Publications

  1. “Anomalous magnetic entropy changes of bulk and powder Mn0.5Fe0.5-xNi1+xSi0.94Al0.06 intermetallic system” J. Casey, B. Akintunde, R. C. Das, C. Hanely, B. Reese, M. Khan, A. K. Pathak, J. Magn. Magn. Mater. 579, 170862 (2023).
  2. “The effect of Si doping on the magnetic and magneto-thermal properties of Al rich Al1.2-xSixFe2B2 intermetallic system” Md Sakhawat Hossain, Kyra Stillwell, S. Agbo, A. K. Pathak, M. Khan, J. Magn. Magn. Mater. 571, 170576 (2023).
  3. “The magnetic and magnetocaloric properties of Al-rich Al0.85+xSi0.15Fe2B2 compounds prepared by drop-casting” K. Stillwell, N. Kramer B. Birch, B. Reese, A. Pathak, and M. Khan, AIP Advances 13, 025132 (2023).
  4. “Magnetocaloric properties of Co-doped Mn0.5Fe0.5Ni1-xCoxSi0.94Al0.06 intermetallic alloys” S. Bhattacharjee, N. Kramer, C. Hanely, A. Pathak, M. Khan, AIP Advances 13, 025236 (2023).
  5. “Possible quantum phase transition in partially Cu-doped ZrNi2-xCuxGa Heusler alloys”, Mahmud Khan, Kyra Stillwell, Brandon Reese, Subhash Bhatt, and Arjun K. Pathak, AIP Advances 12, 035237 (2022); https://doi.org/10.1063/9.0000263
  6. “Near room temperature magnetocaloric properties in Ni deficient (Mn0.525Fe0.5)Ni0.975Si0.95Al0.05“,  Mahmud Khan,  Ranjit Chandra Das, Jacob Casey, Brandon L. Reese,  Babajide Akintunde, and  Arjun K. Pathak, AIP Advances 12, 035227 (2022); https://doi.org/10.1063/9.0000294
  7. “Magnetothermal properties of (x = 0, 0.05, 0.10, 0.15, 0.25 and 0.50) Ho1-xDyxAl2 compounds”, P. O. Ribeiro, B. P. Alho R. S. De Oliveira, E . P. Nóbrega, V. S. R. de Sousa,P. J. von Ranke, Anis Biswas, Mahmud Khan, Y. Mudryk, V.K. Pecharsky, J. Magn. Magn. Mater, 544, 168705 (2022).
  8. “Anisotropic properties of oblique angle deposited permalloy thin films” Z. Ali**, D. Basaula**, K.F. Eid, M. Khan, Thin Solid Films, 735, 138899 (2021).
  9. Decoupling of the phase transitions and its effect on the magnetocaloric properties of Heusler alloys” S. A. Agbo**, S. Bhatt**, M. Khan, Intermetallics, 138, 107322 (2021).    
  10. “Cluster Spin-glass like Dynamics in Mn-rich La2Ni0.5Mn1.5O6 Ferromagnetic Insulator” M. Nasir, S. Kumar, A. Bera, M. Khan, S. Yusuf, S. Sen, J. Phys.: Condens. Matter 33, 225803 (2021).
  11. “Exploring the role of Fe substitution on electronic, structural, and magnetic properties of La2NiMnO6 double perovskites” M. Nasir, M. Khan, E. G. Rini, S. A. Agbo**, S. Sen, Applied Physics A, 127, 208 (2021).
  12. “Unraveling the impact of nonmagnetic Sc substitution on the magnetic properties of La2NiMnO6 double perovskite,” M. Nasir, M.Khan, S. Bhatt**, N. Patra, D. Bhattacharya, S. Sen., Phys. Scripta, 96, 045805 (2021).
  13. “Evidence of cluster-glass and Griffiths-like phases in partially ordered La2FeMnO6 double perovskite,” M. Nasir, M. Khan, S. A. Agbo**, S. Bhatt**, S. Kumar, S. Sen, J. Phys. D Appl. Phys., 53, 375003 (2020). 
  14. “Influence of cation order and valence states on magnetic ordering in La2Ni1−xMn1+xO6,” M. Nasir, M.Khan, S. Bhatt,** A. K. Bera, M. Furquan, S. Kumar, Sk. M. Yusuf, N. Patra, D. Bhattacharya, S. N. Jha, S. W.  Liu, S. Biring, S. Sen., Phys. Status Solidi B, 256, 1900019 (2019).
