CURRICULUM VITAE
of
Dr. R. K. Thapa
Head, Physics Department, Mizoram University, Aizawl, Mizoram
______________________________________________________________________________
1. Subject of Specialization
:
(in M.Sc/Ph.D)
2. Educational Qualifications :
Theoretical Condensed Matter Physics
related mainly to Photoemission calculations.



B.Sc. (Hons)
M.Sc. (Physics)
Ph. D.

Diploma in Mechanics (Machine Shop)
1974
1977
1994
3. Teaching Experiences
St. Anthony’s Coll, NEHU
Gauhati Univ. Guwahati
North Bengal University,
Darjeeling, India
Don Bosco Technical School,
Shillong (1969).
First Class
First Class
:
P.G. = 5 years (appx.) w.e.f. 1-7-2005 till date.
U.G.= 28 years of teaching B.Sc. (Pass & Hons.
Courses) at Pachhunga University College, Aizawl,
Mizoram (India) w.e.f. 06-12-1978 till 2-1-2007.
4. Numbers of Ph. D. awarded under my supervision
:
5
5. Number of Students working for Ph.D. under my supervision :
7
6. Ph. D. Thesis /M. Phil Dissertations Examined
Ph.D.
:
=9
M. Phil. = 2
7. Research Experiences :
 1983-86 :
Collaborated with Prof. R. A. Lal, Department of Chemistry, NEHU, Shillong in the
conductivity measurements of copper complexes and organometallic compounds.

1987-1993:
Worked for Ph. D. degree in the field of Theoretical Condensed Matter Physics
related to Photoemission Calculations from surface and bulk of solids under the
supervision of Dr. N. Kar, Department of Physics, North Bengal University,
Darjeeling (W.B.)
8. Research Projects Completed :
(i)
Major Research Projects completed :

Calculations of Electromagnetic Fields near the surface of solids and its
application to Photoemission,


5
DAE (1992-95),
Rs. 1.98 Lakhs.
Formation of the initial state wavefunction and its use in the photoemission
study of metals and semiconductor incorporating the spatially dependent
photon fields,
DST (1996-99),
Rs.4.3677 Lakhs.
Theoretical Study of Photofield Effect on Metals incorporating the
spatially dependent Photon Fields, UGC (2001-04), Rs. 2.8056 Lakhs
2


A Group Theoretical Method of Forming the Initial State Wavefunction for
Photoemission Calculations,
DAE (2001-04),
Rs. 6.7628 Lakhs
A study of Electromagnetic response near a metal surface and its application
to Photoemission,
CSIR (2005 – 08), Rs. 6.94 Lakhs
(ii) ONGOING PROJECT :


2
Study of Photofield emission by using the full-potential linear augmented
plane wave (FP-LAPW) method and band structure calculations.
DAE (2008-11),
Rs.11.7 Lakhs
Measurement of radon-thoron and progeny concentrations and equilibrium
factors in Mizoram,
DAE (2008 – 11), Rs. 48.42 Lakhs
(As Co-Investigator)
(iii) Minor Reseach Projects guided
9.
10.
:
4
Supervised the following minor research projects funded by U.G.C. :
 Theoretical study of Photoemission from Metals and Semiconductors (2000 –
2002), by Sri. Zaithanzauva Pachuau, Department of Electronics, Govt. Zirtiri
Residential Science College, Aizawl, Mizoram.
 Application of Group Theory to Photoemission Calculations (2001 – 2003) by
Sri. B. Zoliana, Department of Electronics, Govt. Zirtiri Residential Science
College, Aizawl, Mizoram.
 A simple study of photoemission from high temperature superconductors
(2002 – 2004) by Sri Gunakar Das, Physics Department, Govt. Kolasib
College, Kolasib, Mizoram..
 Application of muffin-tin potential formalism to photoemission calculations
(2002 – 2004) by Sri Shivraj Gurung, Physics Department, Govt. Kolasib
College, Kolasib, Mizoram..
Research Activities :
 Photoemission calculations from the surface and the bulk regions of metals.
 Band structure calculations by using FP-LAPW and LKKR methods.
 Calculations of photofield emissions from the metals by using the
projector operator method of group theory.
 Study of half metals especially Co2MnAl Heusler alloy.
Collaborative Researches : (In progress with)



