Thermoinduced magnetic moment in akaganéite nanoparticles

Thermoinduced magnetic moment in akaganéite nanoparticles.
A. Urtizberea, F. Luis, A. Millán, E. Natividad, F. Palacio, E. Kampert, and U. Zeitler
Phys. Rev. B 83, 214426 (2011)

Measurements demonstrating the thermoinduced ,magnetization in akaganeite NPs.

Relaxation by MQT of a single molecular magnet

The Use of Magnetic Dilution To Elucidate the Slow Magnetic Relaxation Effects of a Dy2 Single-Molecule Magnet.
Fatemah Habib, Po-Heng Lin, Jerome Long, Ilia Korobkov, Wolfgang Wernsdorfer, and
Muralee Murugesu
JACS 133, 8830 (2011)

4.6 billion years old magnetite

Magnetite 3D Colloidal Crystals Formed in the Early Solar System 4.6 Billion Years Ago.
Jun Nozawa, Katsuo Tsukamoto, Willem van Enckevort, Tomoki Nakamura, Yuki Kimura, Hitoshi Miura, Hisao Satoh, Ken Nagashima, and Makoto Konoto
JACS 133, 8782 (2011)

Influence of T on vortices

Influence of temperature on the gyrotropic eigenmode of magnetic vortices.
Thomas Kamionka, Michael Martens, André Drews, Benjamin Krüger, Ole Albrecht, and Guido Meier
Phys. Rev. B 83, 224424 (2011)

(a) MFM of a representative Landau pattern under application of static external magnetic
fields (green arrows) along a diagonal of the square. (b) Vortex resonance frequency for quasistatically increasing external field at different temperatures. (c) Dependency of the resonance frequency on the magnetic field as well as on Hext/MS and Hext/fr(0) for all three temperatures.

Exchange between adatoms

Exchange interaction between magnetic adatoms on surfaces of noble metals.
E. Simon, B. Ujfalussy, B. Lazarovits, A. Szilva, L. Szunyogh, and G. M. Stocks
Phys. Rev. B 83, 224416 (2011)

Calculated exchange interactions as a function of the distance between Co adatoms on top of the vicinal
surfaces of Cu and Au along the directions specified.

Switching nanomagnet with stress

Switching dynamics of a magnetostrictive single-domain nanomagnet subjected to stress.
Kuntal Roy, Supriyo Bandyopadhyay, and Jayasimha Atulasimha
Phys. Rev. B 83, 224412 (2011)

Super SG behavior in interacting NPs

Superspin glass originating from dipolar interaction with controlled interparticle distance among γ -Fe2O3 nanoparticles with silica shells.
Kosuke Hiroi, Katsuyoshi Komatsu, and Tetsuya Sato
Phys. Rev. B 83, 224424 (2011)

Temperature-dependent magnetization of the samples L12, L14, L18, and L34 under ZFC and FC conditions.
All curves are normalized by the value in Tpeak in the ZFC condition.

See also the article:

Do 8 nm Co Nanocrystals in Long-Range-Ordered Face-Centered Cubic (fcc) Supracrystals Show Superspin Glass Behavior?
Dinah Parker, Isabelle Lisiecki, and M. P. Pileni
J. Phys. Chem. Lett. 1, 1139 (2010)

Supramolecular spins valves

Supramolecular spin valves.
M. Urdampilleta, S. Klyatskaya, J-P. Cleuziou, M. Ruben, andW.Wernsdorfer
Nature Materials10, 502 (2011)

Molecular spin-valve electronic-transport characteristics. c) Zero-bias conductance measured as a function of the magnetic field.e) f) Schematic representation of the mechanism involving two TbPc2* SMM molecules (A and B) grafted on an SWCNT.

Electric spectroscopy of Vortices

Electric spectroscopy of vortex states and dynamics in magnetic disks.
Minori Goto, Hiroshi Hata, Akinobu Yamaguchi, Yoshinobu Nakatani, Takehiro Yamaoka, Yukio Nozaki and Hideki Miyajima
ArXiv CondMat 1106.4516