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Research Highlights

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RH 042112

Non-aqueous energy storage devices using graphene nanosheets synthesized by green route

Dattakumar Mhamane, Anil Suryawanshi, Abhik Banerjee, Vanchiappan Aravindan, Satishchandra Ogale, and Madhavi Srinivasan

In this paper we report the use of triethylene glycol reduced graphene oxide (TRGO) as an electrode material for non-aqueous energy storage devices such as supercapacitors and Li-ion batteries. TRGO based non-aqueous symmetric supercapacitor is constructed and shown to deliver maximum energy and power densities of 60.4Wh/kg and 0.15 kW/kg, respectively. More importantly, symmetric supercapacitor shows an extraordinary cycleability (5000 cycles) with over 80% of capacitance retention.

AIP Advances 3, 042112 (2013)

 

RH 042125

Electrostatic properties of few-layer MoS2 films

Guolin Hao, Zongyu Huang, Yundan Liu, Xiang Qi, Long Ren, Xiangyang Peng, Liwen Yang, Xiaolin Wei, and Jianxin Zhong

Two-dimensional MoS2-based materials are considered to be one of the most attractive materials for next-generation nanoelectronics. The electrostatic properties are important in designing and understanding the performance of MoS2-based devices. By using Kelvin probe force microscopy, we show that few-layer MoS2 sheets exhibit uniform surface potential and charge distributions on their surfaces but have relatively lower surface potentials on the edges, folded areas as well as defect grain boundaries.

AIP Advances 3, 042125 (2013)

 

RH 042126

Failure of classical elasticity in auxetic foams

J. H. Roh, C. B. Giller, P. H. Mott, and C. M. Roland

Poisson's ratio, ν, was measured for four materials, a rubbery polymer, a conventional soft foam, and two auxetic foams. We find that for the first two materials, having ν ≥ 0.2, the experimental determinations of Poisson's ratio are in good agreement with values calculated from the shear and tensile moduli using the equations of classical elasticity. However, for the two auxetic materials (ν < 0), the equations of classical elasticity give values significantly different from the measured ν.

AIP Advances 3, 042126 (2013)

 

RH 042137

Reconfigurable resistive switching devices based on individual tungsten trioxide nanowires

Jie Guo, Yong Zhou, Huajun Yuan, Ding Zhao, Yanling Yin, Kuo Hai, Yuehua Peng, Weichang Zhou, and Dongsheng Tang

In the two-terminal Au/WO3 nanowire/Au electronic device with two Schottky barriers, drifting of oxygen vacancies under strong electric field induced by the bias voltage applied at short distance will result in the effective width of the reverse biased Schottky barrier decreasing, and then result in the memristive effect or resistive switching phenomenon. By unidirectional bias voltage sweeping, the Au/WO3 Schottky contact can be turned gradually and reversibly into Ohmic contact, and then the two-terminal Au/WO3 nanowire/Au resistive switching device can be reconfigured gradually and reversibly from non-rectifying state to either a forward or reverse rectifying state.

AIP Advances 3, 042137 (2013)

 


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AIP Advances Thanks Its Referees

The Editors wish to express their appreciation to the referees for their conscientious efforts on behalf of the journal in 2012. Click here for a list.


A note from the Editors on the Special Topic:
Physics in China

Community Voices

 

"On page 3, the conversion factor stated for the KPFM determined surface potential U to the surface charge density "sigma" is incorrect. ....."

Nikolaus Knorr, Jan 15, 2013
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"The main claim of the paper that the peaks of the magnetisation and the demagnetisation data should occur at the same temperature is not correct...."

Christian Bahl, Apr 15, 2013
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"Eq(50) describes experimental data density-temperature near critical point with the accuracy of scaling models. Eq (50) gives critical exponent in leading term of CC diameter ....."

Alexander Taterenko, Apr 15, 2013
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"The quantum entanglement systems are described by entangled states that could not be decomposed into products of single particle states. Moreover, entanglement in condensed matter systems based on phonon modes has also attracted research interest. ...."