Dr. Arthur Ernst, Max-Plank-Institute for Microstructre Physics,
Wienberg 2, Halle, Germany, on Electronic structure and photoemission
calculations by using the ab-initio Green’s function method based on
Multiple Scattering Theory.
Dr. Harun Akkus, Department of Physics, Yuzuncu Yil University,
Van, Turkey, on Electronic structures of ABO4 type Ferroelectrics.
Prof. G. Mukhopadhayay, I.I.T, Mumbai, on Photofield emission calculations.
3


11..
Prof. T. P. Sinha, Bose Institute, Kolkata, India, on properties of
ferroelectrics.
Dr. B. Indrajit Sharma, Assam University, Silchar, on Electronic band
structure calculaltions of Transitionmetal nitrides.
Research Fellowships :

1989 – 90 : Mizoram Research Fellowship.

1997-98 : Visiting Fellowship of Jawaharlal Nehru Centre for Advanced
Scientific Research (JNCASR), Bangalore and worked with Dr. S. K. Joshi
of
National Physical Laboratory, New Delhi, in the
field of
Superconductivity concerning mainly the cuprate superconductors.
12. FOREIGN VISITS :
(i)
Visited U.K. (1998-99) :
Worked with the Band Theory Group of Dr. Paul Durham at Daresbury
Laboratory, Daresbury, Warrington Chesire (U.K.). This visit was concerned with
the development and application of a computer code developed at Daresbury for
photoemission calculations from Cu (100), (110) and (111) surfaces by using the Density
Functional Theory. Visit was sponsored by Royal Society, London (U.K.) and Indian
National Science Academy, New Delhi.
(ii)
Visited Iran (2004-5) :
Worked with the Condensed Matter Theory Group of Prof. Hadi Akbarzadeh, at
I.C.T.P. Affiliated Centre, Physics Department, Isfahan University of Technology,
Isfahan, Iran, under the programme sponsored by International Centre for Theoretical
Physics (ICTP, Trieste, Italy) during November 04-January 2005. The visit was involved
with the calculations of atomic potentials by using the WIEN2k code and its application
to photoemission calculations from metals.
(iii)
Visited Iran (2008-9)
Worked with the Condensed Matter Theory Group of Prof. Hadi Akbarzadeh, at
I.C.T.P. Affiliated Centre, Physics Department, Isfahan University of Technology,
Isfahan, Iran, under the programme sponsored by International Centre for Theoretical
Physics (ICTP, Trieste, Italy) during December 2008-Jan 09. The visit was involved with
the study of Heusler alloy Co2MnAl as half metal.
13.
Research Paper reviewed : Reviewed an article sent by the Editor, Applied Surface
Science, Elsevier Science.
14.
Awards and Books :


Best Science Teacher Award, 1985 from Govt. of Mizoram, Aizawl.
Paper presented at the Colloquium for Young Physicists 1990 organised by Indian
Physical Society, Calcutta on 23 & 24th August, 1990 at Saha Institute of Nuclear
Physics, Calcutta.
4

Books :
(i) Fourier Series and Transforms, (Zoram Book House, Zarkawt, Aizawl.)
(ii) A Text Book of Sound, for B.Sc.course in Physics, (Zoram Book House,
Zarkawt, Aizawl.)
(iii) Group Theory and its application to Solid State Physics (To be published by
PHI).
15.
Life Member/Member of the following bodies :









