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Browsing Research and Publications - Department of Physics & Astronomy by Subject "Thermodynamic states and processes"

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Anisotropy Graded Media: Extending the Superparamagnetic Limit (abstract)

Mankey, Gary (2009-04-29)

The maximum storage density in magnetic media is limited by the superparamagnetic size of the grains that make up the bits. The superparamagnetic size can be reduced by increasing the anisotropy of the grains; however, in ...
An Apparatus to Manipulate and Identify Individual Ba Ions from Bulk Liquid Xe

Piepke, Andreas (2014-09-23)

We describe a system to transport and identify barium ions produced in liquid xenon, as part of R&D towards the second phase of a double beta decay experiment, nEXO. The goal is to identify the Ba ion resulting from an ...
Effect of Substrate Symmetry on the Preferred Magnetization Orientation of Ni Films on Cu

Mankey, Gary (1998-06-04)

For ultrathin Ni films grown on Cu(100) and Cu(110), the easy axis of magnetization starts out in the plane of the films. Above a critical thickness, the preferred magnetization orientation changes to perpendicular to the ...
Note: A Wide Temperature Range MOKE System with Annealing Capability

Mankey, Gary (2017-07-21)

A novel sample stage integrated with a longitudinal MOKE system has been developed for wide temperature range measurements and annealing capabilities in the temperature range 65 K<T<760 K. The sample stage incorporates a ...
Spin Reorientation Transition in Ni Films on Cu(100)

Mankey, Gary (1998-06-04)

The magnetic anisotropy of Ni films grown on single‐crystal Cu(100) was studied in situ using the surface magneto‐optic Kerr effect. The easy axis of magnetization lies in the plane of the film for ultrathin films and it ...
Strong Uniaxial Magnetic Anisotropy in CoFe films on Obliquely Sputtered Ru Underlayer

Mankey, Gary (2009-10-02)

Co₉₀Fe₁₀ films with an in-plane uniaxial magnetic anisotropy have been grown on an obliquely sputtered thin Ru underlayer. The anisotropy field can be increased up to 200 Oe. The hysteresis curves show a very high squareness ...
Trimmed-diamond Shaped Toggle Magnetoresistive Random Access Memory Cells

Mankey, Gary (2009-04-08)

We have performed micromagnetic simulations for the design of toggle magnetoresistive random access memory (MRAM) cells to make the operating field as low as possible while keeping a reasonable margin and thermal stability. ...

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Browsing Research and Publications - Department of Physics & Astronomy by Subject "Thermodynamic states and processes"

Browsing Research and Publications - Department of Physics & Astronomy by Subject "Thermodynamic states and processes"

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