Faculty Details

Areas of Interest

• Magnetism and magnetic materials

Current Research

Students

Current PhD Students

Recent Publications

• Magnetic and Electrical properties of Ho0.85Tb0.15Mn2 and Ho0.85Tb0.15Fe2 . J. Arout Chelvane, G. Markandeyulu, N. Harish Kumar, R. Nirmala and S. K. Malik . Physica B. 373. 107-110. 2006.
• Effect of Al and Si substitution on the magnetic properties of SmTbFe17 . J. C. Ingersoll, G. Markandeyulu, V. S. Murty and K. V. S. Rama Rao. J. Appl. Phys.. 98. 093902 – 6. 2005.
• Magnetoresistance studies of Ho0.85Tb0.15Mn2-xFex (x=0, 0.25, 0.5, 1, and 2) . J. Arout Chelvane, G. Markandeyulu, N. Harish Kumar, R. Nirmala and S. K. Malik . Phys. Rev. B. 72. 092406/1-092406/4. 2005.
• Magnetic and electrical properties of Dy0.73Tb0.27Fe2-xMnx [x=0, 0.25, 0.5 and 1] . J. Arout Chelvane and G. Markandeyulu . J. Magn. Magn. Mater.. 294. 298-304. 2005.
• Magnetic properties of YGdFe17-x(Ga,Al)x (x = 0 - 8) . R. Srilatha, V. S. Murty and G. Markandeyulu . J. Appl. Phys.. 97. 10M503. 2005.
• Magnetic properties of SmTbFe17-xGax [0 <= x<= 8] . J. C. Ingersoll, G. Markandeyulu, V. S. Murty and K. V. S. Rama Rao. J. Appl. Phys.. 97. 10H109. 2005.
• Structural and Magnetic Properties of (Sm,Pr)3(Fe1-xAlx)27.5Ti1.5 [x = 0.1, 0.2, 0.3] . S. Venkatesh, G. Markandeyulu and K. V. S. Rama Rao . J. Appl. Phys.. 97. 10H105. 2005.
• Structural, electrical and magnetic properties of Ho0.85Tb0.15Fe2Bx . J. Arout Chelvane and G. Markandeyulu . J. Magn. Magn. Mater.. 281. 1-5. 2004.
• Magnetic and electrical properties of Ho0.85Tb0.15Fe2-xMnx [0, 0.5, 1.0, 1.5] . J. Arout Chelvane, S. Kasiviswanathan, and G. Markandeyulu . J. Magn. Magn. Mater.. 277. 175 – 180. 2004.
• Effect of Co, Dy and Ga on the magnetic properties and the microstructure of powder metallurgically processed Nd-Fe-B magnets. . S. Pandian, V. Chandrasekaran, G. Markandeyulu, K. J. L. Iyer and K. V. S. Rama Rao . J. Alloys and Compounds.. 364. 295 – 303. 2004.
• Magnetic properties of ball-milled TbFe2 and TbFe2-B . J. Arout Chelvane, S. Kasiviswanathan, M. V. Rao and G. Markandeyulu. Bull. Mater. Sci.. 27. 169 – 173. 2004.
• Structural and magnetic properties of ErPrFe17-xMx [M = Ga, Si; x = 0 – 3.5] . J. C. Ingersoll, G. Markandeyulu, V. S. Murthy and K. V. S. Rama Rao. J. Alloys and Compounds. 354. 29-34. 2004.
• Structural and magnetic properties of (Sm1-xPrx)2Fe27.5Ti1.5 [x = 0.2, 0.5, 0.8, 1.0] and their nitrides . 24. V. R. Shah, G. Markandeyulu, K. V. S. Rama Rao, M. Q. Huang, K. Sirisha and M. E. McHenry. J. Alloys and Compounds. 352. 6-15. 2003.
• Effect of Al, Cu, Ga and Nb additions on the magnetic and microstructural features of sintered NdFeB . 25. S. Pandian, V. Chandrasekharan, G. Markandeyulu, K. J. L. Iyer and K. V. S. Rama Rao. J. Appl. Phys.. 92. 6082 – 6096. 2002.
• Microstructure and magnetostriction of Tb0.3Dy0.7Fe1.95 prepared under different solidification conditions by zoning and modified Bridgman techniques . Mithun Palit, S. Pandian, R. Balamuralikrishnan, A. K. Singh, Niranjan Das, V.Chandrasekharan and G. Markandeyulu. J. Appl. Phys.. [Accepted]. 0.
• Microstructure and magnetostriction of Tb0.3Dy0.7Fe1.95 prepared under different solidification conditions by zoning and modified Bridgman techniques . Mithun Palit, S. Pandian, R. Balamuralikrishnan, A. K. Singh, Niranjan Das, V.Chandrasekharan and G. Markandeyulu . J. Appl. Phys. . [Accepted]. 0.
• Effect of Mn on the Magnetic and Electrical properties of Ho0.85Tb0.15Fe2 . J. Arout Chelvane, G. Markandeyulu, N. Harish Kumar, R. Nirmala and S. K. Malik . IEEE Trans. Mag. . [Accepted]. 0.
• Formation of metastable TbFe5 phase by mechanical alloying . S Narayana Jammalamadaka, G. Markandeyulu and Krishnan Balasubramaniam . IEEE Trans. Mag.. [Accepted]. 0.
• Structural and Magnetic Properties of Gd3(Fe1-xAlx)27.5Ti1.5 (x = 0.1 - 0.4) . Ravi, S. Venkatesh, G. Markandeyulu and K. Prasad Rao. IEEE Trans. Mag.. [Accepted]. 0.
• Effect of Co on the magnetic properties of YGdFe17-xCoxGa . R. Srilatha, Ravi, G. Markandeyulu and V. S. Murty. IEEE Trans. Mag. . [Accepted]. 0.
• Magnetic Properties of ( Sm0.4Pr0.6 )3 (Fe1-xCox )27.5Ti1.5 [x = 0.1, 0.2, 0.3, 0.4] . S. Venkatesh, Ravi and G. Markandeyulu . IEEE Trans. Mag. . [Accepted]. 0.
• Effect of Annealing on Magnetoimpedance of Co68Fe4Zr10Cu2B16 ribbons . V. Satya Narayana Murthy and G. Markandeyulu . J. Magn. Magn. Mater.. [in press]. 0.
• Magnetic properties of Y1-xGdxFe2By [x = 0, 0.25, 0.5, 0.75, 1; y = 0, 0.1, 0.15, 0.2] . J. Arout Chelvane and G. Markandeyulu . J. Alloys and Compounds . [in press]. 0.
• Effect of length and annealing conditions on magneto-impedance of Co68Fe5Si12B15 . V. Satya Narayana Murthy, S. Venkatesh and G. Markandeyulu . J. Appl. Phys. . [in press]. 0.
• Effect of Al on the magnetic properties of Pr3(Fe1-xAlx)27.5Ti1.5 [x = 0.1, 0.2, 0.3] . S. Venkatesh, Ravi, G. Markandeyulu and K. V. S. Rama Rao. J. Appl. Phys. . [in press]. 0.
• Structural and magnetic properties of Nd3(Fe1-xAlx)27.5Ti1.5 (x = 0.1-0.4) . Ravi, S. Venkatesh, G. Markandeyulu and K. Prasad Rao . J. Appl. Phys.. [in press]. 0.