16.
Life Member of Indian Physical Society, Calcutta.
Life Member of Indian Association of Physics Teacher, Kanpur.
President, IAPT, Mizoram region.
Life Member of Assam Science Society, Guwahati, Assam.
Life Member of Physics Academy of the North-East, Guwahati (Assam).
Founder and General Secretary of Mizoram Physical Society, Aizawl, Mizoram.
Subject Expert of Mizoram Public Service Commission. Aizawl.
Council Member of the Indian Physical Society, Calcutta. for the year 1994 – 95.
Honorary member of the Editorial Board of the Bulletin of Applied Sciences (A),
New Delhi.
I have been associated with the following academic boards/bodies :









Mizoram Board of Secondary Education, Aizawl 796 001 for framing of syllabi, cocurricular activities, examiner etc.
BUGS, North-Eastern Hill University, Shillong 793 022.
Examiner/Paper Setter of Mizoram University.
State Council of Education, Research and Training,(SCERT) Aizawl 796 001, as
resource person for training the High School and Higher Secondary school teachers. t
Member of DOEACC Society, Department of Electronics, Govt. of India, Electronics
Niketan, CGO Complex, New Delhi 110 003 .
Chairman of BUGS and BPGS, Physics of Mizoram University.
Chairman of Board of Studies in Physics, Mizoram University.
Member of BPGS of Mathematics and Chemistry Departments of Mizoram
University.
Member of Syllabus Designing Committee, Sikkim University(2009).
17.
Innovations :
18.
I have developed experiments with theory for B.Sc.(Honours) course of NEHU/Mizoram
University.
I have the working knowledge of the following software packages :
FORTRAN 77/90/95, WATFOR 77, MS-DOS, MS-OFFICE, LOTUS WORDPRO,
WINDOWS 98, SIGMA PLOT 2000, NETSCAPE COMMUNICATOR, LINUX OS.
19.
Links :


Prof. S. G. Davison, Deptt. of Physics and Appld. Mathematics
University of Waterloo, Ontario, Canada.
Dr. Arthur Ernst, Max-Plank Institute for Microstructure Physcs, Weinberg 2
Halle, Germany.
5





17.
Dr. Nikhiles Kar, Deparment of Physics, North Bengal University, Darjeeling.
Prof. G. Mukhopadhayay, Physics Department, I. I. T., Mumbai.
Prof. D. T. Khathing, Department of Physics, NEHU, Shillong.
Dr. P. K. Patra, Science Education Centre, NEHU, Shillong.
Dr. R. Bhattacharjee, Department of Physics, Assam University, Silchar.
Seminars/Workshops/Conferences organized/conducted:



