List of Publications

70) Organic photovoltaic cells with nano-fabric heterojunction structure

June Hyoung Park, Austin R.Carter, Lynetta M. Mier, Chi-Yueh Kao, Sharlene A.M. Lewis, N.P. Raju, Yong Min, A.J. Epstein

Appl. Phys. Letts., Vol. 100, 73301 (2012)

 

69) Magnetocurrent of Charge-Polarizable C60-Diphenylaminofluorene Monoadduct-Derived Magnetic Nanocomposites

Liang Yan, Min Wang, N.P. Raju, Arthur Epstein, Loon-Seng Tan, Augustine Urbas, Long Y. Chiang, and Bin Hu

J. Am. Chem. Soc., Vol. 134, 3549 (2012)

 

68) A New Tetragonal Crystalline Polymorph of Lithium Octa-n-Butoxy-Naphthalocyanine (LiNc-BuO) Radical: Structural, Magnetic and Oxygen-Sensing Properties

R.P. Pandian, N.P. Raju, J.C. Gallucci, P.M. Woodward, A.J. Epstein, and P. Kuppusamy

Chemistry of Materials, Vol. 22, 6254 (2010)

 

67) Optical control of magnetization in a room-temperature magnet: V-Cr Prussian blue analog 
K.D. Bozdag, J.W. Yoo, N.P. Raju, A.C. McConnell, J.S. Miller, and A.J. Epstein

Phys. Rev. B, Vol. 82, 094449 (2010) 

 

66) High field linear magnetoresistance in fully spin-polarized high-temperature organic-based ferrimagnetic semiconductor V(TCNE)(x) films, x~2
N.P. Raju, V.N. Prigodin, K.I. Pokhodnya, Joel S. Miller, and A.J. Epstein
Synthetic Metals, Vol. 160, 307 (2010)

 

65) Novel mechanism of photoinduced magnetism in organic-based magnetic semiconductor V(TCNE)x, x~2
Jung-Woo Yoo, R. Shima Edelstein, N. P. Raju, D.M. Lincoln, and A. J. Epstein
J. Applied Physics, Vol.103, 07B912 (2008)

 

64) Coexistence of ferromagnetic and antiferromagnetic phases in Nd0.5CaxSr0.5-xMnO3 manganites

S.Savitha Pillai, G. Rangarajan, N.P. Raju, A.J. Epstein, and P.N. Santhosh

J. Phys.: Condens. Matter, Vol. 19, 496221 (2007)

 

63) Photoinduced Magnetism and Random Magnetic Anisotropy in Organic-Based Magnetic Semiconductor V(TCNE)x Films, x ~ 2

Jung-Woo Yoo, R. Shima Edelstein, D.M. Lincoln, N.P. Raju, and A.J. Epstein

Phys. Rev. Lett., Vol. 99, 157205 (2007).


62) Multiple Photonic Responses in Films of Organic-Based Magnetic Semiconductor V(TCNE)x, x ~ 2

Jung-Woo Yoo, R. Shima Edelstein, D.M. Lincoln, N.P. Raju, C. Xia, K.I. Pokhodnya, Joel S. Miller, and A.J. Epstein

Phys. Rev. Lett., Vol. 97, 247205 (2006).

 

61) Magnetic field dependence of muon spin relaxation in geometrically frustrated Gd2Ti2O7

S. R. Dunsiger, R. F. Kiefl, J. A. Chakhalian, J. E. Greedan, W. A. MacFarlane, R. I. Miller, G. D. Morris, A. N. Price, N. P. Raju, and J. E. Sonier

Phys. Rev. B, Vol.73, 172418 (2006)

 

60) Anomalous magnetoresistance in high-temperature organic-based magnetic semiconductor V[TCNE]x films.
N. P. Raju, T. Savrin, V. N. Prigodin, K. I. Pokhodnya, Joel S. Miller, and A. J. Epstein
J. Applied Physics, Vol.93, 6799 (2003)

59) Electronic spin-driven resistance in organic-based magnetic semiconductor V[TCNE]x
V. N. Prigodin, N. P. Raju, K. I. Pokhodnya, J. S. Miller, and A. J. Epstein
Synthetic Metals, Vol.135-136, 87 (2003)
 
58) A comparison of the local magnetic susceptibility in rare earth pyrochlores.
S. R. Dunsiger, R. F. Kiefl, J. A. Chakhalian, K. H. Chow, J. S. Gardner, J. E. Greedan, W. A. MacFarlane, R. I. Miller, G. D. Morris, A. N. Price, N. P. Raju, J. E. Sonier
Physica B, Vol.326, 475 (2003).