  15. “Multicomponent Zn1-xFe0.8xNa0.2xO semiconductors: effect of dopant concentration and ionic radius on structural, opto-electronics, magnetic and sensing properties,” S. Sen, D. R. Basaula, G. Bajpai, I. Moirangthem, M. Khan, M. Ostawal, S. Biring, S. Bajpai, S. W. Liu, Materials Science in Semiconductor Processing, 98, 121 (2019).
  16. “Structural, opto-electronics and magnetic study of Fe/Si doped ZnO,” G..Bajpai, Sk. Riyajuddin, K. Ghosh, S. Bajpai, D. R. Basaula, S. Bhatt, M. Khan, S. We. Liu, S. Biring, S. Sen, J Mater Sci: Mater Electron (2019).https://doi.org/10.1007/s10854-019-01264-6
  17. “The effect of high temperature annealing on the antisite defects in ferromagnetic La2NiMnO6 double perovskite,” S. Sen, D. Bhattacharyya, M. Khan, M. Nasir, N. Patra, S. Biring, S. N. Jha, S. Bhatt, S. Kumar, J. Magn. Magn. Mater, 483, 114 (2019).
  18. “Controlling the charge transport mode in Permalloy films using oblique angle deposition,” Khalid Eid, Dharma Basaula, Jeffrey Brock, Mahmud Khan, Wei Zhou, Zeeshan Ali, J. Magn. Magn. Mater, 484, 430 (2019).
  19.  “Role of Li+ and Fe3+ in modified ZnO: Structural, vibrational, opto-electronic, mechanical and magnetic properties” Gaurav Bajpai, Igamcha Moirangthem, Shuvam Sarkar, Sudipt, RoyBarman, C. P. Vinod, Shubhra Bajpai, Sk. Riyajuddin, Kaushik Ghosh, Dharma R.Basaula, Mahmud Khan, Shun-Wei Liu,  Sajal Biring, Somaditya Sen, Ceramics International, 45, 7232 (2019).
  20. “Superconducting properties of In doped ZrNi2Ga1−xInx” Alex Reigle, Kelly Mason, Jessica Slattery, Scott Lee, Tyler Jamison, Adam Eggert, Vinoin Vincely, Darren Wong, Yuliang Guo, Jeffrey Brock, Mahmud Khan, Solid State Commun. 291, 28 (2019).
  21. “Role of Antisite Disorder, Rare-Earth Size, and Superexchange Angle on Band Gap, Curie Temperature, and Magnetization of R2NiMnO6 Double Perovskites” Mohd Nasir, Sunil Kumar, Nirmalendu Patra, Dibyendu Bhattacharya, Shambhu Nath Jha, Dharma R. Basaula, Subhash Bhatt∥, Mahmud Khan, Shun–Wei Liu, Sajal Biring, and Somaditya Sen, ACS Appl. Electron. Mater., 2019, 1, 141–153 (2019).
  22. “Effect of ionic size compensation by Ag+ incorporation in homogeneous Fe-substituted ZnO: studies on structural, mechanical, optical, and magnetic properties” G. Bajpai, T, Srivastava, N. Patra, I. Moirangthem, S. N. Jha, D. Bhattacharyya, S. Riyajuddin, K. Ghosh, D. R. Basaula, M. Khan, S.W. Liu, S. Biring, S. Sen, RSC ADVANCES 8, 24355 (2018).
  23. “Oblique angle deposition-induced anisotropy in Co2FeAl films” W. Zhou, J. Brock, M. Khan, K.F. Eid, J. Magn. Magn. Mater 456, 353-357 (2018).
  24. “Magnetocaloric effects and electrical resistivity of Ni2Mn0.55CoxCr0.45-xGa – A Heusler alloy system exhibiting a partially-decoupled first-order phase transition”, Jeffrey Brock, Mahmud Khan, AIP Advances 8, 056429 (2018).
  25. “The effect of TM doping on the superconducting properties of ZrNi2-xTMxGa (TM = Cu, Co) Heusler compounds”, Dharma Raj Basaula, Jeffrey Brock, Mahmud Khan, AIP Advances 8, 055704 (2018).