Workshop on Digital Library, Physics Department, Mizoram University, March 1216, 2007 (Convener)
2 - DAY Orientation Course in FORTRAN Programming for Physics Teachers of
Colleges in Mizoram, Physics Department, Mizoram University 4th & 5th MAY
2006. (Convener & Instructor)
Seminar on International Year of Physics, 8th December, 2005, Physics Department,
Mizoram University (Convener).
6
List of Publications
of
Dr. R. K. Thapa,
Department of Physics, Mizoram University, Aizawl, Mizoram.
_________________________________________________________________________
FOREIGN JOURNALS
1.
Photoemission calculation with a simple model for photon fields : Application to Al, P.
Das, R.K. Thapa and N. Kar, Mod. Phys. Lett. B5, [1], 65-72 (1991).
2.
Photoemission calculation using Kronig-Penney model and spatially dependent 0 vector
potential:Application to Pd, R.K. Thapa, Phys. Status Solidi, B179, 391-397
(1993).
3.
Photoemission calculation with Kronig-Penney model, R. K. Thapa, P. Das and
N. Kar, Mod. Phys. Lett. B8 [6] 361-366 (10 March 1994).
4.
Photocurrent calculation in Beryllium using local dielectric model, R. K. Thapa and N.
Kar, Phys. Rev. B51 [24] 17980-17983 (15 June 1995).
5.
Kronig-Penney model treatment of photoemission from silicon, R. K. Thapa and
N. Kar, Surface Science, 338, 138-142 (1995).
6.
Relativistic treatment of photoemission incorporating the spatially dependent
photon
fields, R. K. Thapa, Shivraj Gurung, Zaithanzauva and D. T. Khating,
Surf. Rev. Lett. 6 [1] 145-149 (1999).
7.
Application of Mathieu potential to photoemission from metals, Z. Pachuau,
B. Zoliana, D. T. Khating, P. K. Patra and R. K. Thapa, Phys. Lett. 275A,
459-462 (2000).
8.
Application of Mathieu potential to photoemission calculations : the case of a strong
potential, Ziathanzauva Pachuau, B. Zoliana, P. K. Patra, D. T. Khating and R. K.
Thapa, Phys. Letts. A 294, 52-57 (2002).
9.
A model photoemission calculations using the Projection Operator Method,
B. Zoliana, Zaithanzauva. Pachuau, Lalthakimi Zadeng, R. K. Thapa, P. K. Patra and
D. T. Khathing, International Jour. Mod. Phys. B17 [17] 2897 – 2902 (July 2003).
10
Electronic and magnetic structure of ultrathin anti-ferromagnetic films on a ferromagnetic
substrate : A first - principles study of Mn on Fe (001), A. Ernst, J. Henk and R. K.
Thapa, J. Phys.: Condens. Matter 17, 3269 – 3283 ( 15 May 2005).
11.
A simple theory of photofield emission from the surface of a metal, R.K. Thapa and
Gunakar Das, International Jour. Mod. Phys. B19, 3141-3149 (2005).
12.
Photofield emission calculations by using projection operator method, R.K.Thapa,
Gunakar Das, S.R. Gurung, B. I. Sharma and P. K. Patra, Mod. Phys. Lett. B21 [22]15011507 (2007).
7
13.
Impedence spectroscopy, electronic structure and X-ray photoelectron spectroscopy
studies of Pb (Fe1/2Nb1/2)O3, Chandrahas Bharti, Alo Dutta, Santiranjan
Shannigrahi, R.K. Thapa and T.P. Sinha, Jour. Electron Spectroscopy and Related
Phenomena, 169, 80-85 (2009).
14.
15.
density functional investigation of NbC and NbN compounds, B. Indrajit Sharma, R.K.
Brojen Singh, R.K. Thapa, R.S. Paul and Jameson Maibam, Intl. Jour. Mat. Sci. 4, 197
(2009).
Density functional and Monte Carlo studies of electronic structure and electron solid
interactions in NbC and NbN compounds, Prakash Barman, B. Indrajit Sharma, Jameson
Maibam, R.K. Brojen Singh and R.K. Thapa, Adv. Sci. Lett. (In press).
INDIAN JOURNALS
