MTL Annual Report

Collaborators

• H.I. Smith, C.V Thompson, E.L. Thomas, R.C. O’Handley, Y. Shao-Horn, K.K. Berggren (MIT)
• G. Dionne (Lincoln Lab)
• J. Borchers (NIST)
• M. Pardavi-Horvath (George Washington U.)
• A. Adeyeye, (Nat. Univ. Singapore)
• J.Y. Cheng (IBM)
• I. Manners (U. Bristol, UK)
• M. Vazquez (Madrid)

Postdocs/Visitors

• Dr Hyun Suk Kim
• Dr David Navas
• Dr Chunghee Nam
• Dr Carlos Garcia
• Dr Jeong Gon Son
• Dr Youngman Jang
• Dr Dong Hun Kim

Graduate students

• Vivian Chuang
• Yeon Sik Jung
• Lei Bi
• Kevin Gotrik
• Mark Mascaro
• Adam Hannon
• Nicholas Aimon

Support Staff

• G. Joseph, Administrative Assistant II

Publications

Chunghee Nam, B.G. Ng, F. J. Castaño, and C. A. Ross, Effect of magnetic field direction on the remanent resistance levels and vortex chirality of a multilayered magnetic ring, J. Appl. Phys. 105 033918 (2009).

Chunghee Nam, B. G. Ng, F. J. Castaño, M. D. Mascaro and C. A. Ross, Current-driven vortex formation in a magnetic multilayer ring, Appl. Phys. Letts. 94, 082501 (2009).

K. L. Krycka, B. B. Maranville, J. A. Borchers, F. J. Castaño, B. G. Ng, J. C. Perkinson, C. A. Ross, Magnetic Domain Formation within Patterned NiFe/Cu/Co Ellipses, J. Appl. Phys. 105 07C120 (2009).

J. L. Sánchez Llamazares, B. Hernando, V. Prida, C. García, J. González, R. Varga and C. A. Ross, Magnetic field influence on the structural transformation in ferromagnetic shape memory alloy Mn₅₀Ni₄₀In₁₀ melt spun ribbons, J. Appl. Phys. 105 07A945 (2009).

Vivian P. Chuang, Caroline A. Ross, Jessica Gwyther and Ian Manners, Self-Assembled Nanoscale Ring Arrays from a Polystyrene-b-polyferrocenylsilane-b-poly(2-vinylpyridine) Triblock Terpolymer Thin Film, Adv. Mater. 21(37)  3789-3793 (2009).

Yeon Sik Jung and C. A. Ross, Well-ordered thin film nanopore arrays formed using a block copolymer template, Small 5(14) 1654-9 (2009)

D. Navas, F. Ilievski, and C. A. Ross, CoCrPt antidot arrays with perpendicular magnetic anisotropy made on anodic alumina templates, J. Appl. Phys. 105 113921 p1-6 (2009).

Lei Bi, Hyun-Suk Kim, Gerald F. Dionne, C. A. Ross, Hanjong Paik, Yun Chang Paik, Orientation control and self-assembled nano-pyramid structure of LaFeO₃ films epitaxially grown on SrTiO₃ (001) substrates, Appl. Phys. Lett. 95, 121908 p1-3 (2009).

Shih-Wei Chang, Vivian P. Chuang, Steven T. Boles, Caroline A. Ross, and Carl V. Thompson, Densely-packed arrays of ultrahigh-aspect-ratio silicon nanowire fabricated using block copolymer lithography and metal-assisted etching, Adv. Functional Materials 19(15) 2495-2500 (2009).

Chunghee Nam, M. D. Mascaro, B. G. Ng, and C. A. Ross, Electrical observation of magnetization buckling in the vortex state of a NiFe ring, J. Phys. D 42 222002 p1-6 (2009).

