نتريد النيوبيوم

نتريد النيوبيوم
نتريد النيوبيوم
نتريد النيوبيوم
الاسم النظامي (IUPAC)

Niobium nitride
المعرفات
رقم CAS
CAS 24621-21-4  تعديل قيمة خاصية (P231) في ويكي بيانات
بوب كيم 90560[1]  تعديل قيمة خاصية (P662) في ويكي بيانات
مواصفات الإدخال النصي المبسط للجزيئات
الخواص
الصيغة الجزيئية NbN
الكتلة المولية 106.91 غ/مول
المظهر صلب رمادي
الكثافة 8.470 غ/سم3
نقطة الانصهار 2,573 °س
الذوبانية في الماء غير منحل
في حال عدم ورود غير ذلك فإن البيانات الواردة أعلاه معطاة بالحالة القياسية (عند 25 °س و 100 كيلوباسكال)
تعديل مصدري - تعديل  طالع توثيق القالب

نتريد النيوبيوم هو مركب كيميائي لاعضوي صيغته NbN، ويوجد على هيئة صلب بلوري رمادي.

التحضير

يحضر هذا المركب من التفاعل بين عنصر النيوبيوم مع غاز النتروجين مرتفع النقاوة أو الأمونيا أو خليط منهما عند درجات حرارة مرتفعة، وبمعزل عن الهواء والرطوبة.[2]

الخواص

يوجد المركب في الشروط القياسية على هيئة مسحوق بلوري رمادي، وهو غير قابل للانحلال في الماء؛ ولكنه بالمقابل ينحل في الأحماض المعدنية من حمض الهيدروكلوريك وحمض الكبريتيك وحمض النتريك.[3]

يتميز المركب بأن له خواص موصلية فائقة عند درجة حرارة انتقالية حرجة مقدارها 16.5 كلفن.[4]

الاستخدامات

يدخل نتريد النيوبيوم في تركيب مكاشيف الأشعة تحت الحمراء.[5][6][7]

طالع أيضاً

المراجع

  1. ^ ا ب ج د Niobium nitride (بالإنجليزية), QID:Q278487
  2. ^ Georg Brauer (Hrsg.) u. a.: Handbuch der Präparativen Anorganischen Chemie. 3., umgearbeitete Auflage. Band III, Ferdinand Enke, Stuttgart 1981, ISBN 3-432-87823-0, S. 1472.
  3. ^ Roger Blachnik (Hrsg.): Taschenbuch für Chemiker und Physiker. Begründet von Jean d’Ans, Ellen Lax. 4., neubearbeitete und revidierte Auflage. Band 3: Elemente, anorganische Verbindungen und Materialien, Minerale. Springer, Berlin 1998, ISBN 3-540-60035-3, S. 632
  4. ^ G. Horn, E. Saur: Präparation und Supraleitungseigenschaften von Niobnitrid sowie Niobnitrid mit Titan-, Zirkon- und Tantalzusatz. In: Zeitschrift für Physik. 210, 1968, S. 70–79, دُوِي:10.1007/BF01379871.
  5. ^ Y. M. Shy, L. E. Toth and R. Somasundaram (1973). "Superconducting properties, electrical resistivities, and structure of NbN thin films". Journal of Applied Physics. ج. 44 ع. 12: 5539–5545. Bibcode:1973JAP....44.5539S. DOI:10.1063/1.1662193.
  6. ^ J. W. Kooi؛ J. J. A. Baselmans؛ M. Hajenius؛ J. R. Gao؛ T. M. Klapwijk؛ P. Dieleman؛ A. Baryshev؛ G. de Lange (2007). "IF impedance and mixer gain of NbN hot electron bolometers" (PDF). Journal of Applied Physics. ج. 101 ع. 4: 044511. Bibcode:2007JAP...101d4511K. DOI:10.1063/1.2400086.
  7. ^ S. P. Chockalingam؛ Madhavi Chand؛ John Jesudasan؛ Vikram Tripathi؛ Pratap Raychaudhuri (2009). "Superconducting properties and Hall effect in epitaxial NbN thin films". Physical Review B. ج. 77 ع. 21: 214503. arXiv:0804.2945. Bibcode:2008PhRvB..77u4503C. DOI:10.1103/PhysRevB.77.214503. S2CID:14097116.
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