1.
2.
3.
4.
5.
6.
7.
8.
Photoemission calculation from band state using Kronig-Penney model and spatially
varying photon field, R. K. Thapa and N. Kar, Indian Jour. Pure and Appld. Phys. 26,
[10], 620-623, (October 1988).
Variation of photon fields at the metal surface, R. K. Thapa, Indian Jour. Pure and
Appld. Phys. 28,[2], 87-88, (Feb 1990).
Spatial variation of photon field at the jellium - vacuum interface, R. K. Thapa, Indian
Jour. Pure and Appld. Phys. 28, [63], 357-359 (June 1990).
Electromagnetic field near surface in a simple model : The case of Al, R. K. Thapa
and N. Kar, Indian Jour. Phys. 64A, [4], 321-324 (July 1990).
Photoemission calculation from metallic surface using Free electron model, R. K. Thapa
and N. Kar, Jour. Semiconductor Materials and Devices, 2, [1], 111-115 (Jan-March
1990).
Electromagnetic field near the surface of Pd using simple local dielectric model,
R. K. Thapa, N. Kar and R. A. Lal, Indian Jour. Pure and Appld. Phys. 29, [6], 453-454
(June 1991).
Frequency dependent photoemission from aluminium using a simple local dielectric
model, R. K. Thapa, P. Das and N. Kar, Physics Teacher, 33 [1] 21-26 (Jan-March
1991).
Electromagnetic fields near surfaces, R. K. Thapa, P. Das, N. Kar and R. A. Lal,
Bull. Mat. Sciences, 16 [1] 29-36 (Feb 1993).
9.
Electromagnetic field calculated in the surface region using a simple dielectric model and
application to metals, R. K. Thapa and S. G. Davison, Indian Jour. Pure and Appld.
Phys. 34 [2] 118-120 (Feb 1996).
10.
Photocurrent behaviour in free electron metals, Zaithanzauva and R. K. Thapa, Indian
Jour. Pure and Appld. Phys. 34 [10] 843-844 (Oct 1996).
11.
Photocurrent calculations in semiconductor using Kronig-Penney model, Zaithanzauva
Pachuau, Shivraj Gurung, R. K. Thapa, D. T. Khating and N. Kar,
Indian Jour. Phys.
73A [2] 237-243 (1999).
12.
A simple study of photoemission from metals, B. Zoliana, Z. Pachuau,
8
13.
14.
15.
16.
S. Srivastav, R.C. Tiwari , P.K. Patra and R.K. Thapa, Indian Jour. Phys. 76A [2] 201209 (Mar 2002).
Photoemission studies of metals by using the Mathieu potential,B. Zoliana, Z. Pachuau,
Lalthakimi Zadeng, P. K. Patra, D. T. Khathing and R. K. Thapa, Indian Jour. Phys.
A77, [4] 393-396 (July 2003).
Calculation of photofield emission from band states using Kronig-Penney and spatially
varying photon field, R.K.Thapa, Gunakar Das, Lalthakimi Zadeng and R.
Bhattacharjee, Indian Jour. Phys. 78 [9] 939-942 (2004)
Calculation of photocurrent in Al and Be by using the free electron potential model for
the crystal, R.K. Thapa, S. R. Gurung, G. Das and R. Bhattacharjee, Indian Jour. Phys.
A80 [4] 361-366 (2006).
Application of projector operator method to define basis functions for use in
photoemission calculations, B. Zoliana and R. K. Thapa, Indian Jour. Phys. 82[5]
147 – 154 (2008).
17.
Studies on energy band structure of NbC and NbN using DFT, B. Indrajit Sharma,
Jameson Maibam, R.S. Paul, R.K. Thapa and R.K. Brojen, Indian Jour. Phys. (In
press).
18.
Study of Co2MnAl Heusler alloy as half metallic ferromagnet, R.K. Thapa, Javad
Hashemifar, Morteezza Jamal, D.T. Khathing, P.K. Patra, Indrajit Sharma,
Rosangliana, Lamuanpuia, M.P. Ghimire, Sandeep and Dibya Prakash Rai, Indian
Jour. Phys. (In press).
19.
Study of electronic and optical properties of lead telluride (PbTe) by using FP-LAPW
method, Lalmuanpuia, Rosangliana, M. P. Ghimire, Sandeep and R. K. Thapa,.
20.
