Room temperature ferromagnetism and magnetotransport properties of the layered manganite system La1.2Ba1.8Mn2-xRuxO7 (0 <= x <= 1-0) - Sudhakar, N.; Rajeev, K. P.; Tiwari, A.; Narayan, J. (SOLID STATE COMMUNICATIONS, 2007)
Keywords: manganites; spin glasses; colossal magnetoresistance; magnetization curves

Co-doped ZnO dilute magnetic semiconductor - Prater, JT; Ramachandran, S; Tiwari, A; Narayan, J (JOURNAL OF ELECTRONIC MATERIALS, 2006)
Keywords: dilute magnetic semiconductor; co-doped ZnO; oxygen annealing; magnetic hysteresis

Electrical properties of transparent and conducting Ga doped ZnO - Bhosle, V.; Tiwari, A.; Narayan, J. (Journal of Applied Physics, 2006)

Epitaxial ZnO/Pt layered structures and ZnO-Pt nanodot composites on sapphire (0001) - Chugh, Amit; Ramachandran, S.; Tiwari, A.; Narayan, J. (JOURNAL OF ELECTRONIC MATERIALS, 2006)
Keywords: domain matching epitaxy; ZnO; Pt; nanodot composites

Ferromagnetism in Co doped CeO2: Observation of a giant magnetic moment with a high Curie temperature - Tiwari, A.; Bhosle, V. M.; Ramachandran, S.; Sudhakar, N.; Narayan, J.; Budak, S.; Gupta, A. (Applied Physics Letters, 2006)

Growth and observation of low-field giant magnetoresistance in La0.7Sr0.3MnO3/ZnO superlattice structures - Tiwari, A; Narayan, J (JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, 2006)
Keywords: giant magnetoresistance; superlattices; pulsed laser deposition; interlayer; exchange coupling

Growth of highly conducting epitaxial ZnO-Pt-ZnO heterostructure on alpha-Al2O3 (0001) - Ramachandran, S.; Chugh, A.; Tiwari, A.; Narayan, J. (JOURNAL OF CRYSTAL GROWTH, 2006)
Keywords: heterostructures; surface sructure; X-ray diffraction; pulsed laser deposition technique; ZnO-Pt-ZnO

Metallic conductivity and metal-semiconductor transition in Ga-doped ZnO - Bhosle, V.; Tiwari, A.; Narayan, J. (Applied Physics Letters, 2006)

Methods for processing tantalum films of controlled microstructures and properties - Narayan, J.; Bhosle, V.; Tiwari, A.; Gupta, A.; Kumar, P.; Wu, R. (JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A, 2006)

Methods of forming three-dimensional nanodot arrays in a matrix - Narayan, J.; Tiwari, A. (2006)

Electrical transport in ZnO(1-delta)films: Transition from band-gap insulator to Anderson localized insulator (vol 96, pg 3827, 2004) - Tiwari, A.; Jin, C.; Narayan, J.; Park, M. (Journal of Applied Physics, 2005)

Epitaxial growth and properties of MoOx(2 < x < 2.75) films - Bhosle, V.; Tiwari, A.; Narayan, J. (Journal of Applied Physics, 2005)

Epitaxial growth of zinc oxide thin films on silicon - Jin, Chunming; Narayan, Roger; Tiwari, Ashutosh; Zhou, Honghui; Kvit, Alex; Narayan, Jagdish (Materials Science and Engineering: B, 2005)
Keywords: Pulsed laser deposition; epitaxy of thin films; zinc oxide

Ultraviolet-illumination-enhanced photoluminescence effect in zinc oxide thin films - Jin, CM; Tiwari, A; Narayan, RJ (JOURNAL OF APPLIED PHYSICS, 2005)

Electrical transport in ZnO1-delta films: Transition from band-gap insulator to Anderson localized insulator - Tiwari, A; Jin, C; Narayan, J; Park, M (JOURNAL OF APPLIED PHYSICS, 2004)

Growth of single-phase c-axis aligned La1.2Ca1.8Mn2O7 films on SrTiO3(001) - Tiwari, A; Narayan, J; Sudhakar, N; Rajeev, KP (SOLID STATE COMMUNICATIONS, 2004)
Keywords: thin films; giant magnetoresistance

Novel methods of forming self-assembled nanostructured materials: Ni nanodots in Al2O3 and TiN matrices - Narayan, J; Tiwari, A (JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, 2004)
Keywords: nickel nanodots; self-assembed nanomaterials; TEM; magnetic properties

Origin of room-temperature ferromagnetism in cobalt-doped ZnO - Ramachandran, S; Tiwari, A; Narayan, J (JOURNAL OF ELECTRONIC MATERIALS, 2004)
Keywords: ZnO; Co; ferromagnetism; pulsed laser deposition