Joel Taylor, Apr 21, 2013
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“Some of the notions in this paper regarding the nature of chemical reaction between the hydroquinone/methanol solution and the Si surface, and the comparison between hydroquinone and quinhydron reaction were proven to be incomplete. …”

Rotem Har-Lavan, Feb 28, 2013
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"... Remarkably the same distribution of particles obtained from light scattering and electron microscopy. Results of magnetic, structural and microscopic characterization of the wonderful agreement."

Sergey Komogortsev, 2 July 2012
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"Very interesting article although very long. The illustrations are very good . It is to be noted however that Eq.8 is well known, so I cannot understand why the authors decided to derive it."

Nikolay Bebenin, 31 July 2012
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"... This work was done by a multidisciplinary team including members from areas such as electrophysics, physical chemistry, condensed matter, applied magnetism and microwaves. Having the advantage of a multidisciplinary approach offered by AIP Advances, we decided to write a complete study with all the necessary details and at a level accessible to readers with different backgrounds, ..."

Galina Kurlyandskaya, 1 August 2012
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"the authors have proposed a novel exact formalism to determine the Born exponent for ionic solids. The Born exponents they have calculated compares well with the empirical data."

Jissy AK, 2 February 2012
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"...your questions certainly hit important issues. the loss of a measured signal at low concentration could indicate a "noise floor" for the quantity of mobility...."

Alan Johnson, 25 January 2012
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"Nice article. I have just a few questions: Why does the mobility abruptly become concentration-independent below 10^5 cfu/ml ?..."

Tyler Engstrom, 24 January 2012
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"The article demonstrates the intricate physics of nanoclusters and how Au309 melts from within...."

Ayan Datta, 18 January 2012
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"We would like to thank Dr. Kolmogortcev for interesting discussion and for bringing all the earlier works about FMR in powders embedded in various fillers to our attention….”

Galina Kurlyandskaya, 29 March 2012

"The paper presents a new method of spherical magnetite nanoparticles synthesis which has undoubted potential for application. The thorough characterization of the samples was performed and clear arguments of particles sphericity were given on the base of TEM images, FMR and magnetic measurements….”

Sergey Komogortsev, 26 March 2012

"A very interesting work, presenting a quite original method for obtaining magnetic nanoparticles of iron oxide and a complete characterization of the so obtained samples, with a broad range of complementary techniques."

Ricardo Lopez Anton, 21 October 2011
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"an interesting article that documents a novel approach to the generation of few-layer graphene films with varying numbers of layers on a single substrate in a controlled manner...."

Alan Johnson, 3 October 2011
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"...S. Dhar at National University of Singapore and colleagues have developed an ingenious experiment approach using laser ablation to selectively grow various graphene layers..."

Wilfrid Prellier, 20 May 2011
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Announcements

AIP Advances congratulates Executive Editor Prof. Enge G. Wang on his appointment as the 26th President of Peking University for a 5 year term.


CrossMark Implemented on AIP journals

crossmarkAIP Publishing is dedicated to scientific accuracy and integrity and as a result has implemented CrossMark on its publications. As of December 2012, a CrossMark logo will appear on an HTML page or PDF file indicating that the publisher is maintaining the published document through any updates, corrections, enhancements, retractions, and other such changes. Clicking the CrossMark logo reveals status information about the document and tells readers whether they are accessing the most recent and reliable version or not. A link to any updated version will be included. You can learn more about CrossMark from the CrossRef website.


The 2012 Nobel Prize in Physics

Nobel Medal for Physics and Chemistry The American Institute of Physics congratulates this year's Nobel Laureates in Physics, Serge Haroche and David J. Wineland “for ground-breaking experimental methods that enable measuring and manipulation of individual quantum systems."


Special Topic on Physics of Cancer
AIP Advances Executive Editor Robert Austin and other respected scientists have contributed papers to this special topic section that examines the behavior of tumors from the physical, genomic and biological perspectives. The main themes for the special section came from a workshop held in June 2011 at Princeton Physical Sciences Oncology Center, one of twelve such centers funded by the US NIH's National Cancer Institute.
Read the Preface | Read the Articles | Research Highlights

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