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4 article(s) from Toimil-Molares, Maria Eugenia

Magnetism and magnetoresistance of single Ni–Cu alloy nanowires

Andreea Costas,
Camelia Florica,
Elena Matei,
Maria Eugenia Toimil-Molares,
Ionel Stavarache,
Andrei Kuncser,
Victor Kuncser and
Ionut Enculescu

Beilstein J. Nanotechnol. 2018, 9, 2345–2355, doi:10.3762/bjnano.9.219

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Figure 1: (a, c, d) SEM images (at different magnifications) of a Ni–Cu alloy nanowire grown electrochemicall...

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Figure 2: Magnetoresistance measurements obtained on the four single Ni–Cu alloy nanowires analyzed (correspo...

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Figure 3: The perpendicular magnetoresistance as a function of the induction of the magnetic field (left colu...

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Figure 4: Hysteresis loops showing the average magnetic moment of Ni atoms as a function of the applied magne...

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Figure 5: Magnetization reversal in almost perpendicular geometry at two different values of saturation magne...

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Figure 6: Magnetization reversal in almost perpendicular geometry in Ni–Cu alloy nanowires with diameters of ...

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Figure 7: Saturation field strength as a function of the spontaneous magnetization obtained by micromagnetic ...

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Figure 8: (a) Ni–Cu alloy nanowires placed on SiO2/Si substrates between the interdigitated metallic electrod...

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Full Research Paper

Published 30 Aug 2018

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Growth and morphological analysis of segmented AuAg alloy nanowires created by pulsed electrodeposition in ion-track etched membranes

Ina Schubert,
Loic Burr,
Christina Trautmann and
Maria Eugenia Toimil-Molares

Beilstein J. Nanotechnol. 2015, 6, 1272–1280, doi:10.3762/bjnano.6.131

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Figure 1: CVs using an electrolyte containing 50 mM KAu(CN)₂ (blue line), an electrolyte containing 50 mM KAg...

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Figure 2: (a) Two pulse sequences applied for the electrodeposition of two arrays of segmented nanowires. The...

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Figure 3: SEM images of Au₆₀Ag₄₀/Au₁₅Ag₈₅/Au₆₀Ag₄₀ nanowires similar to Figure 2. The length of the middle pulse is d...

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Figure 4: (a) Segment length of the silver segment versus pulse length for wires corresponding to six differe...

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Figure 5: (a) SEM image of two segmented nanowires obtained from a pulse sequence of 6 pulses at −1.1 V for 2...

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Full Research Paper

Published 08 Jun 2015

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Electrical properties of single CdTe nanowires

Elena Matei,
Camelia Florica,
Andreea Costas,
María Eugenia Toimil-Molares and
Ionut Enculescu

Beilstein J. Nanotechnol. 2015, 6, 444–450, doi:10.3762/bjnano.6.45

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Figure 1: SEM micrographs of CdTe nanowires deposited at (a) −400 mV; (b) −500 mV; (c) −550 mV; (d) −600 mV; ...

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Figure 2: (a) EDX spectra for a series of samples prepared at different electrode potentials; (b) Cd content ...

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Figure 3: (a) Spectral reflectance curve and (b) Kubelka–Munk representation for band gap determination of Cd...

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Figure 4: (a) The system of electrodes produced by lithography for contacting the nanowire; (b) an image of a...

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Figure 5: (a) Current–voltage characteristics for a CdTe nanowire contacted by FIBIM; (b) Current–voltage cha...

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Published 12 Feb 2015

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Characterization and properties of micro- and nanowires of controlled size, composition, and geometry fabricated by electrodeposition and ion-track technology

Maria Eugenia Toimil-Molares

Beilstein J. Nanotechnol. 2012, 3, 860–883, doi:10.3762/bjnano.3.97

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Figure 1: (a) Track-etched membrane illustrating the porosity regime available by means of ion-track technolo...

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Figure 2: (a) Energy loss as a function of specific ion energy. The dashed lines separate the different regim...

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Figure 3: SEM images displaying the cross sections of the following membranes: (a) cylindrical channels in PI...

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Figure 4: Schematic of etching equipment. Symmetric etching conditions leading to cylindrical channels in (a)...

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Figure 5: (a) Photograph of a pressure-sealed electrochemical cell. (b) Schematic for the electrodeposition o...

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Figure 6: (a) Representative I–t curve and schematic of the four different deposition regimes. (b) Chronoampe...

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Figure 7: TEM images of representative Cu nanowires and lattice defects: (a) single-crystalline and (b) polyc...

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Figure 8: TEM images of representative (a) polycrystalline and (c) single-crystalline Au nanowires and (b,d) ...

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Figure 9: TEM images of Bi and Bi₂Te₃ nanowires: (a) individual single-crystalline Bi nanowire deposited unde...

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Figure 10: TEM images of Bi₁₋_xSb_x nanowires deposited at U = −200 mV versus SCE from electrolytes with Sb conc...

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Figure 11: SEM images revealing the characteristic morphology of various metallic caps: (a) polycrystalline Au...

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Figure 12: (a) SEM and (b) TEM images displaying the rough contour of Sb nanowires electrodeposited in PET mem...

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Figure 13: (a) Schema of the electrodeposition and gap-forming process. SEM images of (b) Au-rich/Ag-rich/Au-r...

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Figure 14: (a–e) Schematic of the fabrication and contacting process for a single nanowire.

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Figure 15: Specific electrical resistivity as a function of diameter of single bismuth nanowires fabricated un...

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Figure 16: Specific electrical resistivity versus wire diameter for single polycrystalline gold nanowires (amm...

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Figure 17: (a) TEM image of the single Au nanowire (length 907 nm, width 107 nm) and the corresponding high-re...

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Figure 18: HRSEM micrographs of Cu nanowires of diameter 30 nm after 30 min annealing at different temperature...

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Figure 19: TEM images and video snapshots of Cu nanowire (covered by carbon coating) recorded on four areas ma...

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Figure 20: (a–c) TEM images of a Cu nanowire close to the end of a carbon tube (field 2 in Figure 19) visualizing the f...

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Review

Published 17 Dec 2012

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