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Showing 1 to 12 of 324 entries
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Electric field induced phase transitions in polymers: a novel mechanism for high speed energy storage.

Physical review letters

Ranjan V, Nardelli MB, Bernholc J.
PMID: 22463575
Phys Rev Lett. 2012 Feb 24;108(8):087802. doi: 10.1103/PhysRevLett.108.087802. Epub 2012 Feb 23.

Using first-principles simulations, we identify the microscopic origin of the nonlinear dielectric response and high energy density of polyvinylidene-fluoride-based polymers as a cooperative transition path that connects nonpolar and polar phases of the system. This path explores a complex...

Clonal evolution and resistance to EGFR blockade in the blood of colorectal cancer patients.

Nature medicine

Siravegna G, Mussolin B, Buscarino M, Corti G, Cassingena A, Crisafulli G, Ponzetti A, Cremolini C, Amatu A, Lauricella C, Lamba S, Hobor S, Avallone A, Valtorta E, Rospo G, Medico E, Motta V, Antoniotti C, Tatangelo F, Bellosillo B, Veronese S, Budillon A, Montagut C, Racca P, Marsoni S, Falcone A, Corcoran RB, Di Nicolantonio F, Loupakis F, Siena S, Sartore-Bianchi A, Bardelli A.
PMID: 26151329
Nat Med. 2015 Jul;21(7):827. doi: 10.1038/nm0715-827b.

No abstract available.

Topic: Inguinal Hernia - Unsolved Problem in The daily practice.

Hernia : the journal of hernias and abdominal wall surgery

Tantia O, Chaudhuri T, Khanna S, Santilli O, Nardelli N, Santilli H, Sakurai S, Shimada G.
PMID: 26518854
Hernia. 2015 Apr;19:S367-8. doi: 10.1007/BF03355399.

No abstract available.

Convergence of multi-valley bands as the electronic origin of high thermoelectric performance in CoSb3 skutterudites.

Nature materials

Tang Y, Gibbs ZM, Agapito LA, Li G, Kim HS, Nardelli MB, Curtarolo S, Snyder GJ.
PMID: 26436339
Nat Mater. 2015 Dec;14(12):1223-8. doi: 10.1038/nmat4430. Epub 2015 Oct 05.

Filled skutterudites R(x)Co4Sb12 are excellent n-type thermoelectric materials owing to their high electronic mobility and high effective mass, combined with low thermal conductivity associated with the addition of filler atoms into the void site. The favourable electronic band structure...

Introduction of a new health technology into a provincial health system: A case study of insulin pump therapy.

Healthcare management forum

Menon D, Stafinski T, Nardelli A, Edwards A.
PMID: 26227318
Healthc Manage Forum. 2015 Sep;28(5):210-4. doi: 10.1177/0840470415598328. Epub 2015 Jul 29.

Decisions on the introduction of new non-drug health technologies into healthcare are challenging. This article describes the introduction of insulin pump therapy for type 1 diabetes in Alberta, using an Access with Evidence Development (AED) approach. The organization and...

Ab initio studies of polarization and piezoelectricity in vinylidene fluoride and BN-based polymers.

Physical review letters

Nakhmanson SM, Nardelli MB, Bernholc J.
PMID: 15089148
Phys Rev Lett. 2004 Mar 19;92(11):115504. doi: 10.1103/PhysRevLett.92.115504. Epub 2004 Mar 18.

Highly piezoelectric and pyroelectric phases of boron-nitrogen-based polymers have been designed from first principles. They offer excellent electrical and structural properties, with up to 100% improvement in the piezoelectic response and an enhanced thermal stability with respect to polyvinylidene...

The interface phase and the Schottky barrier for a crystalline dielectric on silicon.

Science (New York, N.Y.)

McKee RA, Walker FJ, Nardelli MB, Shelton WA, Stocks GM.
PMID: 12805542
Science. 2003 Jun 13;300(5626):1726-30. doi: 10.1126/science.1083894.

The barrier height for electron exchange at a dielectric-semiconductor interface has long been interpreted in terms of Schottky's theory with modifications from gap states induced in the semiconductor by the bulk termination. Rather, we show with the structure specifics...

Ab initio correlation effects on the electronic and transport properties of metal(II)-phthalocyanine-based devices.

Nanotechnology

Calzolari A, Ferretti A, Nardelli MB.
PMID: 21730446
Nanotechnology. 2007 Oct 24;18(42):424013. doi: 10.1088/0957-4484/18/42/424013. Epub 2007 Sep 13.

Using first-principles calculations in the framework of density functional theory, we investigated the electronic and transport properties of metal(II)-phthalocyanine (M(II)Pc) systems, both in a single-molecule configuration and in a model device geometry. In particular, using copper(II)-Pc and manganese(II)-Pc as...

Local structure of Sr(2)FeMo(x)W(1-x)O(6) double perovskites across the composition-driven metal to insulator transition.

Journal of physics. Condensed matter : an Institute of Physics journal

Bardelli F, Meneghini C, Mobilio S, Ray S, Sarma DD.
PMID: 21825489
J Phys Condens Matter. 2009 May 13;21(19):195502. doi: 10.1088/0953-8984/21/19/195502. Epub 2009 Apr 07.

Sr(2)FeMoO(6) oxides exhibit a half-metallic ferromagnetic (HM-FM) ground state and peculiar magnetic and magnetotransport properties, which are interesting for applications in the emerging field of spintronics and attractive for fundamental research in the field of heavily correlated electron systems....

Synthesis of cyclic thioethers through tandem C(sp3)-S and C(sp2)-S bond formations from alpha,beta'-dichloro vinyl ketones.

The Journal of organic chemistry

Oh K, Kim H, Cardelli F, Bwititi T, Martynow AM.
PMID: 18278938
J Org Chem. 2008 Mar 21;73(6):2432-4. doi: 10.1021/jo702457t. Epub 2008 Feb 16.

The synthesis of 5- to 8-memebered cyclic thioethers 4 has been achieved through a simple two-step sequence. The present methodology utilizes the facile Friedel-Crafts acylation of terminal alkynes 1 with acid chlorides 2 followed by tandem C(sp(3))-S and C(sp(2))-S...

Band structure and quantum conductance of nanostructures from maximally localized Wannier functions: the case of functionalized carbon nanotubes.

Physical review letters

Lee YS, Nardelli MB, Marzari N.
PMID: 16196812
Phys Rev Lett. 2005 Aug 12;95(7):076804. doi: 10.1103/PhysRevLett.95.076804. Epub 2005 Aug 10.

We have combined large-scale, tau-point electronic-structure calculations with the maximally localized Wannier functions approach to calculate efficiently the band structure and the quantum conductance of complex systems containing thousands of atoms while maintaining full first-principles accuracy. We have applied...

EXAFS and XANES investigation of (Li, Ni) codoped ZnO thin films grown by pulsed laser deposition.

Journal of physics. Condensed matter : an Institute of Physics journal

Mino L, Gianolio D, Bardelli F, Prestipino C, Senthil Kumar E, Bellarmine F, Ramanjaneyulu M, Lamberti C, Ramachandra Rao MS.
PMID: 23988792
J Phys Condens Matter. 2013 Sep 25;25(38):385402. doi: 10.1088/0953-8984/25/38/385402. Epub 2013 Aug 30.

Ni doped, Li doped and (Li, Ni) codoped ZnO thin films were successfully grown using a pulsed laser deposition technique. Undoped and doped ZnO thin films were investigated using extended x-ray absorption fine structure (EXAFS) and x-ray absorption near...

Showing 1 to 12 of 324 entries