57) Spin-driven resistance in organic-based magnetic semiconductor V[TCNE]x
Vladimir N. Prigodin, N. P. Raju, Konstantin I. Pokhodnya, Joel S. Miller, and Arthur J. Epstein
Adv. Mater. Vol. 14, 1230 (2002)

56) Weak ferromagnetic ground state in copper(II) linear chains
C. A. White, M. C. Derosa, G. P. A. Yap, N. P. Raju, J. E. Greedan, and R. J. Crutchley
Mol. Cryst. Liq. Cryst. Vol. 376, 289 (2002)

55) Genesis of nanostructured, magnetically tunable ceramics from the pyrolysis of cross-linked polyferrocenylsilane networks and formation of shaped macroscopic objects and micron scale patterns by micromolding inside silicon wafers
M. Ginzburg, M. J. MacLachlan, S. M. Yang, N. Coombs, T. W. Coyle, N. P. Raju, J. E. Greedan, R. H. Herber, G. A. Ozin, I. Manners
J. Am. Chem. Soc. Vol.124, 2625 (2002)

54) Neutron scattering studies of the cooperative paramagnet pyrochlore Tb2Ti2O7
J. S. Gardner, B. D. Gaulin, A. J. Berlinsky, P. Waldron, S. R. Dunsiger, N. P. Raju, J. E. Greedan
Phys. Rev. B, Vol. 64, 224416 (2001)

53) Metal-Insulator phenomena in strongly correlated oxides. The vacancy-doped titanate perovksites, Nd1-xTiO3 and Sm1-xTiO3
G. Amow, N. P. Raju, and J. E. Greedan
J. Solid State Chemistry, Vol. 155, 177 (2000)

52) Thermodynamic and single-ion properties of Tb3+ within the collective paramagnetic-spin liquid state of the frustrated pyrochlore antiferromagnet Tb2Ti2O7
M. J. P. Gingras, B. C. den Hertog, M. Faucher, J. S. Gardner, S. R. Dunsiger, L. J. Chang, B. D. Gaulin, N. P. Raju, and J. E. Greedan
Phys. Rev. B, Vol. 62, 6496 (2000)

51) Structure and magnetism in Pr3RuO7
Frederick Wiss, N. P. Raju, A. S. Wills, and J. E. Greedan
Int. J. Inorg. Mater., Vol. 2, 53 (2000)

50) Superparamagnetic ceramic nanocomposites: Synthesis and pyrolysis of ring-opened poly(ferrocenylsilanes) inside periodic mesoporous silica
Mark J. MacLachlan, Madlen Ginzburg, Neil Coombs, N. P. Raju, John E. Greedan, Geoffrey A. Ozin, and Lan Manners
J. Am. Chem. Soc., Vol. 122, 16 (2000)  

49) Shaped ceramics with tunable magnetic properties from metal-containing polymers
Mark J. MacLachlan, Madlen Ginzburg, Neil Coombs, Thomas W. Coyle, N. P. Raju, John E. Greedan, Geoffrey A. Ozin, and Lan Manners
Science, Vol. 287, 1460 (2000)  

48) Two-dimensional short-range magnetic order in the tetragonal spinel Li2Mn2O4
A. S. Wills, N. P. Raju, C. Morin, and J. E. Greedan
Chemistry of Materials, Vol. 11, 1936 (1999)  

47) Neutron diffraction studies on a ferromagnetic layered manganite La2-2x Sr1 + 2xMn2O7 (x = 0.3) prepared by aceramic method
Eun-Ok Chi, Kun-Pyo Hong, Young-Uk Kwon, N. P. Raju and John E. Greedan, Jeong-Soo Lee, and Nam Hwi Hur
Phys. Rev. B, Vol. 60, 12867 (1999)  

46) Glassy statics and dynamics in the chemically ordered pyrochlore antiferromagnet Y2Mo2O7
J. S. Gardner, B. D. Gaulin, S. -H. Lee, C. Broholm, N. P. Raju, and J. E. Greedan
Phys. Rev. Lett., Vol. 83, 211 (1999).  

