Superconductivity enhanced by Hg fission

Article Abstract:

Scientists demonstrate a solution to problems inherent in copper-oxide which have inhibited successful high-temperature superconductivity. The material has easy motion of magnetic vortices which produces finite electrical resistance preventing loss-free current conduction. The scientists use a mercury/copper oxide superconductor and produce columnar defects, which counteract easy vortex motion in the copper oxide, by applying a proton beam to induce nuclear fission in the mercury atoms.

Usage, High temperature superconductors, Mercury, Mercury (Metal), Copper oxide superconductors, Nuclear fission

---

Room-temperature ferromagnetic nanotubes controlled by electron or hole doping

Article Abstract:

A description on the nanotubes of vanadium oxide [VO(sub x)] formed by controllable self-assembly, that are ferromagnetic at room temperature is presented. The as-formed nanotubes are transformed from spin-frustrated semiconductors to ferromagnetic by doping with either electrons or holes, potentially offering a route to spin control in nanotube-based heterostructures.

Science & research, Semiconductor doping, Nanotubes, Vanadium compounds

---

Stable ultrahigh-density magneto-optical recordings using introduced linear defects

Article Abstract:

Research is presented concerning the occurrence of linear defects in magnetic thin film and the resultant strain they impose upon it. The storage of data on magnetic media at densities over 1 Tbit inch-2 is discussed.

Methods, Letter to the Editor, Magnetic tapes, Information storage and retrieval, Magneto-optics

Similar abstracts:

• Abstracts: Spin fluctuations in Yba(sub2)Cu(sub3)O(sub6.6) High-temperature weak ferromagnetism in a low-density free-electron gas
• Abstracts: Luttinger-liquid behaviour in carbon nanotubes. Carbon-based electronics. Nanomechanical oscillations in a single-C60 transistor
• Abstracts: Confirmation by X-ray diffraction of the endohedral nature of the metallofullerene Y@C(sub 82). C66 fullerene encaging a scandium dimer
• Abstracts: Referendum stalls Japanese nuclear power strategy. Outbreak of chicken flu rattles Hong Kong. Goal-directed revamp for Japanese research
• Abstracts: Clocking transient chemical changes by ultrafast electron diffraction. Science for the have-nots

This website is not affiliated with document authors or copyright owners. This page is provided for informational purposes only. Unintentional errors are possible.