Dr. Jianjun Liu

Research Associate,

Department of Physics

University of Nebraska at Omaha

Omaha, NE 68182-0266

(402) 472-4522

jliu@unlserve.unl.edu

 

Professional Experience

 

á      Research Associate, University of Nebraska at Omaha, NE, 2001~ present.

      Research area: Molecular dynamics simulation of structural phase transition in molecular

                              ionic solid, dielectric properties and Raman spectra of ferroelectrics.

á      Visiting Associate Professor, University of Nebraska-Lincoln, NE, 1998~2000.

      Research area: Molecular dynamics simulation of structural phase transition in molecular

                             ionic solid, dielectric properties and Raman spectra of ferroelectric.

á      Associate Professor, Nankai University, China, 1996~1998.

Research area: Molecular structure in organic nonlinear optical crystal, structural phase

                        transition under high pressure or high temperature, synthesis of intercalation

                        compounds of C60.

á      Post-Doc., Nankai University, China, 1994~1996.

áResearch area: Lattice defects in LiNbO3 crystal

á      Teaching Assistant, Hebei Geological College, China, 1984~1987

 

Education

 

á      B. Sc. Physics, Hebei University, China, 1984.

á      M. Sc. Physics, Jilin University, China, 1990.

Atomic spectroscopy, laser spectroscopy

á      Ph. D. Physics, Jilin University, China, 1994.

Soft mode and structural phase transitions in ferroelectrics under high pressure and high temperature.

 

Publications

 

30 .Jianjun Liu, Chun-gang Duan, W. N. Mei,  R. W. Smith,  J. R. Hardy

      Polymorphous transformations in alkaline-earth silicates

      JOURNAL OF CHEMICAL PHYSICS. 2002, Vol. 116, Iss 9, 3864-3869

29. Jianjun Liu, Chun-gang Duan, W. N. Mei,  R. W. Smith,  J. R. Hardy

      Order-Disorder Structural Phase Transitions in Alkali Perchlorates

      JOURNAL OF SOLID STATE CHEMISTRY.  2002, Vol.163, 294-299.

28. Jianjun Liu; Chun-gang Duan; M. M. Ossowski; W. N. Mei; R. W. Smith; J. R. Hardy

  Molecular Dynamics Simulation of Phase Transition in AgNO3

 JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS. 2002, Vol. 63, Iss 3, 409-414

27. Chun-gang Duan; W. N. Mei; Jianjun Liu; J. R. Hardy

      First-principles study on the optical properties of KNbO3

      JOURNAL OF PHYSICS, CONDENSED MATTER, 2001, Vol. 13, Iss 35, 8189-8195.

26. Jianjun Liu; Chun-gang Duan; M. M. Ossowski; W. N. Mei; R. W. Smith; J. R. Hardy

      High temperature phase transition in TlN3

      MATERIALS RESEARCH BULLETIN. 2001, Vol. 36, Iss 11, 2035-2041.

25. Jianjun Liu; Chun-gang Duan; W. N. Mei; R. W. Smith; J. R. Hardy

      Simulation of structural phase transition in NaNO3 and CaCO3

  PHYSICS AND CHEMISTRY OF MINERALS. 2001, Vol. 28, Iss 8, 586-590.

24. Jianjun Liu; Chun-gang Duan; M. M. Ossowski; W. N. Mei; R. W. Smith; J. R. Hardy

  Molecular dynamics simulation of structural phase transitions in RbNO3 and CsNO3

      JOURNAL OF SOLID STATE CHEMISTRY. 2001, Vol 160, Iss 1, pp 222-229.

23. Duan CG; Mei WN; Smith RW; Jianjun Liu; Ossowski MM; Hardy JR

 Order-disorder phase transitions in KNO2, CsNO2 and TINO2 crystals: a molecular

 dynamics study

 PHYSICAL REVIEW B 2001, Vol 63, Iss 14, pp 144105.

22. Jianjun Liu, Ossowski MM., Hardy JR

 Simulation of structural transformation in aragonite CaCO3

 IN "FUNDAMENTAL PHYSICS OF FERROELECTRICS 2000"

 AIP CONFERENCE PROCEEDINGS 2000, Vol. 535, pp 338.

21. Jianjun Liu; Wang YF; Lan GX; Zheng JM

      Vibrational spectra of  barium format  crystal.

      JOURNAL OF RAMAN SPECTROSCOPY. 2001, Vol. 32, pp 1000-1003.