Electronic and semi-conducting properties of yttrium nitride, M. P. Ghimire,
Sandeep, Lalmuanpuia, Rosangliana and R. K. Thapa, (In press).
21.
Electronic and Magnetic properties of Gadolinium (Gd), Sandeep, M. P. Ghimire,
Lalmuanpuia, Rosangliana and R. K. Thapa, (In press).
22.
Study of photofield emission in tungsten by using free electron model, Rosangliana,
M. P. Ghimire, Lalmuanpuia, Sandeep and R. K. Thapa, (In press).
23.
Studies on energy band structure of NbC and NbN using DFT, B. Indrajit Sharma,
Jameson Maibam, R. S. Paul, R. K. Thapa and R. K. Brojen Singh, (In press).
24. To correlate Radon and Thoron concentration with Gamma Radiation Background in
Mizoram, Lalmuanpuia Vanchhawng, P. C. Rohmingliana, R. K. Thapa, B. K.
Shahoo, Y. S. Mayya, O. P. Singh, B. Zoliana, (In press).
25. Measurement of indoor Radon and Thoron concentration in correlation to
Geographical Location and concentration types of Buildings in Mizoram,
Lalmuanpuia Vanchhawng, P. C. Rohmingliana, R. K. Thapa, B. K. Shahoo, Y. S.
Mayya, O. P. Singh, B. Zoliana, (In press).
9
B.
Conference Papers:
1. Photoemission calculation with free electron wave function and local
dielectric model of the surface, R. K. Thapa, P.Das and N. Kar, Proc. of Solid
State Phys. Symposium (DAE), 32C, 396 (1989).
2. Electromagnetic near surface in local dielectric model, R. K. Thapa and N. Kar,
Proc. Solid State Phys. Symposium (DAE), 32C, 398 (1989).
3. Photoemission from the surface of Silicon, R. K. Thapa, P. Das and N. Kar, Con.
Phy. and Technol. of Semiconductor Devices and Integrated circuits, SPIE
Proc.1523, 318 (1992).
4. Photoemission calculation from the Fermi level of Aluminium, P.Das, R .K. Thapa
and N. Kar, DAE Solid State Physics Symposium, Bombay, December 23 24, 1993.
5. Photoemission from Free Electron Metals : Aluminium, Beryllium and Potassium,
Zaithanzauva, R. K. Thapa and N. Kar, National Conf. Dev. Elect. Mat. and
Applications, Shivaji University, Kolhapur, May 6 - 8, 1995.
6. Photocurrent calculations in beryllium using Kronig - Penney model potential,
Zaithanzauva, Shivraj Gurung, R. K. Thapa and N. Kar, National
Conf. Sci. Technogy. Surfaces and Interfaces, I.I.T, Kharagpur, December
16 - 18, 1996.
7. Calculations of photon field in an adsorbate of oxygen on tungsten, Shivraj Gurung,
Zaithanzauva and R. K. Thapa, National Conf. Sci. Technogy. Surfaces and
Interfaces, I.I.T, Kharagpur, December 16 - 18, 1996.
8. Application of Mathieu potential to Photoemission calculations, Zaithanzauva Pachuau, B.
Zoliana, P.K. Patra, R.K. Thapa, Third Regional Conference on Physics Research in
North-East, Dibrugarh University, Dibrugarh, 9th November 2002.
9. Application of Projection Operator method of Group Theory to Photoemission
calculations, B. Zoliana, Zaithanzauva Pachuau, P.K. Patra, D.T. Khating and R.K.
Thapa, Third Regional Conference on Physics Research in North-East, Dibrugarh
University, Dibrugarh, 9th November 2002.
10. Application of Kronig-Penney model to photoemission calculation from Fe an Ni
Lalthakimi Zadeng, S. Srivastava , R.K. Thapa, P. K. Patra , B. Zoliana and Z. Pachuau,
Third Regional Conference on Physics Research in North-East, Dibrugarh University,
Dibrugarh, 9th November 2002.
11. Bandstructure calculations in lead salts within the formalism of density-functional theory,
R. K. Thapa, CMDAYS-: Symposium on Condensed Matter Physics, NEHU, Shillong,
25-27th August 2004.