Pulsed laser deposition assisted novel synthesis of self-assembled magnetic nanoparticles - Kumar, D; Yarmolenko, S; Sarkar, J; Narayan, J; Zhou, H; Tiwari, A (COMPOSITES PART B-ENGINEERING, 2004)
Keywords: nanocrystalline materials; pusled laser deposition; blocking temperature

Special issue on nanostructured magnetic materials: Recent progress in magnetic nanostructures - Foreword - Tiwari, A (JOURNAL OF ELECTRONIC MATERIALS, 2004)

TaN-TiN binary alloys and superlattices as diffusion barriers for copper interconnections - Wang, H.; Gupta, A.; Tiwari, Ashutosh; Zhang, X.; Narayan, J. (Journal of Electronic Materials, 2004)

Zn0.9Co0.1O-based diluted magnetic semiconducting thin films - Ramachandran, S; Tiwari, A; Narayan, J (APPLIED PHYSICS LETTERS, 2004)

A novel technique for making self-encapsulated and self-aligned copper films - Chugh, A; Tiwari, A; Kvit, A; Narayan, J (MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY, 2003)
Keywords: pulsed laser ablation; self-aligned passivated contacts; domain matching epitaxy; transmission electron microscopy; annealing

Formation of self-assembled epitaxial nickel nanostructures - Zhou, H; Kumar, D; Kvit, A; Tiwari, A; Narayan, J (JOURNAL OF APPLIED PHYSICS, 2003)

Growth and characteristics of TaN/TiN superlattice structures - Wang, H; Zhang, X; Gupta, A; Tiwari, A; Narayan, J (APPLIED PHYSICS LETTERS, 2003)

Rectifying electrical characteristics of La0.7Sr0.3MnO3/ZnO heterostructure - Tiwari, A; Jin, C; Kumar, D; Narayan, J (APPLIED PHYSICS LETTERS, 2003)

Role of self-assembled gold nanodots in improving the electrical and optical characteristics of zinc oxide films - Tiwari, A; Chugh, A; Jin, C; Narayan, J (JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, 2003)
Keywords: ZnO; gold nanodots; plasmon resonance; photoluminescence; green band emission; pulsed laser deposition

Role of silver addition in the synthesis of high critical current density MgB2 bulk superconductors - Kumar, D; Pennycook, SJ; Narayan, J; Wang, H; Tiwari, A (SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 2003)

TaN-TiN binary alloys and superlattices as diffusion barriers for copper interconnects - Wang, H; Gupta, A; Tiwari, A; Zhang, X; Narayan, J (JOURNAL OF ELECTRONIC MATERIALS, 2003)
Keywords: TaN; TiN; superlattice; alloy; Cu diffusion barrier

Copper diffusion characteristics in single-crystal and polycrystalline TaN - Wang, H; Tiwari, A; Zhang, X; Kvit, A; Narayan, J (APPLIED PHYSICS LETTERS, 2002)

Epitaxial growth of TaN thin films on Si(100) and Si(111) using a TiN buffer layer - Wang, H; Tiwari, A; Kvit, A; Zhang, X; Narayan, J (APPLIED PHYSICS LETTERS, 2002)

Epitaxial growth of ZnO films on si(111) - Tiwari, A; Park, M; Jin, C; Wang, H; Kumar, D; Narayan, J (JOURNAL OF MATERIALS RESEARCH, 2002)

Growth of epitaxial NdNiO3 and integration with Si(100) - Tiwari, A; Narayan, J; Jin, C; Kvit, A (APPLIED PHYSICS LETTERS, 2002)

Integration of single crystal La0.7Sr0.3MnO3 films with Si(001) - Tiwari, A; Chug, A; Jin, C; Kumar, D; Narayan, J (SOLID STATE COMMUNICATIONS, 2002)
Keywords: thin films; laser processing; epitaxy; scanning and transmission electron microscopy; electron-electron interactions

Low temperature electrical transport in La1-xNdxNiO3-delta - Tiwari, A.; Rajeev, K. P.; Narayan, Jagdish (Solid State Communications, 2002)

Strain-induced tuning of metal-insulator transition in NdNiO3 - Tiwari, A; Jin, C; Narayan, J (APPLIED PHYSICS LETTERS, 2002)

Structural, optical and magnetic properties of diluted magnetic semiconducting Zn1-xMnxO films - Tiwari, A; Jin, C; Kvit, A; Kumar, D; Muth, JF; Narayan, J (SOLID STATE COMMUNICATIONS, 2002)
Keywords: thin films; laser processing; epitaxy; X-ray scattering; optical properties

Synthesis and atomic-level characterization of Ni nanoparticles in Al2O3 matrix - Kumar, D; Pennycook, SJ; Lupini, A; Duscher, G; Tiwari, A; Narayan, J (APPLIED PHYSICS LETTERS, 2002)

Weak-localization effect in single crystal TaN(001) films - Tiwari, A; Wang, H; Kumar, D; Narayan, J (MODERN PHYSICS LETTERS B, 2002)
Keywords: correlated electronic system; weak localization; electron-electron interaction; metal-insulator transition