45) Low-temperature structure and magnetic properties of the spinel LiMn2O4: A frustrated antiferromagnet and cathode material
A. S. Wills, N. P. Raju, and J. E. Greedan
Chemistry of Materials, Vol. 11, 1510 (1999).  

44) A homoleptic copper(II)-thiocyanato linear chain
C. A. White, G. P. A. Yap, N. P. Raju, J. E. Greedan, and R. J. Crutchley
Inorganic Chemistry, Vol. 38, 2548 (1999).  

43) Transition to long-range magnetic order in the insulating frustrated pyrochlore antiferromagnet Gd2Ti2O7
N. P. Raju, M. Dion, M. J. P. Gingras, T. E. Mason, and J. E. Greedan
Phys. Rev. B, Vol. 59, 14489 (1999).  

42) Cooperative paramagnetism in the geometrically frustrated pyrochlore antiferromagnet Tb2Ti2O7
J. S. Gardner, S. R. Dunsiger, B. D. Gaulin, M. J. P. Gingras, J. E. Greedan, R. F. Kiefl, M. D. Lumsden, W. A. MacFarlane, N. P. Raju, J. E. Sonier, I. Swainson, and Z. Tun
Phys. Rev. Lett., Vol. 82, 1012 (1999). 

41) Effect of disorder on the magnetization of a spin glass
D. Walton, A. McCleary, C. V. Stager, and N. P. Raju
Phys. Rev. B, Vol. 59, 135 (1999).  

40) The hydrothermal synthesis of the new manganese and vanadium oxides, NiMnO3H, MAV3O7 and MA0.75V4O10.0.67H2O (MA = CH3NH3
Rongi Chen, Peter Y. Zavalij, M. Stanley Whittingham, John E. Greedan, N. P. Raju, and Mario Bieringer
J. Mater. Chem., Vol. 9, 93 (1999).  

39) Magnetic and specific heat studies of the cation-ordered pyrochlore NH4CoAlF6
N. P. Raju, J. E. Greedan, M. A. Subramanian, C. P. Adams, and T. E. Mason
Phys. Rev. B, Vol. 58, 5550 (1998). 

38) Structure and magnetism in CrTa2O6: A trirutile oxide based Cr2+
M. Saes, N. P. Raju, and J. E. Greedan
J. Solid State Chemistry, Vol. 140, 7 (1998).  

37) Neutron scattering studies of geometrically frustrated pyrochlore antiferromagnets
B. D. Gaulin, J. S. Gardner, S. R. Dunsiger, Z. Tun, M. D. Lumsden, R. F. Kiefl, N. P. Raju, J. N. Reimers, and J. E. Greedan
Physica B, 1998, Vol. 241-243, pp. 511-516  

36) LaCrSb3: A new itinerant electron ferromagnet with a layered structure.
N. P. Raju, J. E. Greedan, Michael J. Ferguson, and Arthur Mar
Chem. Mater., Vol.10, 3630 (1998).  

35) Structure and magnetism in Lambda-MnO2: Geometric frustration in a defect spinel.
J. E. Greedan, N. P. Raju, A. S. Wills, C. Morin, S. M. Shaw, and J. N. Reimers
Chem. Mater., Vol.10, 3058 (1998).  