12. Band structure and photoemission calculations by using the LEED type wavefunctions,
Lalthakimi Zadeng, Shivraj Gurung, P. K. Patra, N. Kar and R. K. Thapa, CMDAYS-04
: Symposium on Condensed Matter Physics, NEHU, Shillong, 25-27th August 2004.
13. Calculation of vector potential in metal by using W.K.B. method and its application to
photoemission calculation, Shivraj Gurung, G. Das, G. Mukhopadhayay and
R. K. Thapa, CMDAYS-04 : Symposium on Condensed Matter Physics, NEHU,
Shillong, 25-27th August 2004.
14. A model photoemission calculation by using projection operator method of group
theory, B. Zoliana and R.K. Thapa, Accepted for presentation in 22nd Young Physicist
Colloquium, 2nd & 3rd September, 2004, Saha Institute of Nuclear Physics, Kolkata.
(Paper presented by B. Zoliana).
10
15 alculation of photofield emission from the surface of metal, Gunakar Das, Shivraj
Gurung, Ramendu Bhattacharjee and R.K.Thapa, 4th Conference on Physics research in
North East (PANE), Nov 5-6, 2004, G.C. College, Silchar, Assam.
16 Calculations of Electromagnetic fields in metals and its application to Photoemission,
Shivraj Gurung, G. Das, R. Bhattacharjee and R. K. Thapa, 4th Conference on Physics
research in North East (PANE), Nov 5-6, 2004, G.C. College, Silchar, Assam.
17. Calculations of dielectric functions and energy gap in case of yttrium nitride, M.P.
Ghimire and R. K. Thapa, Proceedings of the National Conference on Energy trends and
advances in Electrical Engineering and Renewable Energy, 22 – 24 December 2008,
Sikkim Manipal Institute of Technolgy.
18. Study of Co2MnAl Heusler alloy as half metallic ferromagnet, R. K. Thapa, Javed
Hashenifar, Morteeza Jamal, D. T. Khathing, P. K. Patra, Indrajit Sharma, Rosangliana,
Lalmuanpuia, M. P. Ghimire, Sandeep and Dibya Prakash Rai, 6th National Conference
of the Physics Academy of the North East (PANE), April 2-4 2009.
19. Study of electronic and optical properties of lead telluride (PbTe) by using FP-LAPW
method, Lalmuanpuia, Rosangliana, M. P. Ghimire, Sandeep and R. K. Thapa, 6th
National Conference of the Physics Academy of the North East (PANE), April 2-4 2009.
20. Electronic and semi-conducting properties of yttrium nitride, M. P. Ghimire, Sandeep,
Lalmuanpuia, Rosangliana and R. K. Thapa, 6th National Conference of the Physics
Academy of the North East (PANE), April 2-4 2009.
21. Electronic and Magnetic properties of Gadolinium (Gd), Sandeep, M. P. Ghimire,
Lalmuanpuia, Rosangliana and R. K. Thapa, 6th National Conference of the Physics
Academy of the North East (PANE), April 2-4 2009.
22. Study of photofield emission in tungsten by using free electron model, Rosangliana, M.
P. Ghimire, Lalmuanpuia, Sandeep and R. K. Thapa, 6th National Conference of the
Physics Academy of the North East (PANE), April 2-4 2009.
23. Studies on energy band structure of NbC and NbN using DFT, B. Indrajit Sharma,
Jameson Maibam, R. S. Paul, R. K. Thapa and R. K. Brojen Singh, 6th National
Conference of the Physics Academy of the North East (PANE), April 2-4 2009.
24. To correlate Radon and Thoron concentration with Gamma Radiation Background in
Mizoram, Lalmuanpuia Vanchhawng, P. C. Rohmingliana, R. K. Thapa, B. K. Shahoo,
Y. S. Mayya, O. P. Singh, B. Zoliana, 6th National Conference of the Physics Academy of
the North East (PANE), April 2-4 2009.
25. Measurement of indoor Radon and Thoron concentration in correlation to Geographical