Teaching

• 2017 :  (Jan - May) - PH1020 Physics II; (Jul - Nov) - PH2170 Basic Electronics / PH5060 Physics Lab I (PG)
• 2018 :  (Jan - May) - EP3220 Solid State Physics; (Jul - Nov) - PH2170 Basic Electronics / PH5060 Physics Lab I (PG)
• 2019 :  (Jan - May) - PH5120 Physics Lab II (PG) / PH5462 - Magnetism in Solids; (Jul - Nov) - PH2170 Basic Electronics / PH5060 Physics Lab I (PG)
• 2020 :  (Jan-May) - PH5120 Physics Lab II (PG) / PH5462 Magnetism in Solids; (Jul - Nov) - PH5060 Physics Lab I (PG) / PH5690 Applied Magnetics
• 2021 :  (Jan-May) - PH5462 Magnetism in Solids ; (Jul - Nov) - PH5060 Physics Lab I (PG) / PH5690 Applied Magnetics
• 2022 :  (Jan-May) - PH5120 Physics Lab II (PG) / PH7090 Foundations in Experiemntal Physics ; (Jul - Nov) - PHPCL0 Preparatory Course - Physics Lab / PHPCT0 Preparatory Course - Physics Theory
• 2023 :  (Jan-May) - PHPCL0 Preparatory Course - Physics Lab / PHPCT0 Preparatory Course - Physics Theory