Niobium Nitride hmoov, NbN

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Niobium Nitride hmoov, NbN

Daj daj nrog qhov zas daj. Tus txheeb ze ceev kev 8.47I melting point 2300 ℃; Tshav kub ntawm tsim -237.8kj / mol; Mohs hardness 8, micro tawv 14.3GPA; Kev ntsuas siab 200U. Cm. Nws ua superconducting kev hloov pauv qhov kub thiab txias yog 15.6 K.


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Niobium Nitride
CAS: 24621-21-4
EINECS. 246-362-5
Siv cov tshuaj formula NNb
Molecular phaus 106.913 Inchi Inchi = 1 / n.nb / rNNb / C1-2
Melting taw tes yog 2573 ℃
Niobium nitride - thaj chaw
Daj daj nrog qhov zas daj. Tus txheeb ze ceev kev 8.47I melting point 2300 ℃; Tshav kub ntawm tsim -237.8kj / mol; Mohs hardness 8, micro tawv 14.3GPA; Kev ntsuas siab 200U. Cm. Nws ua superconducting hloov qhov kub thiab txias yog 15.6 K. Insoluble hauv hydrochloric acid, nitric acid thiab sulfuric acid; Soluble hauv hydrofluoric acid thiab sulfuric acid concentrated kev daws teeb meem, kuj soluble hauv kub puag los yog siab concentration ntawm alkaline, thiab tso tawm ammonia.
Raws li cov carbide additive, siab purity niobium kuj tseem tuaj yeem tau txais. Thaum rhuab mus rau 500 ~ 800 ℃ nyob rau hauv huab cua, niobium pentoxide yog tsim thiab nitrogen tso tawm. Niobium nitride yog decomposed rau hauv niobium hlau hauv nqus tsev. Niobium nitride thiab titanium carbide, zirconium carbide, vanadium carbide, tantalum oxide, thiab lwm yam tuaj yeem tsim cov tshuaj tov.
Raug B-1 sib txuas. Sodium chloride crystal qauv. Qhov kub tseem ceeb ntawm kev ua kom muaj zog yog 17.3K. Lub kaum ntse ntse sab saud sab saud yog 43T. Qhov ntom ntom ntom ntom ntom ntom ntom Jc, (4.2K, 20T) yog li 2 × 106A / cm2. High thermal stability thiab tshuaj lom neeg ruaj khov, tiv thaiv neutron irradiation, zoo heev superconducting nyias zaj duab xis khoom. Kev sib xyaw ntawm argon thiab nitrogen tau npaj los ntawm txoj kev sputtering. Nws yog siv los tsim cov ruaj khov ruaj khov superconducting quantum ntsuas twj thiab cov khoom siv electrode.


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