34) Structure, magnetism and colossal magnetoresistance behavior in A2Mn2O7 pyrochlores (A=Dy-Lu, Y, Sc, In or Tl)
M. A. Subramanian, J.E. Greedan, N. P. Raju, A.P. Ramirez, A.W. Sleight
Journal de Physique IV, 1997, Vol.7, No.C1, pp.625-628  

33) Muon spin relaxation investigation of frustrated antiferromagnetic pyrochlores A2B2O7
S. R. Dunsiger, R. F. Kiefl, K. H. Chow, B. D. Gaulin, M. J. P. Gingras, J. E. Greedan, A. Keren, K. Kojima, G. M. Luke, W. A. MacFarlane, N. P. Raju, J. E. Sonier, Y. J. Uemura, W. D. Wu
Hyperfine Interactions, 1997, Vol.104, No.1-4, pp.275-280 

32) A study of the structure and electronic and thermal properties of quasi-one-dimensional La3MoO7
J. E. Greedan, N. P. Raju, A. Wegner, P. Gougeon, J. Padiou
J. Solid State Chem., 1997, Vol.129, No.2, pp.320-327  

31) Thermal ring-opening polymerization of hydrocarbon-bridged [2]ferrocenophanes: Synthesis and properties of poly(ferrocenylethylene)s and their charge-transfer polymer salts with tetracyanoethylene
J. M. Nelson, P. Nguyen, R. Petersen, H. Rengel, P. M. Macdonald, A. J. Lough, I. Manners, N. P. Raju, J. E. Greedan, S. Barlow, D. OHare
Chemistry-A European Journal, 1997, Vol.3, No.4, pp.573-584  

30) Structural interconversion facilitated by a bifunctional ligand: A covalently linked 2D Cu-II sheet [Cu(3-pyOH)(2)(O2CCF3)(2)](n) and a hydrogen-bond linked 2D Cu-II sheet [Cu(3-pyOH(2))(O2CCF3)(2)(thf)(2)](n)
S. Kawata, S.R. Breeze, S. N. Wang, J. E. Greedan, N. P. Raju
Chemical Communications, 1997, No.7, pp.717-718  

29) Long range and short range magnetic order in orthorhombic LiMnO2
J. E. Greedan, N. P. Raju, I. J. Davidson
J. Solid State Chem., 1997, Vol.128, No.2, pp.209-214  

28) Static critical behavior of the spin-freezing transition in the geometrically frustrated pyrochlore antiferromagnet Y2Mo2O7
M. J. P. Gingras, C. V. Stager, N. P. Raju, B. D. Gaulin, J. E. Greedan
Phys. Rev. Letters, 1997, Vol.78, No.5, pp.947-950  

27) Copper and Bismuth complexes containing dipyridyl gem-diolato ligands - BI-2(III) (2-PY)(2)Co(OH)](2)(O2CCF3)(4)(thf)(2), Cu-II[(2-PY)(2)Co(OH)](2)(HO2CCH3)(2), and Cu-4(II)[(2-PY)(2)Co(OH)(2)(O2CCH3)(6)(H2O)(2), a ferromagnetically coupled tetranuclear copper(ii) chain
S. R. Breeze, S. N. Wang, J. E. Greedan, N. P. Raju
Inorganic Chemistry, 1996, Vol.35, No.24, pp.6944-6951  

26) Muon spin relaxation investigation of the spin dynamics of geometrically frustrated antiferromagnets Y2Mo2O7 and Tb2Mo2O7
S. R. Dunsiger, R. F. Kiefl, K. H. Chow, B. D. Gaulin, M. J. P. Gingras, J. E. Greedan, A. Keren, K. Kojima, G. M. Luke, W. A. Macfarlane, N. P. Raju, J. E. Sonier, Y. J. Uemura, W. D. Wu
Phys. Rev. B, 1996, Vol.54, No.13, pp.9019-9022  

25) Frustrated pyrochlore oxides, Y2Mn2O7, Ho2Mn2O7, and Yb2Mn2O7 - bulk magnetism and magnetic microstructure
J. E. Greedan, N. P. Raju, A. Maignan, C. Simon, J. S. Pedersen, A. M. Niraimathi,
E. Gmelin, M. A. Subramanian
Phys. Rev. B, 1996, Vol.54, No.10, pp.7189-7200  

