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Showing 1 to 12 of 342 entries
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Single-molecule magnet behaviour in polynuclear assembly of trivalent cerium ions with polyoxomolybdates.

Dalton transactions (Cambridge, England : 2003)

Khélifa AB, Belkhiria MS, Huang G, Freslon S, Guillou O, Bernot K.
PMID: 26314612
Dalton Trans. 2015 Oct 07;44(37):16458-64. doi: 10.1039/c5dt02377g.

An isopolyoxomolybdate-based POM is coordinated to trivalent cerium ions to afford a hybrid complex namely, [Ce(dmso)8][Ce(η2-NO3)2(dmso)4(α-Mo8O26)0.5][Mo6O19]. The original electrostatic environment created around the Ce(III) by its coordination to the isopolyoxomolybdate core induces complex single-molecule magnet behavior.

When compliments do not hit but critiques do: an fMRI study into self-esteem and self-knowledge in processing social feedback.

Social cognitive and affective neuroscience

van Schie CC, Chiu CD, Rombouts SARB, Heiser WJ, Elzinga BM.
PMID: 29490088
Soc Cogn Affect Neurosci. 2018 Apr 01;13(4):404-417. doi: 10.1093/scan/nsy014.

The way we view ourselves may play an important role in our responses to interpersonal interactions. In this study, we investigate how feedback valence, consistency of feedback with self-knowledge and global self-esteem influence affective and neural responses to social...

Reduction of earth alkaline metal salts in THF solution studied by picosecond pulse radiolysis.

The journal of physical chemistry. A

Ma J, Archirel P, Schmidhammer U, Teuler JM, Pernot P, Mostafavi M.
PMID: 24295340
J Phys Chem A. 2013 Dec 27;117(51):14048-55. doi: 10.1021/jp410598y. Epub 2013 Dec 10.

Picosecond pulse radiolysis of tetrahydrofuran (THF) solutions containing earth alkaline metal salt, M(II)(ClO4)2, at different concentrations are performed using two different supercontinua as probe pulse, one covering the visible and another the near-infrared (NIR) down to the visible. Two...

Unraveling the crystal structure of lanthanide-murexide complexes: use of an ancient complexometry indicator as a near-infrared-emitting single-ion magnet.

Chemistry (Weinheim an der Bergstrasse, Germany)

Yi X, Bernot K, Le Corre V, Calvez G, Pointillart F, Cador O, Le Guennic B, Jung J, Maury O, Placide V, Guyot Y, Roisnel T, Daiguebonne C, Guillou O.
PMID: 24402683
Chemistry. 2014 Feb 03;20(6):1569-76. doi: 10.1002/chem.201303833. Epub 2014 Jan 08.

Herein, we provide some structural evidence of the complexation color-change of murexide solutions in presence of lanthanide, which has been used for decades in complexometric studies. For Ln = Sm to Lu and Y, the compounds crystallize as monomeric...

Titanium-based silicide quantum dot superlattices for thermoelectrics applications.

Nanotechnology

Savelli G, Stein SS, Bernard-Granger G, Faucherand P, Montès L, Dilhaire S, Pernot G.
PMID: 26086207
Nanotechnology. 2015 Jul 10;26(27):275605. doi: 10.1088/0957-4484/26/27/275605. Epub 2015 Jun 18.

Ti-based silicide quantum dot superlattices (QDSLs) are grown by reduced-pressure chemical vapor deposition. They are made of titanium-based silicide nanodots scattered in an n-doped SiGe matrix. This is the first time that such nanostructured materials have been grown in...

Changes in (32)P-phosphorus compounds during translocation in Laminaria digitata (L.) lamouroux.

Planta

Floc'h JY, Penot M.
PMID: 24408267
Planta. 1978 Jan;143(1):101-7. doi: 10.1007/BF00389058.

(32)P was applied to a Laminaria digitata thallus and the pattern of (32)P phosphorylated compounds was studied, as a function of time, in the different tissues involved in translocation, i.e. source, pathway and sinks. The results showed that, 3...