  26. “Cooling field dependent exchange bias in Mn2Ni1.4Ga0.6: A reentrant spin glass system with short range ferromagnetic ordering”, Mahmud Khan, Abdullah Albagami, J. All. Comp. 727, 100-106 (2017).
  27. “Observation of unusual ferromagnetic cluster glass behavior in CrAlGe”, Mahmud Khan,Jeffrey Brock,A. Provino,C. Belfortini,P. Manfrinetti, Phys. Rev. Materials 1, 034402 (2017).
  28. “Enhanced magnetic refrigeration capacities in minutely Co doped Mn5-xCoxGe3 compounds,” Patrick Carroll, Amber Williams, Miranda Caudle, Lindsay Darkins, Adam Eaton, Barrett Fitzgerald, Brian Knauf, Matthew Rurka, Eli Shlonsky, Paul Wilson, Jeffrey Brock, Mahmud Khan, Intermetallics 89, 10-15 (2017).
  29. “The effect of Fe doping on the magnetic and magnetocaloric properties of Mn5-xFexGe3,” Jeffrey Brock, Nathanael Bell-Pactat, Hong Cai, Timothy Dennison, Tucker Fox, Brandon Free, Rami Mahyub, Austin Nar, Michael Saaranen, Tiago Schaeffer, and Mahmud Khan, Adv. Mater. Sci. Eng. 2017, 9854184(2017).
  30. “Superconducting properties of Zr1+xNi2-xGa and Zr1-xNi2+xGa Heusler compounds,”Saad Alzahrani and Mahmud Khan, AIP Advances 7, 055706 (2017).
  31. “Unusual nature of the martensite and ferromagnetic transitions in Ni2Mn0.4-xFexCr0.6Ga Heusler alloys,” Jeffrey Brockand Mahmud Khan, AIP Advances 7, 056432 (2017).
  32. “Controlling the microstructure and associated magnetic properties of Ni0.2Mn3.2Ga0.6 melt spun ribbons by annealing,” Mahmud Khan, Ohud Alshammari, Balamurugan Balasubramanian, Bhaskar Das, David J. Sellmyer, Ahmad Us Saleheen, Shane Stadler, AIP Advances 7, 056230 (2017).
  33. “Structural distortion, ferroelectricity and ferromagnetism in Pb(Ti1-xFex)O3” Arun K. Yadav,Parasmani Rajput, Dipankar Das,Ohud Alshammari,Mahmud Khan,Gautham Kumar,Parasharam M., Shirage, Somaditya Sen, J. All. Comp. 701, 619-625 (2017).
  34. “Anisotropy induced anomalies in Dy1-xTbxAl2” M. Khan, A. K. Pathak, Y. Mudryk, K. A. Gschneidner, Jr., and V. K. Pecharsky, J. Mater. Chem. C, 5, 896-901 (2017).
  35. “Large refrigeration capacities near room temperature in Ni2Mn1−xCrxIn” Jeffrey Brock, Mahmud Khan, J. Magn. Magn. Mater. 425, 1-5 (2017).  
  36. “Anomalous transport properties of Ni2Mn1-xCrxGa Heusler alloys at the martensite-austenite phase transition” Mahmud Khan, Jeffrey Brock, and Ian Sugerman, Phys. Rev. B, 93, 054419 (2016).
  37. “High performance Nd-Fe-B permanent magnets without critical elements” Arjun K. Pathak,K. A. Gschneidner, Jr.,M. Khan,R. W. McCallum,and V. K. Pecharsky, J. All. Comp., 668, 80-86 (2016).
  38. “Magnetism and associated exchange bias in Ni2−xCoxMn1.4Ga0.6” Ramakanta Chapai and Mahmud Khan, J. Magn. Magn. Mater. 403, 97-102 (2016).
  39. “Magnetic properties of bulk, and rapidly solidified nanostructured (Nd1-xCex)2Fe14-yCoyB ribbons” Arjun K. Pathak,M. Khan,K. A. Gschneidner, Jr., R. W. McCallum, L. Zhou, K. Sun,M. J. Kramer, and V. K. Pecharsky, Acta Materialia, 103, 211-216 (2016).
  40. “Exchange bias phenomena in Ni2−xMn1.4+xGa0.6” Mahmud Khan and Ramakanta Chapai, J. All. Comp., 647, 935 (2015).  
