J. W. Freeland

Electronic and Magnetic Properties of the Interface between a doped cuprate Y0.6Pr0.4Ba2Cu3O7 and a colossal-magnetoresistance manganite La2/3Ca1/3MnO3 (2009)

Liu, Jian, Kirby, B. J., Kareev, M., Freeland, J. W., Cristiani, G., ...

The interfacial properties of Y0.6Pr0.4Ba2Cu3O7/La2/3Ca1/3MnO3 superlattices have been studied by resonant soft x-rays and diffuse scattered neutrons. Linearly polarized X-ray absorption at Cu L3...

Charge transport and magnetization profile at the interface between a correlated metal and an antiferromagnetic insulator (2009)

Freeland, J. W., Chakhalian, J., Boris, A. V., Kavich, J. J., Yordanov, P., ...

A combination of spectroscopic probes was used to develop a detailed experimental description of the transport and magnetic properties of superlattices composed of the paramagnetic metal CaRuO$_3$...

On Magnetic Interlayer Coupling and Proximity Effect in a La$_{0.67}$Ca$_{0.33}$MnO$_3$(10 nm)/YBa$_2$Cu$_3$O$_7$(10 nm) Superlattice (2007)

Freeland, J. W., Chakhalian, J., Cristiani, G., Keimer, B.

We present a study of interlayer coupling and proximity effects in a La$_{0.66}$Ca$_{0.33}$MnO$_3$(10 nm)/YBa$_2$Cu$_3$O$_7$(10 nm) superlattice. Using element-sensitive x-ray probes, the magnetic...

Demagnetization Protocols for Frustrated Interacting Nanomagnet Arrays (2007)

Wang, R. F., Li, J., McConville, W., Nisoli, C., Ke, X., Freeland, J. W., ...

We report a study of demagnetization protocols for frustrated arrays of interacting single domain permalloy nanomagnets by rotating the arrays in a changing magnetic field. The most effective...

Suppressed Magnetization at the Surfaces and Interfaces of Ferromagnetic Metallic Manganites (2006)

Freeland, J. W., Kavich, J. J., Gray, K. E., Ozyuzer, L., Zheng, H., Mitchell, J. F., ...

What happens to ferromagnetism at the surfaces and interfaces of manganites? With the competition between charge, spin, and orbital degrees of freedom, it is not surprising that the surface behavior...

Magnetism at the interface between ferromagnetic and superconducting oxides (2006)

Chakhalian, J., Freeland, J. W., Srajer, G., Strempfer, J., Khaliullin, G., Cezar, J. C., ...

Nanoscale Suppression of Magnetization at Atomically Assembled Manganite Interfaces (2005)

Kavich, J. J., Warusawithana, M. P., Freeland, J. W., Ryan, P., Zhai, X., Kodama, R. H., ...

Using polarized X-rays, we compare the electronic and magnetic properties of a La(2/3)Sr(1/3)MnO(3)(LSMO)/SrTiO(3)(STO) and a modified LSMO/LaMnO(3)(LMO)/STO interface. Using the technique of X-ray...

Interphase exchange coupling in Fe/Sm–Co bilayers with gradient Fe thickness (2005)

Yu, Ming-hui, Hattrick-Simpers, Jason, Takeuchi, Ichiro, Li, Jing, Wang, Z. L. (Zhong Lin), Liu, J. Ping, ...

©2005 American Institute of Physics. The electronic version of this article is the complete one and can be found online at: http://link.aip.org/link/?JAPIAU/98/063908/1

Full Bulk Spin Polarization and Intrinsic Tunnel Barriers at the Surface of Layered Manganites (2005)

Freeland, J. W., Gray, K. E., Ozyuzer, L., Berghuis, P., Badica, Elvira, Kavich, J., ...

Transmission of information using the spin of the electron as well as its charge requires a high degree of spin polarization at surfaces. At surfaces however this degree of polarization can be...

Local Environment of Ferromagnetically Ordered Mn in Epitaxial InMnAs (2004)

Chiu, P. T., Wessels, B. W., Keavney, D. J., Freeland, J. W.

The magnetic properties of the ferromagnetic semiconductor In0.98Mn0.02As were characterized by x-ray absorption spectroscopy and x-ray magnetic circular dichroism. The Mn exhibits an atomic-like...

Domain-specific magnetization reversals on a permalloy square ring array (2003)

Lee, D. R., Freeland, J. W., Srajer, G., Metlushko, V., You, Chun-Yeol

We present domain-specific magnetization reversals extracted from soft x-ray resonant magnetic scattering measurement on a permalloy square ring array. The extracted domain-specific hysteresis loops...

Extraction of domain-specific magnetization reversal for nanofabricated periodic arrays using soft x-ray resonant magnetic scattering (2003)

Lee, D. R., Freeland, J. W., Srajer, G., Sinha, S. K., Metlushko, V., Ilic, B.

A simple scheme to extract the magnetization reversals of characteristic magnetic domains on nanofabricated periodic arrays from soft x-ray resonant magnetic scattering (SXRMS) data is presented. The...

Induced Ge Spin Polarization at the Fe/Ge Interface (2003)

Freeland, J. W., Kodama, R. H., Vedpathak, M., Erwin, S. C., Keavney, D. J., Winarski, R., ...

We report direct experimental evidence showing induced magnetic moments on Ge at the interface in an Fe/Ge system. Details of the x-ray magnetic circular dichroism and resonant magnetic scattering at...

Site-specific X-ray absorption of Y§1§-§xCa§xBa§2Cu§3O§7§-§y and the role of apical oxygen in high-T§c superconductivity. (1999)

Schuppler, S., Merz, M., Nücker, N., Schweiss, P., Chen, C.T., Chakarian, V., ...

1998 March Meeting of the American Physical Society, Los Angeles, Calif., March 16-20, 1998

Site-specific x-ray absorption of Y§1§-§xCa§xBa§2Cu§3O§7§-§y and the role of apical oxygen in high-T§c superconductivity. (1998)

Merz, M., Nücker, N., Schweiss, P., Schuppler, S., Chakarian, V., Freeland, J.W., ...

1st Internat.Conf.on New Theories, Discoveries and Applications of Superconductors and Related Materials, Baton Rouge, La., February 19-24, 1998

Röntgenabsorptionsspektroskopie an entzwillingten (Y,RE)Ba§2Cu§3O§7§-§y-Einkristallen. (1997)

Merz, M., Nücker, N., Schweiss, P., Schuppler, S., Neudert, R., Golden, M.S., ...

Frühjahrstagung des Arbeitskreises Festkörperphysik der DPG, Münster, 17.-21.März 1997