Synthesis and superconducting properties of niobium nitride nanowires and nanoribbons

U. Patel; S. Avci; Z. L. Xiao; J. Hua; S. H. Yu; Y. Ito; R. Divan; L. E. Ocola; C. Zheng; H. Claus; J. Hiller; U. Welp; D. J. Miller; W. K. Kwok

doi:10.1063/1.2800809

Synthesis and superconducting properties of niobium nitride nanowires and nanoribbons

U. Patel^*, S. Avci, Z. L. Xiao, J. Hua, S. H. Yu, Y. Ito, R. Divan, L. E. Ocola, C. Zheng, H. Claus, J. Hiller, U. Welp, D. J. Miller, W. K. Kwok

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

30 Citations (Scopus)

Abstract

Superconducting niobium nitride wires and ribbons with transverse dimensions down to tens of nanometers were synthesized by annealing Nb Se3 nanostructure precursors in flowing ammonia gas at temperatures up to 1000 °C. Their critical temperatures increase with increasing annealing temperatures and reach 9-11.2 K when sintered at 950 °C or above. X-ray diffraction analyses identified Nb4 N5 and Nb5 N6 phases, dominating at annealing temperatures below and above 950 °C, respectively. Transport measurements show magnetoresistance oscillations at temperatures near the superconducting transition due to vortex-row confinement effects and voltage jumps in current-voltage characteristics at low temperatures attributed to hot-spot behavior.

Original language	English
Article number	162508
Journal	Applied Physics Letters
Volume	91
Issue number	16
DOIs	https://doi.org/10.1063/1.2800809
Publication status	Published - 2007
Externally published	Yes

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title = "Synthesis and superconducting properties of niobium nitride nanowires and nanoribbons",

abstract = "Superconducting niobium nitride wires and ribbons with transverse dimensions down to tens of nanometers were synthesized by annealing Nb Se3 nanostructure precursors in flowing ammonia gas at temperatures up to 1000 °C. Their critical temperatures increase with increasing annealing temperatures and reach 9-11.2 K when sintered at 950 °C or above. X-ray diffraction analyses identified Nb4 N5 and Nb5 N6 phases, dominating at annealing temperatures below and above 950 °C, respectively. Transport measurements show magnetoresistance oscillations at temperatures near the superconducting transition due to vortex-row confinement effects and voltage jumps in current-voltage characteristics at low temperatures attributed to hot-spot behavior.",

author = "U. Patel and S. Avci and Xiao, {Z. L.} and J. Hua and Yu, {S. H.} and Y. Ito and R. Divan and Ocola, {L. E.} and C. Zheng and H. Claus and J. Hiller and U. Welp and Miller, {D. J.} and Kwok, {W. K.}",

year = "2007",

doi = "10.1063/1.2800809",

language = "English",

volume = "91",

journal = "Applied Physics Letters",

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publisher = "American Institute of Physics",

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TY - JOUR

T1 - Synthesis and superconducting properties of niobium nitride nanowires and nanoribbons

AU - Patel, U.

AU - Avci, S.

AU - Xiao, Z. L.

AU - Hua, J.

AU - Yu, S. H.

AU - Ito, Y.

AU - Divan, R.

AU - Ocola, L. E.

AU - Zheng, C.

AU - Claus, H.

AU - Hiller, J.

AU - Welp, U.

AU - Miller, D. J.

AU - Kwok, W. K.

PY - 2007

Y1 - 2007

N2 - Superconducting niobium nitride wires and ribbons with transverse dimensions down to tens of nanometers were synthesized by annealing Nb Se3 nanostructure precursors in flowing ammonia gas at temperatures up to 1000 °C. Their critical temperatures increase with increasing annealing temperatures and reach 9-11.2 K when sintered at 950 °C or above. X-ray diffraction analyses identified Nb4 N5 and Nb5 N6 phases, dominating at annealing temperatures below and above 950 °C, respectively. Transport measurements show magnetoresistance oscillations at temperatures near the superconducting transition due to vortex-row confinement effects and voltage jumps in current-voltage characteristics at low temperatures attributed to hot-spot behavior.

AB - Superconducting niobium nitride wires and ribbons with transverse dimensions down to tens of nanometers were synthesized by annealing Nb Se3 nanostructure precursors in flowing ammonia gas at temperatures up to 1000 °C. Their critical temperatures increase with increasing annealing temperatures and reach 9-11.2 K when sintered at 950 °C or above. X-ray diffraction analyses identified Nb4 N5 and Nb5 N6 phases, dominating at annealing temperatures below and above 950 °C, respectively. Transport measurements show magnetoresistance oscillations at temperatures near the superconducting transition due to vortex-row confinement effects and voltage jumps in current-voltage characteristics at low temperatures attributed to hot-spot behavior.

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U2 - 10.1063/1.2800809

DO - 10.1063/1.2800809

M3 - Article

AN - SCOPUS:35549000965

SN - 0003-6951

VL - 91

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 16

M1 - 162508

ER -

Synthesis and superconducting properties of niobium nitride nanowires and nanoribbons

Abstract

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