SYNTHESIS OF POLYCRYSTALLINE BULK TITANIUM OXIDE SYSTEM DILUTELY DOPED WITH MANGANESE AND OBSERVATION OF MN3O4 CLUSTER-DRIVEN LOW TEMPERATURE FERROMAGNETISM

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KALE S.N.; DAUNDKAR AVINASH; SHINDE S.R.; KUNDALIYA DARSHAN; JOSHEE R.S.; LAHOTI P.S.; GHORANNEVISS MAHMOOD; SARI AMIR H.; HAJI HOSSEINI G. S.H.; SHOKOUHY A.

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Journal: JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL) Year:2007 | Volume:1 | Issue:1 Page(s): 13-16

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Title

SYNTHESIS OF POLYCRYSTALLINE BULK TITANIUM OXIDE SYSTEM DILUTELY DOPED WITH MANGANESE AND OBSERVATION OF MN3O4 CLUSTER-DRIVEN LOW TEMPERATURE FERROMAGNETISM

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Abstract

Diluted magnetic semiconductors (DMS) have received significant attention in the recent past in view of their significance for the rapidly developing field of spintronics. In this context, we have examined the case of Titanium oxide (TiO2) system dilutely (2 and 5 at %) doped with Manganese (Mn). These bulk polycrystalline samples exhibit rutile structure, which is the most stable structure amongst various configurations of TiO2. The Ti0.98Mn0.02O2 sample shows additional signatures of non-magnetic Mn2O3 in X-ray diffraction studies. Interestingly, Ti0.95Mn0.05O2 exhibits ferromagnetism at very low temperature. X-ray diffraction studies show additional signatures of the Mn3O4 phase.Ion image and line scanning analysis of these samples using SIMS technique confirm that Mn atoms are not uniformly dispersed in the matrix and appear to have clustered. The nature of the clustered phase could be ascertained by magnetization measurements, which indicate a low temperature transition at 42 K, which is a characteristic of the Mn3O4 phase.

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APA: Copy

KALE, S.N., DAUNDKAR, AVINASH, SHINDE, S.R., KUNDALIYA, DARSHAN, JOSHEE, R.S., LAHOTI, P.S., GHORANNEVISS, MAHMOOD, SARI, AMIR H., HAJI HOSSEINI G., S.H., & SHOKOUHY, A.. (2007). SYNTHESIS OF POLYCRYSTALLINE BULK TITANIUM OXIDE SYSTEM DILUTELY DOPED WITH MANGANESE AND OBSERVATION OF MN₃O₄CLUSTER-DRIVEN LOW TEMPERATURE FERROMAGNETISM. JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL), 1(1), 13-16. SID. https://sid.ir/paper/318670/en

Vancouver: Copy

KALE S.N., DAUNDKAR AVINASH, SHINDE S.R., KUNDALIYA DARSHAN, JOSHEE R.S., LAHOTI P.S., GHORANNEVISS MAHMOOD, SARI AMIR H., HAJI HOSSEINI G. S.H., SHOKOUHY A.. SYNTHESIS OF POLYCRYSTALLINE BULK TITANIUM OXIDE SYSTEM DILUTELY DOPED WITH MANGANESE AND OBSERVATION OF MN₃O₄CLUSTER-DRIVEN LOW TEMPERATURE FERROMAGNETISM. JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL)[Internet]. 2007;1(1):13-16. Available from: https://sid.ir/paper/318670/en

IEEE: Copy

S.N. KALE, AVINASH DAUNDKAR, S.R. SHINDE, DARSHAN KUNDALIYA, R.S. JOSHEE, P.S. LAHOTI, MAHMOOD GHORANNEVISS, AMIR H. SARI, S.H. HAJI HOSSEINI G., and A. SHOKOUHY, “SYNTHESIS OF POLYCRYSTALLINE BULK TITANIUM OXIDE SYSTEM DILUTELY DOPED WITH MANGANESE AND OBSERVATION OF MN₃O₄CLUSTER-DRIVEN LOW TEMPERATURE FERROMAGNETISM,” JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL), vol. 1, no. 1, pp. 13–16, 2007, [Online]. Available: https://sid.ir/paper/318670/en

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