102
P. K. Das et al.
Acknowledgements The senior author (KPG) is grateful to Prof. W. Schommers, Director of
Theoretical Physics Projects, University of Texas at Arlington, USA, and Karlsruher Institute fur
Technologie (KIT), Germany, for constant inspiration for this investigation.
References
1. K.P. Ghatak, B. Mitra, PhysicaScripta 46, 182 (1992)
2. B. Nag, K.P. Ghatak, J. Phys. Chem. Solids 58, 427 (1997)
3. K.P. Ghatak, B. Nag, Physica Status Solidi. (b) 205, 519 (1998)
4. K.P. Ghatak, J.Y. Siddiqui, B. Nag, Phys. Lett. A 282, 428 (2001)
5. K.P. Ghatak, S.N. Biswas, MRS Proc. 308, 445 (1993)
6. K.P. Ghatak, J.P. Banerjee, P.K. Chakrabarty, B. Nag, J. Wave Mater. Interaction 11, 166–174
(1996)
7. L.J. Singh, S. Choudhary, A. Mallik, K.P. Ghatak, J. Comput. Theor. Nanosci. 2, 287 (2005)
8. K.P. Ghatak, S.K. Biswas, D. De, S. Ghosal, S. Chatterjee, Phys. B 353, 127 (2004)
9. K.P. Ghatak, Int. J. Electronics 71, 239 (1991)
10. K.P. Ghatak, Acta Physica Hungarica 68, 253 (1990)
11. B. Mitra, K.P. Ghatak, Physica Status Solidi (b) 154, K35 (1989)
12. K.P. Ghatak, P.K. Bose, J. Wave Mater. Interaction 12, 53 (1997)
13. S.M. Adhikari, K.P. Ghatak, J. Nanoeng. Nanomanuf. 3, 48 (2013)
14. B. Chatterjee, S. Chakrabarti, S.K. Sen, M. Mitra, K.P. Ghatak, Quantum Matter 5, 85 (2016)
15. K.P. Ghatak, S. Bhattacharya, S.S. Roy, L.J. Singh, Nonlinear Optics 32, 307 (2010)
16. D. Baruah, S. Choudhury, K.M. Singh, K.P. Ghatak, J. Phys: Conf. Ser. 61, 80 (2007)
17. K.P. Ghatak, S.N. Biswas, Acta Physica Slovaca 43, 425 (1993)
18. K.P. Ghatak, M. Mondal, Physica Status Solidi (b) 170, 57 (1992)
19. K.P. Ghatak, D.K. Basu, B. Nag, J. Phys. Chem. Solids 58, 133 (1997)
20. K.P. Ghatak, Physica Status Solidi (b) 154, K29 (1989)
21. K.P. Ghatak, J.P. Banerjee, B. Goswami, B. Nag, Nonlinear Optics-Reading 16, 241 (1996)
22. B. Nag, K.P. Ghatak, Nonlinear Optics-Reading 19, 1 (1998)
23. M. Mitra, M. Chakraborty, S. Debbarma, S. Chakraborty, S.K. Sen, Quantum Matter 5, 58
(2016)
24. K.P. Ghatak, B. Nag, Nanostructured Mater 10, 923 (1998)
25. B. Nag, K.P. Ghatak, Physica Scripta 54, 657 (1996)
26. K.P. Ghatak, S. Dutta, D.K. Basu, B. Nag, Il NuovoCimento D 20, 227 (1998)
27. S. Bhattacharya, S. Chowdhury, S. Ghoshal, S.K. Biswas, D. De, K.P. Ghatak, J. Comput.
Theor. Nanosci. 3, 423 (2006); K.P. Ghatak, S. Bhattacharya, S. Pahari, S.N. Mitra, P.K. Bose,
D. De, J. Phys. Chem. Solids 70, 122 (2009); K.P. Ghatak, S. Karmakar, D. De, S. Pahari, S.K.
Charaborty, S.K. Biswas, J. Comput. Theor. Nanosci. 3, 153 (2006); K.P. Ghatak, J.P. Banerjee,
B. Nag, J. Appl. Phys. 83, 1420 (1998); K.P. Ghatak, J.P. Banerjee, D. Bhattacharyya, B. Nag,
Nanotechnology 7, 110 (1996); K. P. Ghatak, B. Nag, G Mazumder, MRS Proc. 379, 109 (1995)
28. R.W. Keyes, IBM J. Res. Dev. 5, 266 (1961)
29. A.K. Sreedhar, S.C. Gupta, Phys. Rev. 5B, 1360 (1972)
30. K.P. Ghatak, Quantum Effects, Heavy Doping and the Effective Mass, Series on the Foundations
of Natural Science and Technology, Vol. 17, (World Scientific, Singapore, 2017), pp. 1-684
31. E.A. Aruhanov, A.F. Knyazev, A.N. Nateprov, S.I. Radautsan, Sovt. Phys. Semicon. 15, 828
(1981)
32. N. Paitya, K. P. Ghatak, J. Adv. Phys. 1, 161 (2012); S. Debbarma, A. Bhattacharjee, S. Bhattacharyya, A. Mondal, K. P. Ghatak, J. Adv. Phys. 1, 84 (2012); S. Bhattacharya, D. De, S.
