCON-2020 |
20th November 2020 |
Organized as Convener |
Department of Applied Physics, Bhilai Institute of Technology, Durg |
2 |
First online meeting of Board of studies (BOS) (Applied Physics) for Autonomy syllabus preparation |
31st October, 2020 |
Organized as Chairman |
Department of Applied Physics, Bhilai Institute of Technology, Durg |
3 |
FDP on Recent advances in Theoretical and experimental Physics and future prospective of AICTE new syllabus |
30-31 August, 2019 |
Program co-ordinator |
Under TEQIP-III BIT, Durg and CSVTU, Bhilai |
4 |
National Conference on recent advances in Nano Science & Nano Technology |
12-13 Jan. 2009 |
Chaired a technical session |
SSCET, Bhilai |
5 |
National conference ‘technovision-2007’ |
Oct.26-27th, 2007. |
Chaired a technical session |
Shri Shankaracharya College of Engineering & Technology, Bhilai |
Invited talk/ Guest lecture delivered:
No. |
Title of paper presented |
Title of conference/seminar etc. |
Date of event |
Organized by |
Whether International/National/State/ Regional/University or College level |
1 |
Luminescence |
Guest Lecture for Post graduate students |
5th March 2020 (2 hrs) |
Govt. Dr. W.W. Patankar Girls' P.G. College, Durg |
College Level |
2 |
Molecular Crystal Defects |
Guest Lecture for Post graduate students |
25th Apr 2019 |
Govt. Dr. W.W. Patankar Girls' P.G. College, Durg |
College Level |
3 |
Raman Effect |
National Science Day-2019 |
28th Feb. 2019 |
Govt. Dr. W.W. Patankar Girls' P.G. College, Durg |
College Level |
4 |
Optical and structural properties of semi metal doped CdS and nano crystalline PbS thin films |
Emerging trends in Physics pedagogy and research |
07-8-2014 (09:30am to 11:00am) Session- VI |
RSR-Rungta College of Engineering & Technology, Bhilai |
National (ISTE sponsored) |
5 |
Physics of Laser
Nuclear Physics |
Bhabha Jayanti |
23 Jan. 2009 & 17th Nov. 2011
30th Oct,2017 |
Govt. Dig Vijay College, Rajnandgaon |
College level
(For M.Sc. Students) |
6 |
Teaching Learning & Evaluation Process |
Seminar, Physics |
07 March 2009. |
AITM, Rajnandgaon |
College level (For B.E. first year Students) |
7 |
Visiting faculty of Nanotechnology |
PG Certificate course |
2008-09. |
CSVTU, Bhilai |
University level |
8 |
Role of Applied sciences in Engineering & Technology |
Seminar, Physics & Chemistry Association |
01/02/ 2008. |
MPCCET, Bhilai |
College level |
Membership: