September 2008 Volume 7 Number 9, pp 679 - 756
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EDITORIAL
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'NUCLEAR' IS NOT THE QUESTION p679
Whether we should expand the use of nuclear energy is not the issue.
Developing next-generation nuclear technology as part of a
clean-energy portfolio is.
doi:10.1038/nmat2267
http://ealerts.nature.com/cgi-bin24/DM/y/em2a0Xztnp0HjS0B3Tl0EP
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COMMENTARIES
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NUCLEAR ENERGY FOR THE FUTURE pp680 - 682
Nuclear energy offers a low-carbon footprint and less dependence on
fossil fuel, but several materials challenges must be met to advance
nuclear technology.
David J. Hill
doi:10.1038/nmat2247
http://ealerts.nature.com/cgi-bin24/DM/y/em2a0Xztnp0HjS0B3Tm0EQ
GREATER TOLERANCE FOR NUCLEAR MATERIALS pp683 - 685
As interest in new generations of nuclear reactors is increasing
worldwide, renewed research effort into new materials more tolerant
to extreme conditions is crucial.
Robin W. Grimes, Rudy J. M. Konings and Lyndon Edwards
doi:10.1038/nmat2266
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INTERVIEW
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NUCLEAR ENERGY - SAFE AND SECURE? pp686 - 687
The present revival in nuclear technology is prompting concerns about
its safe use. Nature Materials talks to Tomihiro Taniguchi, Deputy
Director General at the International Atomic Energy Agency,
responsible for nuclear safety and security.
doi:10.1038/nmat2258
http://ealerts.nature.com/cgi-bin24/DM/y/em2a0Xztnp0HjS0B3To0ES
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RESEARCH HIGHLIGHTS
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RESEARCH HIGHLIGHTS p689
doi:10.1038/nmat2268
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NEWS AND VIEWS
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MAGNETIC MOLECULES: CHIRALITY AND MAGNETISM SHAKE HANDS pp691 - 692
The synthesis of chiral magnetic molecules allows the first
observation of strong magneto-chiral dichroism, where unpolarized
light is absorbed differently for parallel and antiparallel
propagation with respect to an applied magnetic field.
Laurence D. Barron
doi:10.1038/nmat2263
http://ealerts.nature.com/cgi-bin24/DM/y/em2a0Xztnp0HjS0B3Tq0EU
BIOLOGICAL MATERIALS: FISHING FOR COMPLIANCE pp692 - 693
Multiscale experimental and computational approaches reveal how an
ancient fish protects itself with an armour of scales consisting of
four different reinforcing, graded nanocomposite layers.
Klaus D. Jandt
doi:10.1038/nmat2262
http://ealerts.nature.com/cgi-bin24/DM/y/em2a0Xztnp0HjS0B3Tr0EV
MATERIAL WITNESS: OLD GOLD p694
Philip Ball
doi:10.1038/nmat2255
http://ealerts.nature.com/cgi-bin24/DM/y/em2a0Xztnp0HjS0B3Ts0EW
CONDENSED-MATTER PHYSICS: COMPLEX OXIDES ON FIRE pp694 - 695
Oxide materials have long been known as hosts for exotic and useful
physical properties. Recent advances in their design and fabrication
establish the means to tailor their response for applications.
Yoshinori Tokura and Harold Y. Hwang
doi:10.1038/nmat2264
http://ealerts.nature.com/cgi-bin24/DM/y/em2a0Xztnp0HjS0B3Tt0EX
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LETTERS
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CLASSICAL AND QUANTUM ROUTES TO LINEAR MAGNETORESISTANCE
pp697 - 700
We are used to thinking that a macroscopic phenomenon can be described
in terms of either classical physics or quantum mechanics. But
sometimes it can be both. For example, it is shown that the linear
magnetoresistance in InSb can be achieved by a classical or quantum
route.
Jingshi Hu and T. F. Rosenbaum
doi:10.1038/nmat2259
Abstract: http://ealerts.nature.com/cgi-bin24/DM/y/em2a0Xztnp0HjS0B3Tu0EY
Article: http://ealerts.nature.com/cgi-bin24/DM/y/em2a0Xztnp0HjS0B3Tv0EZ
MULTI-QUANTUM-WELL NANOWIRE HETEROSTRUCTURES FOR WAVELENGTH-CONTROLLED
LASERS pp701 - 706
Nanowire lasers have so far consisted of homogeneous semiconductor
structures. The achievement of lasing from a multi-quantum-well
heterostructure deposited on a nanowire demonstrates a new complexity
in nanophotonic devices.
Fang Qian et al.
doi:10.1038/nmat2253
Abstract: http://ealerts.nature.com/cgi-bin24/DM/y/em2a0Xztnp0HjS0B3Tw0Ea
Article: http://ealerts.nature.com/cgi-bin24/DM/y/em2a0Xztnp0HjS0B3Tx0Eb
EXPERIMENTAL VISUALIZATION OF LITHIUM DIFFUSION IN LixFePO4
pp707 - 711
Geometric information on lithium diffusion is crucial to understanding
electrode reactions for lithium ion battery applications. Combining
high-temperature powder neutron diffraction and the maximum entropy
method, experimental evidence for a curved one-dimensional chain for
lithium motion in LixFePO4 is now provided.
Shin-ichi Nishimura et al.
doi:10.1038/nmat2251
Abstract: http://ealerts.nature.com/cgi-bin24/DM/y/em2a0Xztnp0HjS0B3Ty0Ec
Article: http://ealerts.nature.com/cgi-bin24/DM/y/em2a0Xztnp0HjS0B3Tz0Ed
VERTICALLY ORIENTED HEXAGONAL MESOPOROUS FILMS FORMED THROUGH
NANOMETRE-SCALE EPITAXY pp712 - 717
Pores in thin films tend to lie in the plane of the substrate, which
makes it impractical for applications where diffusion into the pores
is necessary. Nanometre-scale epitaxy on a patterned substrate is now
used to form vertically oriented pores in honeycomb-structured films.
Erik K. Richman, Torsten Brezesinski and Sarah H. Tolbert
doi:10.1038/nmat2257
Abstract: http://ealerts.nature.com/cgi-bin24/DM/y/em2a0Xztnp0HjS0B3T10EQ
Article: http://ealerts.nature.com/cgi-bin24/DM/y/em2a0Xztnp0HjS0B3T20ER
WATER-SOLUBLE ORGANO-SILICA HYBRID NANOWIRES pp718 - 722
Precise control over the geometry of nanoscale one-dimensional
structures is challenging. Cylindrical polymer brushes have now been
used to synthesize organo-silica hybrid nanowires that are not only
soluble in water but also in many organic solvents.
Jiayin Yuan et al.
doi:10.1038/nmat2232
Abstract: http://ealerts.nature.com/cgi-bin24/DM/y/em2a0Xztnp0HjS0B3T30ES
Article: http://ealerts.nature.com/cgi-bin24/DM/y/em2a0Xztnp0HjS0B3T40ET
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ARTICLES
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SPIN RABI FLOPPING IN THE PHOTOCURRENT OF A POLYMER LIGHT-EMITTING
DIODE pp723 - 728
The observation of Rabi-oscillations between single and triplet states
in an organic light-emitting diode demonstrates the possibility of
manipulating the spin states in organic electronic devices. The data
also provide direct evidence of very slow spin-dephasing, which should
prove crucial for the development of organic spintronics.
D. R. McCamey et al.
doi:10.1038/nmat2252
Abstract: http://ealerts.nature.com/cgi-bin24/DM/y/em2a0Xztnp0HjS0B3T50EU
Article: http://ealerts.nature.com/cgi-bin24/DM/y/em2a0Xztnp0HjS0B3T60EV
STRONG MAGNETO-CHIRAL DICHROISM IN ENANTIOPURE CHIRAL FERROMAGNETS
pp729 - 734
Magneto-chiral dichroism is an effect in which unpolarized light is
absorbed differently for parallel and antiparallel propagation with
respect to an applied magnetic field. Previous observations have only
seen a rather weak demonstration of this effect. Following a
challenging synthesis, strong magneto-dichroism has now been observed
in enantiopure chiral ferromagnets.
Cyrille Train et al.
doi:10.1038/nmat2256
Abstract: http://ealerts.nature.com/cgi-bin24/DM/y/em2a0Xztnp0HjS0B3T70EW
Article: http://ealerts.nature.com/cgi-bin24/DM/y/em2a0Xztnp0HjS0B3T80EX
DIRECT FABRICATION OF METAVANADATE PHOSPHOR FILMS ON ORGANIC
SUBSTRATES FOR WHITE-LIGHT-EMITTING DEVICES pp735 - 740
In solid-state lighting, phosphors are typically used to complement
the blue light of the original emitter to achieve white-light
emission. The capability to deposit certain phosphors at much lower
temperatures than previously enables their use on organic substrates
and opens the door to fabricate large-area white-light emitters.
Tomohiko Nakajima et al.
doi:10.1038/nmat2244
Abstract: http://ealerts.nature.com/cgi-bin24/DM/y/em2a0Xztnp0HjS0B3UA0Eh
Article: http://ealerts.nature.com/cgi-bin24/DM/y/em2a0Xztnp0HjS0B3UB0Ei
ROOM-TEMPERATURE SINGLE-PHASE Li INSERTION/EXTRACTION IN NANOSCALE
LixFePO4 pp741 - 747
Electrodes exhibiting single-phase lithium insertion processes can be
advantageous for storage applications such as lithium-ion batteries.
By modifying the particle size and ion ordering of LiFeFO4 electrodes
an unprecedented single-phase room-temperature process is observed.
Pierre Gibot et al.
doi:10.1038/nmat2245
Abstract: http://ealerts.nature.com/cgi-bin24/DM/y/em2a0Xztnp0HjS0B3UC0Ej
Article: http://ealerts.nature.com/cgi-bin24/DM/y/em2a0Xztnp0HjS0B3UD0Ek
MATERIALS DESIGN PRINCIPLES OF ANCIENT FISH ARMOUR pp748 - 756
The scales of a fish are its first level of defence. Now, the
multilayered structure of fish scales has been analysed according to
its mechanical properties and penetration resistance. This study of
the four different layers provides a mechanistic understanding of
evolutionary design as well as inspiring new materials for armour
protection.
Benjamin J. F. Bruet, Juha Song, Mary C. Boyce and Christine Ortiz
doi:10.1038/nmat2231
Abstract: http://ealerts.nature.com/cgi-bin24/DM/y/em2a0Xztnp0HjS0B3UE0El
Article: http://ealerts.nature.com/cgi-bin24/DM/y/em2a0Xztnp0HjS0B3UF0Em
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