Degradation of MgB2 thin films in water

Y. Cui; J. E. Jones; A. Beckley; R. Donovan; D. Lishego; E. Maertz; A. V. Pogrebnyakov; P. Orgiani; J. M. Redwing; X. X. Xi

doi:10.1109/TASC.2005.849763

Degradation of MgB₂ thin films in water

Y. Cui, J. E. Jones, A. Beckley, R. Donovan, D. Lishego, E. Maertz, A. V. Pogrebnyakov, P. Orgiani, J. M. Redwing, X. X. Xi

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

21 Scopus citations

Abstract

We have studied the degradation of MgB₂ thin films, grown by hybrid physical-chemical vapor deposition (HPCVD), by submerging MgB₂ films into de-ionized water at different temperatures. The thickness, room temperature resistance, and superconducting transition were measured as a function of time in water and the temperature of the water. Results show that the films degrade faster at room temperature than at 0°C. The room temperature resistance increases with time. The thickness of the MgB₂ films decreases rapidly initially, but then saturates. The resultant material is amorphous and insulating. Both T_c(onset) and T_c(0) of the MgB₂ films decrease with tune in water, while the superconducting transition become broader. The effects of the exposure to other solvents and photoresist were also studied, and it was found that isopropanol does not cause MgB₂ films to degrade.

Original language	English (US)
Pages (from-to)	224-227
Number of pages	4
Journal	IEEE Transactions on Applied Superconductivity
Volume	15
Issue number	2 PART I
DOIs	https://doi.org/10.1109/TASC.2005.849763
State	Published - Jun 2005

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1109/TASC.2005.849763

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title = "Degradation of MgB2 thin films in water",

abstract = "We have studied the degradation of MgB2 thin films, grown by hybrid physical-chemical vapor deposition (HPCVD), by submerging MgB2 films into de-ionized water at different temperatures. The thickness, room temperature resistance, and superconducting transition were measured as a function of time in water and the temperature of the water. Results show that the films degrade faster at room temperature than at 0°C. The room temperature resistance increases with time. The thickness of the MgB2 films decreases rapidly initially, but then saturates. The resultant material is amorphous and insulating. Both Tc(onset) and Tc(0) of the MgB2 films decrease with tune in water, while the superconducting transition become broader. The effects of the exposure to other solvents and photoresist were also studied, and it was found that isopropanol does not cause MgB2 films to degrade.",

author = "Y. Cui and Jones, {J. E.} and A. Beckley and R. Donovan and D. Lishego and E. Maertz and Pogrebnyakov, {A. V.} and P. Orgiani and Redwing, {J. M.} and Xi, {X. X.}",

note = "Funding Information: Manuscript received October 3, 2004. This work was supported in part by NSF under Grants DMR-0306746, DMR-0103354, and DMR-0353890 (the REU site at Department of Physics, Penn State University), and in part by ONR under Grants N00014-00-1-0294 and N0014-01-1-0006.",

year = "2005",

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doi = "10.1109/TASC.2005.849763",

language = "English (US)",

volume = "15",

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AU - Cui, Y.

AU - Jones, J. E.

AU - Beckley, A.

AU - Donovan, R.

AU - Lishego, D.

AU - Maertz, E.

AU - Pogrebnyakov, A. V.

AU - Orgiani, P.

AU - Redwing, J. M.

AU - Xi, X. X.

N1 - Funding Information: Manuscript received October 3, 2004. This work was supported in part by NSF under Grants DMR-0306746, DMR-0103354, and DMR-0353890 (the REU site at Department of Physics, Penn State University), and in part by ONR under Grants N00014-00-1-0294 and N0014-01-1-0006.

PY - 2005/6

Y1 - 2005/6

N2 - We have studied the degradation of MgB2 thin films, grown by hybrid physical-chemical vapor deposition (HPCVD), by submerging MgB2 films into de-ionized water at different temperatures. The thickness, room temperature resistance, and superconducting transition were measured as a function of time in water and the temperature of the water. Results show that the films degrade faster at room temperature than at 0°C. The room temperature resistance increases with time. The thickness of the MgB2 films decreases rapidly initially, but then saturates. The resultant material is amorphous and insulating. Both Tc(onset) and Tc(0) of the MgB2 films decrease with tune in water, while the superconducting transition become broader. The effects of the exposure to other solvents and photoresist were also studied, and it was found that isopropanol does not cause MgB2 films to degrade.

AB - We have studied the degradation of MgB2 thin films, grown by hybrid physical-chemical vapor deposition (HPCVD), by submerging MgB2 films into de-ionized water at different temperatures. The thickness, room temperature resistance, and superconducting transition were measured as a function of time in water and the temperature of the water. Results show that the films degrade faster at room temperature than at 0°C. The room temperature resistance increases with time. The thickness of the MgB2 films decreases rapidly initially, but then saturates. The resultant material is amorphous and insulating. Both Tc(onset) and Tc(0) of the MgB2 films decrease with tune in water, while the superconducting transition become broader. The effects of the exposure to other solvents and photoresist were also studied, and it was found that isopropanol does not cause MgB2 films to degrade.

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Degradation of MgB₂ thin films in water

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