20. Cao XW; Wang YF; Hao JM; Jianjun Liu; Hu SF; Lan GX

 Raman scattering of ytterbium intercalated C60 compounds

 JOURNAL OF RAMAN SPECTROSCOPY 2000, Vol 31, Iss 6, pp 461-463

19. Cao XW; Hao JM; Wu XS; Wang YF; Wu Y; Jianjun Liu; Hu SF; Lan GX

 Investigation of ytterbium fulleride compounds

 APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING 2000,

 Vol 70, Iss 2, pp 223-225

18. Wang YF; Jianjun Liu; Hu SF; Lan GX

 Raman and infrared reflectance spectra study of CsLiB6O10

 SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR

 SPECTROSCOPY 1999, Vol 55, Iss 13, pp 2565-2571

17. Wang YF; Jianjun Liu; Hu SF; Lan GX; Fu PZ; Wang ZX

 Vibrational spectra of cesium triborate crystal

 JOURNAL OF RAMAN SPECTROSCOPY 1999, Vol 30, Iss 7, pp 519-523

16. Jianjun Liu; Wu Y; Hu SF; Lan GX; Zheng JM

 Vibrational spectroscopic study of (NH2CH2COOH)2CdCl2 crystal

 JOURNAL OF MOLECULAR STRUCTURE 1998, Vol 446, Iss 1-2, pp 109-113

15. Jianjun Liu; Wu Y; Hu SF; Lan GX; Zheng JM

 Raman scattering in (NH2CH2COOH)2CdBr2 single crystal

 JOURNAL OF RAMAN SPECTROSCOPY 1998, Vol 29, Iss 3, pp 185-189

14. Zhang GQ; Zhang GY; Liu SM; Xu JJ; Sun Q; Jianjun Liu

     Valence and electronic shell configuration characters of damage-resistant dopants

     in LiNbO3 crystals

     CHINESE PHYSICS LETTERS 1998, Vol 15, Iss 9, pp 686-688

13. Jianjun Liu; Zhang WL; Zhang GY

 A change model of defect structure in LiNbO3: Mg, Fe crystals

 CHINESE SCIENCE BULLETIN 1996, Vol 41, Iss 17, pp 1428-1430

12. Jianjun Liu; Zhang WL; Zhang CZ; Zhang GY

Influence of Ti content on Mg concentration threshold in LiNbO3: Mg, Ti crystals

CHINESE SCIENCE BULLETIN 1996, Vol 41, Iss 20, pp 1683-1686

11. Jianjun Liu; Zhang WL; Zhang GY

Defect chemistry analysis of the defect structure in Mg-doped LiNbO3 crystals

PHYSICA STATUS SOLIDI A-APPLIED RESEARCH 1996, Vol 156, Iss 2,  pp 285-291

10. Jianjun Liu; Zhang WL; Zhang GY

Microscopic mechanism of suppressing photorefraction in LiNbO3: Mg, Fe crystals

SOLID STATE COMMUNICATIONS 1996, Vol 98, Iss 6, pp 523-526

9. Jianjun Liu; Zhang WL; Zhang GY

Studies of OH- absorption and optical absorption spectra in LiNbO3:Mg,Ti crystals

PHYSICS LETTERS A 1996, Vol 212, Iss 5, pp 275-278

8. Jianjun Liu; Zou GT; Jin YR

Raman scattering study of Na0.5Bi4.5Ti4O15 and its solid solutions

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS 1996, Vol 57, Iss 11, 

pp 1653-1658

7. Jianjun Liu; Gao CX; Zou GT; Jin YR

 Study of Raman spectra and structural phase transition in the system

 Ba2Bi4-xLaxTi5O18

 PHYSICS LETTERS A 1996, Vol 218, Iss 1-2, pp 91-93

6. Jianjun Liu; Gao CX; Zou GT; Jin YR

Pressure-induced structural phase transition in Na0.5Bi4.5Ti4O15 by Raman scattering

PHYSICS LETTERS A 1996, Vol 218, Iss 1-2, pp 94-98

5. Jianjun Liu; Zou GT; Jin YR

Composition dependence of the ferroelectric-paraelectric phase transition

in Na0.5Bi4.5-xLaxTi4O15

PHYSICS LETTERS A 1996, Vol 211, Iss 2, pp 125-128

4. Jianjun Liu; ZOU GT; YANG HB; CUI QL

The soft mode phase-transition of SrBi2Nb2O9

SOLID STATE COMMUNICATIONS 1994, Vol 90, Iss 6, pp 365-367

3. ZOU GT; Jianjun Liu; CUI QL; YANG HB

Soft mode phase-transition of Sr2Bi4Ti5O18

PHYSICS LETTERS A 1994, Vol 189, Iss 3, pp 257-260

2. Jianjun Liu; ZOU GT; CUI QL

    Soft Mode Behavior of CaBi2Nb2O9 crystal.

    CHINESE SCIENCE BULLETIN 1994 Vol 39, Iss 18, pp 1669.

1. Jianjun Liu; PENG WX; JIANG ZK; WANG LJ; YU H; GUO C

Experimental-determination of branching ratios, lifetime and transition probabilities

of ytterbium

CHINESE SCIENCE BULLETIN 1993 Vol 38, Iss 3, pp 189-192.