  41. “Cerium: An Unlikely Replacement of Dysprosium in High Performance Nd-Fe-B Permanent Magnets” Arjun K. Pathak, Mahmud Khan, Karl A. Gschneidner Jr., Ralph W. McCallum,Lin Zhou, Kewei Sun, Kevin W. Dennis, Chen Zhou, Frederick E. Pinkerton, Matthew J. Kramer and Vitalij K. Pecharsky, Adv. Mater., 27, 2663 (2015).  
  42. “Asymmetric switching like behavior in the magnetoresistance at low fields in bulk metamagnetic Heusler alloys” Tapas Samanta, Ahmad Us Saleheen, Daniel L. Lepkowski, Alok Shankar, Igor Dubenko, Abdiel Quetz, Mahmud Khan, Naushad Ali, and Shane Stadler, Phys. Rev. B, 90, 064412 (2014).  
  43. “Influence of A-site doping and strain on the relationship between the anisotropic magneto-resistance and charge localization in films of La0.7-xPrxCa0.3MnO3 manganites” H. S. Alagoz, M. Khan, M. M. Saber, S. T. Mahmud, K. H. Chow, and J. Jung, Appl. Phys. Lett. 102, 242406 (2013).
  44. “Enhancement of Ferromagnetism by Cr doping in Ni-Mn-Cr-Sb Heusler alloys” Mahmud Khan, Igor Dubenko, Shane Stadler, J. Jung, S. S. Stoyko, Arthur Mar, Abdiel Quetz, Tapas Samanta, Naushad Ali, and K. H. Chow, Appl. Phys. Lett. 102, 112402 (2013).
  45. “Magnetic properties of Ho1-xErxAl2 alloys” Mahmud Khan, Durga Paudyal, K.A. Gschneidner, Jr. and V.K. Pecharsky, J. Appl. Phys., 113, 17E106 (2013).  
  46. “Site-preference and valency for rare-earth sites in (R-Ce)2Fe14B magnets” Aftab Alam, Mahmud Khan, W. A. McCallum, and D. D. Johnson, Appl. Phys. Lett., 102, 042402 (2013).
  47. “Disorder enhanced intrinsic electroresistance in Sm0.60Sr0.40Mn1-xFexO3” S. T. Mahmud, M. M. Saber, H. S. Alagoz, K. Biggart, R. Bouveyron, Mahmud Khan, J. Jung, and K. H. Chow, Appl. Phys. Lett., 100, 2320406 (2012).
  48. “The role of Ni-Mn hybridization on the martensitic phase transitions in Mn-rich Heusler alloys”, Mahmud Khan, J. Jung, S. S. Stoyko, Arthur Mar, Abdiel Quetz, Tapas Samanta, Igor Dubenko, Naushad Ali, Shane Stadler, and K.H. Chow, Appl. Phys. Lett. 100, 172403 (2012).
  49. “The effect of Er doping on the spin reorientation transition in Ho1-xErxAl2”, Mahmud Khan, K.A. Gschneidner, Jr., and V. K. Pecharsky, J. Magn. Magn. Mater., 324, 1381 (2012). 
  50. “Magnetism of Ho1-xTbxAl2 alloys: Critical dependence of a first order transition on Tb”, Mahmud Khan, Ya. Mudryk,   K.A. Gschneidner, Jr., and V. K. Pecharsky, Phys. Rev. B., 84, 214437 (2011).
  51. “Spin reorientation transitions in Ho1-xDyxAl2 alloys”, Mahmud Khan, K.A. Gschneidner, Jr., and V. K. Pecharsky, J. Appl. Phys., 110, 103912 (2011).
  52. “Magnetic and thermal properties of Er75Dy25 single crystal”, Mahmud Khan, D. L. Schlagel, and T. A. Lograsso, K.A. Gschneidner, Jr., and V. K. Pecharsky, Phys. Rev. B, 84, 134424 (2011).  
  53. “Use of Stevens coefficients for the prediction of magnetic transitions”, Mahmud Khan, D. Paudyal, Ya. Mudryk,   K.A. Gschneidner, Jr., and V. K. Pecharsky, Phys. Rev. B, 83, 134437 (2011).  