M. Ciria, F.J. Castaño, J.L. Diez-Ferrer, J.I. Arnaudas, B.G. Ng, R.C. O’Handley, C.A. Ross, Origin of transverse magnetization in epitaxial Cu/Ni/Cu nanowire arrays, Phys. Rev. B 80 094417 p1-5 (2009)

J. H. Lee, S. N. Holmes, B. Hong, P. E. Roy, M. D. Mascaro, T. J. Hayward, D. Anderson, K. Cooper, G. A. C. Jones, M. E. Vickers, C. A. Ross, C. H. W. Barnes, Magnetic remanent states and quasi-static switching behavior of Fe split-rings for spin field-effect-transistor applications, Appl. Phys. Lett. 95 172505 p1-3 (2009)

F. Ilievski, A. Cuchillo, W. Nunes, M. Knobel, C. A. Ross, P. Vargas, Thermal behavior of hard-axis magnetization in non-interacting particles with uniaxial anisotropy, Appl. Phys. Letts 95 202503 p1-3 (2009)

D. Perez de Lara, F. J. Castaño, B. G. Ng, R. K. Dumas, E. M. Gonzalez, Kai Liu, C. A. Ross, Ivan K. Schuller, J. L. Vicent, Rocking ratchet induced by magnetic potentials with broken reflection symmetry, Phys. Rev. B 80 224510 p1-7 (2009) [PRB website front page image, http://prb.aps.org/kaleidoscope]

Templated Self-assembly of Square Arrays from an ABC Triblock Terpolymer, Vivian P. Chuang, Caroline A. Ross, Jessica Gwyther, and Ian Manners, Nano Letts. 9 (12) 4364–4369 (2009)

Filip Ilievski and C. A. Ross, Graphoepitaxy of block copolymers using selectively removable templates, J. Vac. Sci. Technol. B 28(1) 42-44 (2010)

Self-assembled Single-Phase Perovskite Nanocomposite Thin Films, Hyun-Suk Kim, Lei Bi, Han-Jong Paik, Dae-Jin Yang, Yun Chang Park, Gerald F. Dionne and Caroline A. Ross, Nano Lett. (2010)

Preparation and Magnetic properties of cylindrical NiFe films and antidot arrays, R. Sanz, D. Navas, M. Vazquez, M. Hernandez-Velez, C.A. Ross, J. Nanoscience and Nanotechnology 10 (2010)

Effects of Interlayer Coupling in Elongated Ni₈₀Fe₂₀/Au/Co Nanorings, Y. Ren, A.O Adeyeye, C. Nam and C.A. Ross, IEEE Trans. Magn. (2010)

Kinetic arrest of direct and reverse martensitic transformation and exchange bias effect in Mn49.5Ni40.4In10.1 melt spun ribbons, J. L. Sánchez Llamazares, B. Hernando, C. García, and C. A. Ross, J. Appl. Phys. (2010)

Programmable Self-Assembly of Complex Nanoscale Patterns, Joel K. W. Yang, Yeon Sik Jung, Jae-Byum Chang, Caroline A. Ross, and Karl K. Berggren, Nature Nanotechnology (2010)

Incoherent interaction of propagating spin waves with precessing magnetic moments, B. C. Choi, E. Girgis, C. A. Ross, Th. Speliotis, Y. K. Hong, G. Abo, D. Niarchos, and H. Miyagawa, Phys. Rev. B 81 (2010)

Structure, magnetic properties and magnetoelastic anisotropy in epitaxial Sr(Ti_1-xCo_x)O₃ films, Lei Bi, Hyun-Suk Kim, Gerald F. Dionne and C. A. Ross, New J. Physics (2010)

A path to ultra-narrow patterns using self-assembled lithography, Yeon Sik Jung, J. B. Chang, Eric Verploegen, Karl K. Berggren and C. A. Ross, Nano Letts. (2010)

Interactions between 180 and 360 degree domain walls in magnetic multilayer stripes;
Mark D. Mascaro, Chunghee Nam, and C. A. Ross, in press Appl. Phys. Letts.