Analysis of the electrostatics in Dy(III) single-molecule magnets: the case study of Dy(Murex)3.

Dalton transactions (Cambridge, England : 2003)

Jung J, Yi X, Huang G, Calvez G, Daiguebonne C, Guillou O, Cador O, Caneschi A, Roisnel T, Le Guennic B, Bernot K.
PMID: 26435506
Dalton Trans. 2015 Nov 07;44(41):18270-5. doi: 10.1039/c5dt03345d. Epub 2015 Oct 05.

A Dy(III)-based single-molecule magnet is reported. Ab initio calculations highlight that molecular symmetry plays a predominant role over site symmetry in determining the shape and orientation of Dy(III) magnetic anisotropy. Moreover the dipolar component of the electrostatic potential created...

In situ biasing and off-axis electron holography of a ZnO nanowire.

Nanotechnology

den Hertog M, Donatini F, McLeod R, Monroy E, Sartel C, Sallet V, Pernot J.
PMID: 28994395
Nanotechnology. 2018 Jan 12;29(2):025710. doi: 10.1088/1361-6528/aa923c.

Quantitative characterization of electrically active dopants and surface charges in nano-objects is challenging, since most characterization techniques using electrons [1-3], ions [4] or field ionization effects [5-7] study the chemical presence of dopants, which are not necessarily electrically active....

Analysis of the Magnetic Exchange Interactions in Yttrium(III) Complexes Containing Nitronyl Nitroxide Radicals.

Inorganic chemistry

Jung J, Puget M, Cador O, Bernot K, Calzado CJ, Le Guennic B.
PMID: 28558238
Inorg Chem. 2017 Jun 19;56(12):6788-6801. doi: 10.1021/acs.inorgchem.6b02952. Epub 2017 May 30.

We report a combined theoretical and experimental investigation of the exchange interactions governing the magnetic behavior of a series of nitronyl nitroxide (NIT)-based Y(III) complexes, i.e., Y(hfac)

Electron-induced growth mechanism of conducting polymers: a coupled experimental and computational investigation.

The journal of physical chemistry. B

Coletta C, Cui Z, Archirel P, Pernot P, Marignier JL, Remita S.
PMID: 25822000
J Phys Chem B. 2015 Apr 23;119(16):5282-98. doi: 10.1021/acs.jpcb.5b02632. Epub 2015 Apr 15.

Pulse radiolysis was used to study the mechanism of HO(•)-induced polymerization of poly(3,4-ethylenedioxythiophene), PEDOT, in aqueous solution. A step-by-step mechanism has been found which involves a recurrent oxidation process by HO(•) hydroxyl radicals produced by water radiolysis. Furthermore, the...

Direct imaging of p-n junction in core-shell GaN wires.

Nano letters

Tchoulfian P, Donatini F, Levy F, Dussaigne A, Ferret P, Pernot J.
PMID: 24837761
Nano Lett. 2014 Jun 11;14(6):3491-8. doi: 10.1021/nl5010493. Epub 2014 May 29.

While core-shell wire-based devices offer a promising path toward improved optoelectronic applications, their development is hampered by the present uncertainty about essential semiconductor properties along the three-dimensional (3D) buried p-n junction. Thanks to a cross-sectional approach, scanning electron beam...

Spatial navigation, episodic memory, episodic future thinking, and theory of mind in children with autism spectrum disorder: evidence for impairments in mental simulation?.

Frontiers in psychology

Lind SE, Bowler DM, Raber J.
PMID: 25538661
Front Psychol. 2014 Dec 05;5:1411. doi: 10.3389/fpsyg.2014.01411. eCollection 2014.

This study explored spatial navigation alongside several other cognitive abilities that are thought to share common underlying neurocognitive mechanisms (e.g., the capacity for self-projection, scene construction, or mental simulation), and which we hypothesized may be impaired in autism spectrum...

Showing 1 to 12 of 342 entries