  54. “Competing A-site and B-site doping effects on magneto-transport of RE0.55Sr0.45Mn1-xRuxO3 manganites in the vicinity of the SGI and FMM border” H.S. Alagoz, I. Zivkovic, S.T. Mahmud, M.M. Saber, G. Perrin, J. Shandro, M. Khan, Y. Zhang, M. Egilmez, J. Jung, and K. H. Chow, Physica Status Solidi B: Basic Solid State Physics, 250, 2158-2162 (2013).
  55. “Experimental and theoretical study of the magnetic and structural properties of Er0.75Tb0.25Al2”, Mahmud Khan, Ya. Mudryk, D. Paudyal,  K.A. Gschneidner, Jr., and V. K. Pecharsky, Phys. Rev. B, 82, 064421 (2010).
  56. “Magnetocaloric Effects in Er1-xTbxAl2 Alloys”, Mahmud Khan, K.A. Gschneidner, Jr., and V. K. Pecharsky, J. Appl. Phys. 107, 09A904 (2010).
  57. “Multiple Magnetic Ordering Phenomena Evaluated by Heat Capacity Measurements in Er1-xTbxAl2 Laves-phase Alloys”, Mahmud Khan, K.A. Gschneidner, Jr., and V. K. Pecharsky, Phys. Rev. B, 80, 224408 (2009).
  58. “Delocalization and hybridization enhance the magnetocaloric effect in Cu-doped Ni2MnGa,” S. Roy, E. Blackburn, S. M. Valvidares, M. R. Fitzsimmons, S. C. Vogel, M. Khan, I. Dubenko, S. Stadler, N. Ali, S. K. Sinha, and J. B. Kortright, Phys. Rev. B, 79, 235127 (2009).
  59. “Magnetocaloric effects in Ni-Mn-X based Heusler alloys with X = Ga, Sb, In,” Igor Dubenko, Mahmud Khan, Arjun Kumar, Pathak, Bhoj Raj Gautam, Shane Stadler, and Naushad Ali, J. Magn. Magn. Mater. 321, 754-757 (2009).
  60. “Exchange bias in bulk Ni-Mn-In based Heusler alloys,” Arjun K. Pathak, Mahmud Khan, Bhoj R. Gautam, Igor Dubenko, Shane Stadler, and Naushad Ali, J. Magn. Magn. Mater. 321, 963-965 (2009).
  61. “Intermartensitic transformation in Fe doped Ni-Mn-Cu-Ga Heusler alloys,” Mahmud Khan, Gautam Bhoj, Arjun Pathak, Igor Doubenko, Shane Stadler and Naushad Ali, J. Phys.: Condens. Matter 20, 505206 (2008).
  62. “Magnetostructural Phase Transitions in Ni50Mn25+xSb25-x Heusler alloys,” Mahmud Khan, Igor Dubenko, Shane Stadler and Naushad Ali, J. Phys.: Condens. Matter, 20, 235204 (2008).
  63. “Phase transitions and magnetoresistence in Ni50Mn50-xInx Heusler alloys,” Arjun Kumar Pathak, Gautam Bhoj Mahmud Khan, Igor Dubenko, Shane Stadler, and Naushad Ali, J. Appl. Phys. 103, 07F315 (2008).
  64. “Magnetoresistance and field-induced structural transitions in Ni50Mn50-xSnx Heusler alloys,” Mahmud Khan, Arjun K. Pathak, Moti R. Paudel, Igor Dubenko, Shane Stadler, and Naushad Ali, J. Magn. Magn. Mater. 320, L21-L25 (2008).
  65. “Exchange Bias Behavior in Mn rich Ni-Mn-Sn Heusler alloys,” Mahmud Khan, Igor Dubenko, Shane Stadler and Naushad Ali, J. Appl. Phys.102, 113914 (2007).
  66. “Exchange Bias Behavior in Ni-Mn-Sb Heusler Alloys,” Mahmud Khan, Igor Dubenko, Shane Stadler and Naushad Ali, Appl. Phys. Lett. 91, 072510 (2007).
  67. “Large magnetic entropy changes in Ni50Mn50-xInx Heusler alloys,” Arjun Kumar Pathak, Mahmud Khan, Igor Dubenko, Shane Stadler, and Naushad Ali, Appl. Phys. Lett. 90, 262504 (2007).
