Rapid crystallization of silicon films using pulsed current-induced joule heating

Sameshima, Toshiyuki; Kaneko, Y.; Andoh, Nobuyuki

doi:10.1016/s0022-3093(01)01109-7

Cited by 4 publications

(5 citation statements)

References 12 publications

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“…Joule-heating by supplying a current to wire is known to be an effective method for the heat treatment of thin wire [13][14][15][16][17][18][19]. Because copper has a small heat capacity (0.385 J/g o C), the temperature of small-scale copper wire can be easily increased by passing a current [20].…”

Section: Introductionmentioning

confidence: 99%

Effect of Joule-Heating Treatment on the Microstructure and Physical Properties of 16-Stranded Compressed Copper Wires

Choi¹,

Im²,

Kang³

et al. 2021

Korean J. Met. Mater.

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Compressed wires are produced by cross-sectionally compressing stranded conductors, which results in a smaller conductor diameter. This also leads to a lower weight wire, because a thinner external insulated coating can be used, compared to the low-voltage wires typically used in automobiles. However, a post production heat treatment of the compressed wires is required because plastic deformation occurs during compression after drawing the wires. In this study, the work hardening of stranded compressed copper wires was controlled by Joule-heating, and the resulting changes in microstructure, mechanical, and electrical properties after various annealing voltages (0, 25, 27, 31, 35, and 39 V) were observed. The results confirmed that as the annealing voltage increased from 0 to 31 V, the anisotropic deformation texture with a <111> orientation as the main component was reduced, and micrograins were generated throughout the stranded wires via recrystallization. At an annealing voltage above 31 V, the grains grew to be more than twice as large as those before heat treatment. At an annealing voltage of 31 V these structural changes contribute to the elongation increase of the compressed wires to 28.34%, and an improvement in electrical resistance to 145.85 mΩ.

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Section: Introductionmentioning

confidence: 99%

Effect of Joule-Heating Treatment on the Microstructure and Physical Properties of 16-Stranded Compressed Copper Wires

Choi¹,

Im²,

Kang³

et al. 2021

Korean J. Met. Mater.

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“…The application of electric field to silicon semiconductors materials is used to modify the melt convection mode in the Czochralski growth configuration [1][2][3] and to control the structures at the surface of the crystal. [4][5][6] Watanabe et al 3) developed a new crystal growth technique which uses electromagnetic force to obtain large-diameter, high-quality silicon crystals containing homogeneously distributed oxygen in the concentration required for ULSI device processing. Sameshima and Ozaki 5) reported a crystallization method which involves pulsed-electrical current-induced heating of silicon films in order to fabricate large crystalline grains.…”

Section: Introductionmentioning

confidence: 99%

Numerical Analysis for the Application of Electric Current to Silicon Semiconducting Materials

Wang¹

2005

Jpn. J. Appl. Phys.

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Neutral fragments from the 248 nm laser ablation of polyarylsulfone (PAS) were investigated using laser post ionization (193 nm) time-of-flight (TOF) mass spectroscopy. Three regimes of ablation fluence were distinguished with respect to detected fragments and differences in their velocity distributions. Over the entire fluence range the arrival profiles of the products matched with a shifted Maxwell-Boltzmann distribution. Interestingly, average translational velocities revealed a nonmonotonical dependency on ablation fluence. This is probably be due to screening effects of the ablation pulse by the plume, or to non-thermal effects that may contribute to the ablation process at high fluences. The dependencies of both the flight velocities and the Knudsen layer temperature of the fragments on fluence suggest that PAS ablation is photothermally driven. However, the excessively high values for average translational energies (up to 34 eV at high fluences) and their increases with increasing fragments amu indicate that the process also has some non-thermal features.

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“…12,13) The heat treatment of micro-and nanomaterials, which have a unique crystalline structure compared with their bulk counterparts, has been performed, and changes in the crystalline structure and physical properties of these materials due to the heat treatment have been investigated. For the heat treatment of thin wires, in particular, it has been verified by experiment [3][4][5][6][7][8] and simulation 9) that inducing Joule heating by supplying a current to the wire is an effective method. Joule heating has also been used to join small-scale materials, e.g., carbon nanotubes 14,15) and micro=nanowires, [16][17][18] together.…”

mentioning

confidence: 97%

“…T he crystalline structure of polycrystalline metals can be modified by applying heat [1][2][3][4][5][6][7][8][9][10][11] or force. 12,13) The heat treatment of micro-and nanomaterials, which have a unique crystalline structure compared with their bulk counterparts, has been performed, and changes in the crystalline structure and physical properties of these materials due to the heat treatment have been investigated.…”

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confidence: 99%

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Fast and uniform heating of Cu microwires using electrical current

Tohmyoh

Matsudo

2015

Appl. Phys. Express

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A fast and uniform heat treatment of 25-µm-thick Cu microwires was realized with Joule heating. To control the thermal boundary conditions around a wire, a constant direct current was supplied to the wire under vacuum conditions using current probes with sufficient heat capacity, and a uniform temperature distribution was realized in the wire. The grain size of the wire increased with the time for which current was supplied, and reached saturation within 10 s.

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Rapid crystallization of silicon films using pulsed current-induced joule heating

Cited by 4 publications

References 12 publications

Effect of Joule-Heating Treatment on the Microstructure and Physical Properties of 16-Stranded Compressed Copper Wires

Effect of Joule-Heating Treatment on the Microstructure and Physical Properties of 16-Stranded Compressed Copper Wires

Numerical Analysis for the Application of Electric Current to Silicon Semiconducting Materials

Fast and uniform heating of Cu microwires using electrical current

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