Location and concentration types of Buildings in Mizoram, Lalmuanpuia Vanchhawng,
P. C. Rohmingliana, R. K. Thapa, B. K. Shahoo, Y. S. Mayya, O. P. Singh, B. Zoliana,
6th
National Conference of the Physics Academy of the North East (PANE), April 2-4
2009.
26. Electronic Band structure calculations in transition metal-nitrides and carbides: the case
of NbN and NbC, M. P. Ghimire, Sandeep and R.K. Thapa, National Conf. Mod. Trends
in Electrical Engg. (NCMTEE-2009), Hooghly Engg. & Tech. College, 11-12 July 2009.
27. Study of energy bands in YC and NbC by using FP-LAPW method, M. P. Ghimire,
Sandeep and R.K. Thapa, CMDAYS-2009, Jadavpur University, Kolkata, 26-28 August
2009.
C.
Interdisciplinary Research Publications :
11
1.
2.
3.
4.
5.
6.
7.
D.
Acetate salicyllhydrazone complexes of dioxouranyl (VI) nitrate, acetate and sulphate,
R.A.Lal, M.N.Singh and R.K.Thapa, Synth. React. Inorg. Met. Org. Chem. 17, 491
(1987).
Dioxouraniuym (VI) complexes with succinoyldihydrazone, R.A.Lal, S.Das,
M.N.Singh and R.K.Thapa, Synth. React. Inorg. Met. Org. Cem. 17, 243 (1987).
Polymeric dioxouranium (VI) complexes with acyldihydrazone, R.A.Lal, S.Das and
R.K.Thapa, Inorg. Chem. Acta, 1332, 129 (1987).
Dioxouranium (VI) complexes acetone, isonicotinoylhydrazone, R.A.Lal,
M.N.Singh and R.K.Thapa, Indian Jour. Chem. 26A, 883 (1987).
Polymeric dioxouranium complexes with malonoyldihydrazine, R.A.Lal,
M.N.Singh and R.K.Thapa, Indian Jour.Chem.27A,327 (1988).
Synthesis, characterisation....... copper (II) complexes, K.K.Narang,
R.A. Lal, R.K.Thapa and V.K.Gautam, Tran. Met. Chem. 13, 212, (1988).
H NMR Spectral evidence for chair conformationin mono- and bis-dioxouranium
(VI) complexes of bis (o-hydroxynaphthaldehyde)- oxaloyldihydrazone, R.A.Lal,
A.N. Shiva, M. Mukherjee, R.K. Thapa, K.K. Narang and Meena K. Singh,
Spectrochimica Acta, 50A, 1005 (1994).
Books :
1. Fourier Series and Transforms, R. K. Thapa.
2. A Text Book of Sound, R. K. Thapa, R.C. Tiwari and Shivraj Gurung.
3. Group Theory and its application to Solid State Physics, P.K.Patra and R.K.
Thapa (To be published soon).
E.
Popular Articles :
1. Positivism and Intuition in Science, R. K. Thapa, 20th Annual College
Magazine, Pachhunga University College, Aizawl, p. 21 (1985 – 86).
2. Comet Halley is Coming Again (in Nepali), R. K. Thapa, Sunakhari, p. 11,
1 – 15 April, 1986.
3. Observational Report of Halley’s Comet from Aizawl, R. K. Thapa,
Seminar on Halley’s Comet , Aizawl, 1986.
4. Niels Bohr (1885 – 1962), R. K. Thapa, 21st. Annual College Magazine,
Pachhunga University College, Aizawl, p. 21 (1986 – 87).
5. Photocunductivity of Cadmium Telluride thin films, R. K. Thapa, Bull.
IAPT, 4[2], 36 (1987).
6. Photoemission from Surfaces, R. K. Thapa and N. Kar, Bull. IAPT, 4[12], 3
354 (1987).
7. The Green House Effect, R. K. Thapa, 29th Annual College Magazine,
Pachhunga University College, Aizawl, p. 8 (1994 – 95).
8. Superconductivity and its Technical Applications, Nucleus, 1, p. 44 (1998).
9. Internet, R. K. Thapa, 30th Annual College Magazine, Pachhunga University
College, Aizawl, p. 108 (1999 – 2000).
10. A short Glimpse of Sir C.V. Raman (Submitted to PUC Magazine, 200304).
F.
Curriculum written for the B. Sc. (Hons.) Course
12
1. Determination of e/m of an electron by Magnetic Focussing Method.
2. Draw and study the characteristics of a Thyratron valve.
3. Determination of Mutual/Self Inductance of a coil by Carey-Foster’s method.