  68. “Phase Transitions and Corresponding Magnetic Entropy Changes in Ni2Mn0.75Cu0.25-xCoxGa Heusler Alloys,” Mahmud Khan, Igor Dubenko, Shane Stadler and Naushad Ali, J. Appl. Phys. 102, 023901 (2007)
  69. “Magnetic behavior of manganese -doped ZnSe quantum dots,” Shailaja Mahamuni, Amit Lad, Cherukupalli Rajesh, Mahmud Khan, Naushad Ali, I. Gopalakrishnan and S. Kulshreshtha, J. Appl. Phys. 101, 103906 (2007).
  70. “Magnetocaloric properties of Fe and Ge doped Ni2Mn1-xCuxGa,” Mahmud khan, Shane Stadler, and Naushad Ali, J. Appl. Phys. 101, 09C515 (2007).
  71. “Inverse magnetocaloric effect in ferromagnetic Ni50Mn37+xSb13-x Heusler alloys,” Mahmud Khan, Naushad Ali, Shane Stadler, J. Appl. Phys. 101, 053919 (2007).
  72. “The overlap of first and second order phase transitions and related magnetic entropy changes in Ni2+xMn1-xGa Heusler alloys,” Mahmud Khan, Shane Stadler, Jonathan Craig, Joseph Mitchell and Naushad Ali, IEEE Trans. Mag. 42, 3108 (2006).
  73. “Exchange Coupled FeNi-X (X= CuO, NiO, and CoO) Nanocomposites Prepared via Ball Milling,” S. R. Mishra, I. Dubenko, M. Khan, T. Young, H. Ganegoda, N. Ali, and G. Marasinghe, IEEE Trans. Mag. 42, 2808 (2006).
  74. “Magnetocaloric properties of Ni2Mn1-xCuxGa,” Shane Stadler, Mahmud Khan, Joseph Mitchell, Angelo Gomes, Igot Dubenko , armando takeuchi , Alberto Guimaraes , and Naushad Ali, Appl. Phys. Lett. 88, 192511 (2006).
  75. “Intermartensitic Transformations in Ni2Mn1-xCoxGa Heusler Alloys,” M. Khan, S. Stadler, and N. Ali, J. Appl. Phys. 99, 08M705 (2006).
  76. “Magnetocaloric properties of the Ni2Mn1–x(Cu,Co)xGa Heusler alloys” M. Gomes, M. Khan, S. Stadler, N. Ali, I. Dubenko, A. Takeuchi, A. P. Guimaraes, Acccepted for publication in J. Appl. Phys. 99, 08Q106 (2006).
  77. “Anomalous Magnetic Properties of Mechanically Milled Cobalt Oxide Nanoparticles,” S. R. Mishra, I. Dubenko, J. Losby, K. Ghosh, M. Khan, and N. Ali, Journal of Nanoscience and Nanotechnology, 5, 2076–2081 (2005).
  78. “The structural and magnetic properties of Ni2Mn1–xMxGa (M=Co, Cu),” Mahmud Khan, Igor Dubenko, Shane Stadler, and Naushad Ali, J. Appl. Phys. 97, 10M304 (2005). 
  79. “Element-specific magnetic properties of Co2MnSi thin films,” S. Stadler, D. H. Minott, D. Harley, J. P. Craig, M. Khan, I. I. Dubenko, and N. Ali, K. Story, J. Dvorak, Y. U. Idzerda, D. A. Arena and V. G. Harris, J. Appl. Phys. 97, 10C302 (2005). 
  80. “Magnetic properties of perovskite-derived air-synthesized RBa Co2 O5+ delta (R=La-Ho) compounds,” S. Roy, I. S. Dubenko, M. Khan, E. M. Condon, J. Craig, and N. Ali, Phys. Rev. B, 71, 024419 (2005).
  81. “Magnetic and structural phase transitions in Heusler type alloys Ni2MnGa1-xInx,” Mahmud Khan, Igor Dubenko, Shane Stadler and Naushad Ali, J. Phys.: Condens. Matter, 16, 5259-5266 (2004).
  82. “Observation of low, intermediate, and high spin states in GdBaCo2O5.45,” S. Roy, M. Khan, Y. Q. Guo, J. Craig, and N. Ali, Phys. Rev. B, 65, 064437 (2002).