24) Structure and magnetic-properties of the pyrochlore Sc2Mn2O7
J. E. Greedan, N. P. Raju, M. A. Subramanian
Solid State Communications, 1996, Vol.99, No.6, pp.399-402  

23) The magnetic-structures of the mixed-layer pnictide oxide compounds Sr2Mn3Pn2O2 (Pn=As,Sb)
S. L. Brock, N. P. Raju, J. E. Greedan, S. M. Kauzlarich
J. Alloys and Compounds, 1996, Vol.237, No.1-2, pp.9-19  

22) Low-temperature spin dynamics of geometrically frustrated antiferromagnets Y2Mo2O7 and Y2Mo1.6Ti0.4O7 studied by muon spin relaxation
S. R. Dunsiger, R. F. Kiefl, K. H. Chow, B. D. Gaulin, M. J. P. Gingras, J. E. Greedan, A. Keren, K. Kojima, G. M. Luke, W. A. Macfarlane, N. P. Raju, J. E. Sonier, Y. J. Uemura, W. D. Wu
J. Applied Physics, 1996, Vol.79, No.8 Pt2B, pp.6636-6638  

21) Magnetic-ordering in pyrochlore Ho2Mn2O7
N. P. Raju, J. E. Greedan, J. S. Pedersen, C. Simon, A. Maignan, A. M. Niraimathi, E. Gmelin, M. A. Subramanian
J. Applied Physics, 1996, Vol.79, No.8 Pt2B, pp.6173-6175  

20) Nonlinear susceptibility measurements at the spin-glass transition of the pyrochlore antiferromagnet Y2Mo2O7
M. J. P. Gingras, C. V. Stager, B. D. Gaulin, N. P. Raju, J. E. Greedan
J. Applied Physics, 1996, Vol.79, No.8 Pt2B, pp.6170-6172  

19) Magnetic and powder neutron-diffraction studies of hexagonal -NaCoPO4 - a possible geometrically frustrated magnet
N. P. Raju, J. E. Greedan
Canadian Journal of Physics, 1995, Vol.73, No.11-12, pp.658-662  

18) Pyrolysis of poly(ferrocenylsilanes) - synthesis and characterization of ferromagnetic transition metal-containing ceramics and molecular depolymerization products
R. Petersen, D. A. Foucher, B. Z. Tang, A. Lough, N. P. Raju, J. E. Greedan, I. Manners
Chemistry of Materials, 1995, Vol.7, No.11, pp.2045-2053 

17) Optical-properties of pyrochlore oxides R2Mo2O7- (R = Sm, Gd, Ho)
N. Cao, T. Timusk, N. P. Raju, J. E. Greedan, P. Gougeon
J. Physics-Condensed Matter, 1995, Vol.7, No.12, pp.2489-2506  

16) Magnetic, electrical, and small-angle neutron-scattering studies of possible long-range order in the pyrochlores Tl2Mn2O7 and In2Mn2O7
N. P. Raju, J. E. Greedan, M. A. Subramanian
Phys. Rev. B, 1994, Vol.49, No.2, pp.1086-1091 

15) Magnetic specific-heat and spin-glass-like ordering in the pyrochlores - R2Mo2O7 (R = Y, Sm, Gd, Ho)
N. P. Raju, E. Gmelin
J. Thermal Analysis, 1993, Vol.40, No.1, pp.341-347 

14) Magnetic-susceptibility and specific-heat studies of spin-glass-like ordering in the pyrochlore compounds R2Mo2O7 (R = Y, Sm, or Gd)
N. P. Raju, E. Gmelin, R. K. Kremer
Phys. Rev. B, 1992, Vol.46, No.9, pp.5405-5411  

13) Structure and magnetic-ordering of Holmium Carbide Fluoride, Ho2CF2
J. K. Cockcroft, R. K. Kremer, H. Mattausch, N. P. Raju, A. Simon
J. Alloys and Compounds, 1992, Vol.183, pp.241-251  