M. Adhikari, K. P. Ghatak, Superlattices and Microstructures 51, 203 (2012); D. De, S. Bhattacharya, S. M. Adhikari, A. Kumar, P. K. Bose, K. P. Ghatak, Beilstein. J. Nanotechnol. 2,
339 (2011)
P. K. Das et al.
Acknowledgements The senior author (KPG) is grateful to Prof. W. Schommers, Director of
Theoretical Physics Projects, University of Texas at Arlington, USA, and Karlsruher Institute fur
Technologie (KIT), Germany, for constant inspiration for this investigation.
References
1. K.P. Ghatak, B. Mitra, PhysicaScripta 46, 182 (1992)
2. B. Nag, K.P. Ghatak, J. Phys. Chem. Solids 58, 427 (1997)
3. K.P. Ghatak, B. Nag, Physica Status Solidi. (b) 205, 519 (1998)
4. K.P. Ghatak, J.Y. Siddiqui, B. Nag, Phys. Lett. A 282, 428 (2001)
5. K.P. Ghatak, S.N. Biswas, MRS Proc. 308, 445 (1993)
6. K.P. Ghatak, J.P. Banerjee, P.K. Chakrabarty, B. Nag, J. Wave Mater. Interaction 11, 166–174
(1996)
7. L.J. Singh, S. Choudhary, A. Mallik, K.P. Ghatak, J. Comput. Theor. Nanosci. 2, 287 (2005)
8. K.P. Ghatak, S.K. Biswas, D. De, S. Ghosal, S. Chatterjee, Phys. B 353, 127 (2004)
9. K.P. Ghatak, Int. J. Electronics 71, 239 (1991)
10. K.P. Ghatak, Acta Physica Hungarica 68, 253 (1990)
11. B. Mitra, K.P. Ghatak, Physica Status Solidi (b) 154, K35 (1989)
12. K.P. Ghatak, P.K. Bose, J. Wave Mater. Interaction 12, 53 (1997)
13. S.M. Adhikari, K.P. Ghatak, J. Nanoeng. Nanomanuf. 3, 48 (2013)
14. B. Chatterjee, S. Chakrabarti, S.K. Sen, M. Mitra, K.P. Ghatak, Quantum Matter 5, 85 (2016)
15. K.P. Ghatak, S. Bhattacharya, S.S. Roy, L.J. Singh, Nonlinear Optics 32, 307 (2010)
16. D. Baruah, S. Choudhury, K.M. Singh, K.P. Ghatak, J. Phys: Conf. Ser. 61, 80 (2007)
17. K.P. Ghatak, S.N. Biswas, Acta Physica Slovaca 43, 425 (1993)
18. K.P. Ghatak, M. Mondal, Physica Status Solidi (b) 170, 57 (1992)
19. K.P. Ghatak, D.K. Basu, B. Nag, J. Phys. Chem. Solids 58, 133 (1997)
20. K.P. Ghatak, Physica Status Solidi (b) 154, K29 (1989)
21. K.P. Ghatak, J.P. Banerjee, B. Goswami, B. Nag, Nonlinear Optics-Reading 16, 241 (1996)
22. B. Nag, K.P. Ghatak, Nonlinear Optics-Reading 19, 1 (1998)
23. M. Mitra, M. Chakraborty, S. Debbarma, S. Chakraborty, S.K. Sen, Quantum Matter 5, 58
(2016)
24. K.P. Ghatak, B. Nag, Nanostructured Mater 10, 923 (1998)
25. B. Nag, K.P. Ghatak, Physica Scripta 54, 657 (1996)
26. K.P. Ghatak, S. Dutta, D.K. Basu, B. Nag, Il NuovoCimento D 20, 227 (1998)
27. S. Bhattacharya, S. Chowdhury, S. Ghoshal, S.K. Biswas, D. De, K.P. Ghatak, J. Comput.
Theor. Nanosci. 3, 423 (2006); K.P. Ghatak, S. Bhattacharya, S. Pahari, S.N. Mitra, P.K. Bose,
D. De, J. Phys. Chem. Solids 70, 122 (2009); K.P. Ghatak, S. Karmakar, D. De, S. Pahari, S.K.
Charaborty, S.K. Biswas, J. Comput. Theor. Nanosci. 3, 153 (2006); K.P. Ghatak, J.P. Banerjee,
B. Nag, J. Appl. Phys. 83, 1420 (1998); K.P. Ghatak, J.P. Banerjee, D. Bhattacharyya, B. Nag,
Nanotechnology 7, 110 (1996); K. P. Ghatak, B. Nag, G Mazumder, MRS Proc. 379, 109 (1995)
28. R.W. Keyes, IBM J. Res. Dev. 5, 266 (1961)
29. A.K. Sreedhar, S.C. Gupta, Phys. Rev. 5B, 1360 (1972)
30. K.P. Ghatak, Quantum Effects, Heavy Doping and the Effective Mass, Series on the Foundations
of Natural Science and Technology, Vol. 17, (World Scientific, Singapore, 2017), pp. 1-684
31. E.A. Aruhanov, A.F. Knyazev, A.N. Nateprov, S.I. Radautsan, Sovt. Phys. Semicon. 15, 828
(1981)
32. N. Paitya, K. P. Ghatak, J. Adv. Phys. 1, 161 (2012); S. Debbarma, A. Bhattacharjee, S. Bhattacharyya, A. Mondal, K. P. Ghatak, J. Adv. Phys. 1, 84 (2012); S. Bhattacharya, D. De, S.
M. Adhikari, K. P. Ghatak, Superlattices and Microstructures 51, 203 (2012); D. De, S. Bhattacharya, S. M. Adhikari, A. Kumar, P. K. Bose, K. P. Ghatak, Beilstein. J. Nanotechnol. 2,
339 (2011)