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Showing 1 to 12 of 350 entries
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Blocking transport resonances via Kondo many-body entanglement in quantum dots.

Nature communications

Niklas M, Smirnov S, Mantelli D, Margańska M, Nguyen NV, Wernsdorfer W, Cleuziou JP, Grifoni M.
PMID: 27526870
Nat Commun. 2016 Aug 16;7:12442. doi: 10.1038/ncomms12442.

Many-body entanglement is at the heart of the Kondo effect, which has its hallmark in quantum dots as a zero-bias conductance peak at low temperatures. It signals the emergence of a conducting singlet state formed by a localized dot...

Nuclear Spin Isomers: Engineering a Et.

Angewandte Chemie (International ed. in English)

Moreno-Pineda E, Damjanović M, Fuhr O, Wernsdorfer W, Ruben M.
PMID: 28671342
Angew Chem Int Ed Engl. 2017 Aug 07;56(33):9915-9919. doi: 10.1002/anie.201706181. Epub 2017 Jul 17.

Two dysprosium isotopic isomers were synthesized: Et

The solvent effect in an axially symmetric Fe(III)4 single-molecule magnet.

Chemical communications (Cambridge, England)

Zhu YY, Yin TT, Jiang SD, Barra AL, Wernsdorfer W, Neugebauer P, Marx R, Dörfel M, Wang BW, Wu ZQ, van Slageren J, Gao S.
PMID: 25332152
Chem Commun (Camb). 2014 Dec 11;50(95):15090-3. doi: 10.1039/c4cc07580c.

A pair of enantiopure Fe(III)4 SMMs with axial symmetry was synthesized and characterized by magnetization and high-frequency electron paramagnetic resonance methods. The results reveal that the axial symmetry of the structure is broken by the interaction of Fe(III)4 with...

Diamondoid Structure in a Metal-Organic Framework of Fe4 Single-Molecule Magnets.

Chemistry (Weinheim an der Bergstrasse, Germany)

Rigamonti L, Cotton C, Nava A, Lang H, Rüffer T, Perfetti M, Sorace L, Barra AL, Lan Y, Wernsdorfer W, Sessoli R, Cornia A.
PMID: 27356278
Chemistry. 2016 Sep 12;22(38):13705-14. doi: 10.1002/chem.201601383. Epub 2016 Jun 29.

A 3D metal-organic framework (MOF) having single-molecule magnet (SMM) linkers was prepared in crystalline form by using a tetrairon(III) complex functionalised with two divergent pyridyl groups, namely [Fe4 (pPy)2 (dpm)6 ] (1; H3 pPy=2-(hydroxymethyl)-2-(pyridin-4-yl)propane-1,3-diol, Hdpm=dipivaloylmethane). Reaction of 1 with...

A family of 'windmill'-like {Cu.

Chemical communications (Cambridge, England)

Alexandropoulos DI, Poole KM, Cunha-Silva L, Ahmad Sheikh J, Wernsdorfer W, Christou G, Stamatatos TC.
PMID: 28361136
Chem Commun (Camb). 2017 Apr 11;53(30):4266-4269. doi: 10.1039/c7cc01382e.

A family of nanosized {Cu

The effect of crystal packing and Re(IV) ions on the magnetisation relaxation of [Mn6]-based molecular magnets.

Chemistry (Weinheim an der Bergstrasse, Germany)

Martínez-Lillo J, Cano J, Wernsdorfer W, Brechin EK.
PMID: 25951415
Chemistry. 2015 Jun 08;21(24):8790-8. doi: 10.1002/chem.201500439. Epub 2015 May 07.

The energy barrier to magnetisation relaxation in single-molecule magnets (SMMs) proffers potential technological applications in high-density information storage and quantum computation. Leading candidates amongst complexes of 3d metals ions are the hexametallic family of complexes of formula [Mn6 O2...

Domain wall pinning in narrow ferromagnetic ring structures probed by magnetoresistance measurements.