12) Magnetic-properties of the new rare-earth carbide fluoride layered compound - Ho2CF2
R. K. Kremer, J. K. Cockcroft, H. Mattausch, N. P. Raju, A. Simon
J. Magnetism and Magnetic Materials, 1992, Vol.104, No.Pt2, pp.959-960  

11) Electrical-conductivity and thermoelectric-power of the compounds (DyxY1-x)2Mo2O7
N. P. Raju, G. Rangarajan
J. Physics-Condensed Matter, 1990, Vol.2, No.15, pp.3539-3546  

10) Instrumentation for ac magnetic-susceptibility measurements
L. S. Vaidhyanathan, N. P. Raju, G. Rangarajan
Indian Journal of Pure & Applied Physics, 1989, Vol.27, No.7-8, pp.438-442 

9) High-Tc superconductivity in LnBa2Cu3O7 (Ln=La-Yb,Y) Compounds
G. V. S. Rao, U. V. Varadaraju, S. Natarajan, K. A. Thomas,V. Sankaranarayanan, N. P. Raju, R. Srinivasan
Izvestiya Sibirskogo Otdeleniya Akademii Nauk SSSR Seriya
Khimicheskikh Nauk, 1988, No.5, pp.13-19  

8) Magnetic-susceptibility of the compounds (DyxY1-x)2Mo2O7 in the temperature-range
600-4.2 K
N. P. Raju, G. Rangarajan, R. Srinivasan
J. Phys. C-Solid State Physics, 1988, Vol.21, No.31, pp.5427-5433  

7) Superconductivity studies on (Y1-xLax)Ba2Cu3O7, (Y1-xPrx)Ba2Cu3O7, (Y1-xTbx)Ba2Cu3O7
S. Natarajan, K. Chandrasekaran, K. A. Thomas, U. V. Varadaraju, G. V. S. Rao, N. P. Raju, V. Sankaranarayanan, R. Srinivasan
Physica C, 1988, Vol.153, No.JUN, pp.926-927  

6) Magnetic-susceptibility of the compounds (DyxY1-x)2Mo2O7
N. P. Raju, G. Rangarajan, R. Srinivasan
Jap. J. of Applied Physics Part 1-Regular Papers &
Short Notes, 1987, Vol.26, No.S26-3, pp.815-816  

5) Superconductivity studies on the high-Tc phase in the Y-Ba-Cu-O system
G. V. S. Rao, U. V. Varadaraju, K. A. Thomas, R. Vijayashree, N. P. Raju, R. Srinivasan, U. De, J. Janaki, T. S. Radhakrishnan
Jap. J. of Applied Physics Part 1-Regular Papers &
Short Notes, 1987, Vol.26, No.S26-3, pp.1077-1078  

4) Effect of chemical substitution on the high-Tc behavior of YBa2Cu3O7
U. V. Varadaraju, S. Natarajan, T. S. S. Kumar, M. Paranthaman, G. V. S. Rao, N. P. Raju, R. Srinivasan
Physica B & C, 1987, Vol.148, No.1-3, pp.417-418  

3) High-Tc superconductivity in Ln2-xBaxCu2O5 (1.0 x 1.6) and LnBa2Cu3O7 (Ln = Dy, Er, Tm, Yb and Y) Compounds
G. V. S. Rao, U. V. Varadaraju, R. Vijayashree, Padmanabhan_K, Balakrishnan_R, T. A. Mary, N. P. Raju, R. Srinivasan, U. De, J. Janaki, T. S. Radhakrishnan
Physica B & C, 1987, Vol.148, No.1-3, pp.237-238  

2) Enhancement of thermopower in the high-Tc superconductor YBa2Cu3O7 and related- compounds
R. Srinivasan, V. Sankaranarayanan, N. P. Raju, S. Natarajan, U. V. Varadaraju, G. V. S. Rao
Pramana, 1987, Vol.29, No.2, pp.L 225-L 230  

1) An electron spin resonance study of some insulating Europium Chalcogenide spin glasses
N. P. Raju and G. Rangarajan
Key Eng. Mater. (Switzerland), 1987, Vol. 13-15, Pt. 3, p619