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We have studied simple and easy technique for the fabrication of planar-type nanogap-based single-electron transistors (SETs). In this method, electromigration is induced across the nanogap by a field emission current, and then the island structure is formed in the nanogap. We call this method “activation”. Previously, we have also reported that the Ni-based SETs with multiple islands are fabricated...
We present a simple and easy technique for the simultaneous control of electrical properties of multiple Ni nanogaps. This technique is based on electromigration induced by a field emission current, which is so-called “activation”. The tuning of tunnel resistance of nanogaps was simultaneously achieved by passing a Fowler-Nordheim (F-N) field emission current through three initial Ni nanogaps connected...
We report a new approach for the fabrication of nanogaps using electromigration method induced by a field emission current. The method is so-called “activation” and is demonstrated here by a current source with alternately reversing polarities. The activation procedure with alternating current bias, in which the polarity of the current source alternates between positive and negative bias, is performed...
Recently, resistive switches have been constructed from nanogap electrodes. We have already reported a simple method for the fabrication of nanogaps with well-controlled tunnel resistance, which is called “activation”. Since the activation is considered to be the method of transferring atoms across the nanogap, it is expected that a resistive switching effect is caused in the nanogaps controlled by...
We report the conduction mechanism of the single-electron transistors (SETs) fabricated by field-emission-induced electromigration, which is so-called “activation”. By applying the activation to Ni nanogaps, we were easily able to fabricate the SETs operating at room temperature. Additionally, strong Coulomb staircases were clearly obtained, and the quasi-periodic current oscillations were also observed...
We report a simple and easy method for the simultaneous control of electrical properties of multiple Ni nanogaps. This method is based on electromigration induced by a field emission current, which is the so-called “activation.” The tuning of tunnel resistance of nanogaps was simultaneously achieved by passing a Fowler-Nordheim (F-N) field emission current through three initial Ni nanogaps connected...
The 14-3-3 protein family binds a variety of proteins in cell-signaling pathways, but the structural elements necessary for the ligand binding are poorly understood. Here we demonstrate that the `box-1' region, which spans residues 171–213 in the η-isoform and was previously identified as the binding site of 14-3-3 to the phosphorylated tryptophan hydroxylase, plays a critical role in the interaction...
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