Physical review letters

Kläui M, Vaz CA, Rothman J, Bland JA, Wernsdorfer W, Faini G, Cambril E.
PMID: 12689251
Phys Rev Lett. 2003 Mar 07;90(9):097202. doi: 10.1103/PhysRevLett.90.097202. Epub 2003 Mar 03.

We present a magnetoresistance study of magnetization reversal and domain wall pinning effects in a mesoscopic narrow ferromagnetic Permalloy ring structure containing notches. The size and strength of the attractive pinning potential created by a notch is measured and...

Cyanide-bridged iron(III)-cobalt(II) double zigzag ferromagnetic chains: two new molecular magnetic nanowires.

Angewandte Chemie (International ed. in English)

Lescouëzec R, Vaissermann J, Ruiz-Pérez C, Lloret F, Carrasco R, Julve M, Verdaguer M, Dromzee Y, Gatteschi D, Wernsdorfer W.
PMID: 12698479
Angew Chem Int Ed Engl. 2003 Apr 04;42(13):1483-6. doi: 10.1002/anie.200250243.

No abstract available.

Single-molecule magnets: control by a single solvent molecule of Jahn-Teller isomerism in [Mn12O12(O2CCH2Bu(t))16(H2O)4].

Chemical communications (Cambridge, England)

Soler M, Wernsdorfer W, Sun Z, Huffman JC, Hendrickson DN, Christou G.
PMID: 14649804
Chem Commun (Camb). 2003 Nov 07;(21):2672-3. doi: 10.1039/b306246e.

Faster- and slower-relaxing versions of the title Mn12 compound have been obtained in pure forms that crystallize in the same space group and differ only in the identity of one lattice solvent molecule; solvent loss causes isomerization from the...

Magnetic and optical studies on an S = 6 ground-state cluster [Cr12O9(OH)3(O2CCMe3)15]: determination of, and the relationship between, single-ion and cluster spin Hamiltonian parameters.

Inorganic chemistry

Collison D, Murrie M, Oganesyan VS, Piligkos S, Poolton NR, Rajaraman G, Smith GM, Thomson AJ, Timko GA, Wernsdorfer W, Winpenny RE, McInnes EJ.
PMID: 12924901
Inorg Chem. 2003 Aug 25;42(17):5293-303. doi: 10.1021/ic034541b.

The dodecametallic Cr(III) cluster [Cr(12)O(9)(OH)(3)(O(2)CCMe(3))(15)] has a ground spin state of S = 6 characterized by the spin Hamiltonian parameters g(ZZ)() = 1.965, g(XX)() = g(YY)() = 1.960, D(S=)()(6) = +0.088 cm(-)(1), and E(S=)()(6) = 0 (where D and...

Nuclear spin driven quantum relaxation in LiY0.998Ho0.002F4.

Physical review letters

Giraud R, Wernsdorfer W, Tkachuk AM, Mailly D, Barbara B.
PMID: 11497804
Phys Rev Lett. 2001 Jul 30;87(5):057203. doi: 10.1103/PhysRevLett.87.057203. Epub 2001 Jul 17.

Staircaselike hysteresis loops of the magnetization of a LiY0.998Ho0.002F4 single crystal are observed at subkelvin temperatures and low field sweep rates. This behavior results from quantum dynamics at avoided level crossings of the energy spectrum of single Ho3+ ions...

Turning up the spin, turning on single-molecule magnetism: from S = 1 to S = 7 in a [Mn(8)] cluster via ligand induced structural distortion.

Chemical communications (Cambridge, England)

Milios CJ, Inglis R, Vinslava A, Prescimone A, Wernsdorfer W, Parsons S, Perlepes SP, Christou G, Brechin EK.
PMID: 17594038
Chem Commun (Camb). 2007 Jul 14;(26):2738-40. doi: 10.1039/b703089d. Epub 2007 May 03.

The spin ground state of a [Mn(III)(6)Mn(II)(2)] cluster has been deliberately switched from S = 1 to S = 7 upon designed ligand substitution.

Showing 1 to 12 of 350 entries