Synthesize of Li-intercalated ZrNCl and ZrNBr Superconductor (Dikti Sandwich Program in IMR Tohoku Unv.) Andhy Setiawan Bandung Institute of Technology.

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Synthesize of Li-intercalated ZrNCl and ZrNBr Superconductor (Dikti Sandwich Program in IMR Tohoku Unv.) Andhy Setiawan Bandung Institute of Technology (ITB)

Synthesize of Li-intercalated ZrNCl and ZrNBr Superconductor (Dikti Sandwich Program in IMR Tohoku Univ.) Sendai, January, 29th 2009 Have been presented on January, 21st 2009 by Andhy Setiawan In IWASA Lab. IMR Tohoku University Prof. Yoshihiro IWASA

Introduction  Dikti Sandwich Program is purposed to facilitate graduate students of Indonesia University to have a certain experience in overseas university  ITB IMR PECVD Lab. (ITB) IWASA Lab. (IMR) Getting new experiences  Synthesize of Li-intercalated ZrNCl and ZrNBr Superconductor

Synthesize Procedure and Its Apparatus Superconductor sample

Measurement and Its Apparatus Some Properties

Experiment Synthesize of ZrNCl : – ZrH2 (1g) + NH4Cl (10 g) Synthesize of ZrNCl (NMR) : –ZrH2 + NH4Cl ( 15 N) Synthesize of ZrNBr : –ZrH2 + NH4Br Purification of ZrNCl and ZrNBr Intercalation (synthesize of LixZrNCl, LixZrNBr) Measurement

Synthesize of ZrNCl Step 1 : Synthesize of ZrNCl C600 0 C NH4Cl 10 g ZrH2 1 g N2N2

Purification of ZrNCl C850 0 C ZrNCl + 0.1NH4Cl Pure ZrNCl Step 2 : Purification

Synthesize and Purification of ZrNCl (NMR) and ZrNBr C850 0 C ZrH NH4Cl (ZrH2 + NH4Br) C850 0 C ZrNCl NH4Cl (ZrNBr NH4Br) Pure ZrNCl (ZrNBr) Step 1 : Synthesize Step 2 : Purification ZrNBr

Intercalation Intercalation Li to ZrNCl Exp ZrNCl (mg) ZrNCl (mmol) BuLi (  L) Li (mmol)x Exp s-BuLi Exp n-BuLi

Intercalation Intercalation Li to ZrNCl (NMR) Exp ZrNCl (mg) ZrNCl (mmol) BuLi (  L) Li (mmol)x Exp n-BuLi Intercalation Li to ZrNBr (will be done) x = 0.05 – 0.15

Measurement Crystal Structure of ZrNCl (x-ray powder diffraction) Zr N Cl 60 0 b a c (003) (110) a = b = Ǻ, c = Ǻ

Measurement Magnetization of LixZrNCl

Measurement Resistivity of LixZrNCl

Conclusion I have learned to Synthesize of Li-intercalated ZrNCl and ZrNBr superconductor. Measure the crystal structure, magnetization, and resistivity.

Acknowledgment Prof. Yoshihiro IWASA Miho EUMURA Yuichi KASAHARA and Superconductor Team in IWASA Lab. (Katsuki KOBAYASHI, Tsukasa KISHIUME, Takumi TAKANO) IWASA Lab. Member (T. TAKENOBU, H. SHIMOTANI, SATRIA ZB, H.T. YUAN, J. YE, S. INOUE, Y. YOMOGIDA, H. OKIMOTO, S. TSUDA, S. KIUCHI)

Thanks for Nice Moments