Growth BaTiO3 film using Laser-MBE and in-situ measurement with photoemission

HONG Hao-Cai; WANG Jia-Ou; QIAN Hai-Jie; KUI Re-Xi; DONG Yu-Hui

Chinese Physics C> 2005, Vol. 29> Issue(S1) : 43-46

Growth BaTiO3 film using Laser-MBE and in-situ measurement with photoemission

Beijing Synchrotron Radiation Facility of Institute of High Energy Physics, CAS, Beijing 100049, China

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Abstract：
We have performed in-situ synchrotron radiation photoemission spectrum (SRPES) on a well-order surface of BaTiO3 film fabricated with laser molecular beam epitaxy. The X-ray photoemission spectrum of Ti 2p indicate the Ti ion in BaTiO3 film is Ti⁺⁴ and the epitaxy film is stoichiometric composition with less oxygen vacancies. We calculated the valence density of state of BaTiO3 in ferroelectric phase with ab-intio code wien2k. The experiment spectrum is well consistent with our calculated result.

References

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. Masatoshi I, Fujimori A, Tokura Y. Metal-Insulator Tran-sitions. Rev. Mod. Phys., 1998. 70(4): 1039—12632. Dagotto E T H, Moreo A. Physics Reports, 2001, 344: 1—1533. Dubowski J J et al. Applied Physics Letters, 1985, 46(11):1081—10834. Neave J H et al. Applied Physics Letters, 1985, 47(2):100—1025. Hudson R L K L T, Robey S W, Temple D et al. PRB,1993, 16(47): 108326. Blaha P, Schwarz K, Madsen G K H et al. WIEN2K, anAugmented-Plane-Wave + Local Orbitals Program for Ab-Initio Calculation Program, Vienna University of Technol-ogy

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HONG Hao-Cai, WANG Jia-Ou, QIAN Hai-Jie, KUI Re-Xi and DONG Yu-Hui. Growth BaTiO3 film using Laser-MBE and in-situ measurement with photoemission[J]. Chinese Physics C, 2005, 29(S1): 43-46.

HONG Hao-Cai, WANG Jia-Ou, QIAN Hai-Jie, KUI Re-Xi and DONG Yu-Hui. Growth BaTiO3 film using Laser-MBE and in-situ measurement with photoemission[J]. Chinese Physics C, 2005, 29(S1): 43-46. shu

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Received: 2005-10-28
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Growth BaTiO3 film using Laser-MBE and in-situ measurement with photoemission

Corresponding author: DONG Yu-Hui,

Beijing Synchrotron Radiation Facility of Institute of High Energy Physics, CAS, Beijing 100049, China

Received Date: 2005-10-28
Accepted Date: 1900-01-01
Available Online: 2005-01-02

Abstract: We have performed in-situ synchrotron radiation photoemission spectrum (SRPES) on a well-order surface of BaTiO3 film fabricated with laser molecular beam epitaxy. The X-ray photoemission spectrum of Ti 2p indicate the Ti ion in BaTiO3 film is Ti⁺⁴ and the epitaxy film is stoichiometric composition with less oxygen vacancies. We calculated the valence density of state of BaTiO3 in ferroelectric phase with ab-intio code wien2k. The experiment spectrum is well consistent with our calculated result.