高温超导材料及其应用。 目前主要研究:

1. Bi系高温超导线材

Bi系高温超导导线机械性能及成型过程研究

Bi系高温超导线材的前驱粉末特性、微观结构演变以及Bi（2223）成相过程研究。

电子工程应用的Bi系超导线材的研制。

Bi高温超导线材用银合金

2. Y系涂层导体研究

涂层导体用YBCO厚膜非真空法制备及生长机理研究。

YBCO涂层导体缓冲层薄膜的非真空法制备及生长机理研究。

金属基带、缓冲层以及YBCO超导层的表面处理。

离子束表面改性技术在高温超导材料中的应用研究

3. 超导电磁测量和超导材料的应用

高温超导材料超导性能的测量

高温超导磁体/线圈的研究

高温超导线材的交流损耗测量以及如何减少高温超导线材的交流损耗

高温超导磁悬浮研究

获奖 北京地区产学研先进个人（2002）

现任学术兼职

国家“十五”863计划新材料技术领域“超导材料与技术”专项总体专家组组长

发表研究论文40余篇。申请专利2 项，在国内外学术会议作邀请报告约20多次。 论文：

Selected Papers:

1. X. P. Chen1，4, Z. H. Han1, M.Y. Li1，4, M. Jun, Q.Liu,

“Observation of the formation and growth of secondary phases

in Bi-2223/Ag tapes”, Physica C (2003) 391 (4) 363-368

2. Z. Han, H. Wu, P. Skov-Hansen and P. Vase,”Mechanical Properties

of Bi-2223/Ag Composite Tapes”, EUCAS'99, Sitges, Spain, 14-17 Sept. 1999.

3. P. Skov-Hansen , Z. Han and J.I. Bech, “Stresses and Strains in

Multi-Filament HTS Tapes” IEEE Trans. Appl.

Supercond., vol. 9, no.2, pp2617-2620, June 1999

4. Z. Han, P. Bodin, W. G. Wang, M. Bentzon, P. Skov-Hansen, J. Goul,

and P. V. Vase, “Fabrication and characterisation of superconducting

Bi-2223/Ag tapes with high critical current densities in km length”,

IEEE Trans. Supercon. 9 (1999) 2537.

5. Z. Han, P. Skov-Hansen and T. Freltoft, “Topical Review: The mechanical

deformation process of superconducting BiSrCaCuO/Ag composites”,

Supercond. Sci. Technol., vol.10, pp371-387, 1997.

6. Z. Han, P. Skov-Hansen and P. Vase, “Mechanical properties of

Bi-2223/Ag composite tapes for large scale applications”,

MT-15, Beijing, October 20-24,1997

7. Z. Han, P. Vase, Y. Q. Shen, and T. Freltoft, “Superconducting

Bi2Sr2Ca2Cu3Ox Closed-loop Coils Carrying Persistent Current at

Temperatures above 77 K” IEEE Trans. Supercon. 7 (1997) 873.

8. Z. Han, T. I. Selinder, and U. Helmersson, Formation of Cu-rich

particles on the surface of YBa2Cu3O7-x thin film grown by in situ

off-axis sputtering, J. Appl. Phys. 75, 2020 (1994).

9. Z. Han, U. Helmersson, and T. I. Selinder, Observation of metallic

resistivity behavior following a 1/r300k dependence of Tc in

a YBa2Cu3O7-x thin film with varying oxygen deficiency,

Phys. Rev. B 48, 7708 (1993).

10. Z. Han, U. Helmersson, T. I. Selinder, and J.?E. Sundgren, X?ray?

iffraction mapping of epitaxial YBa2Cu3O7?x thin films: Determination

of in?plane epitaxy and a?, b?, and c?axis lengths in films with

varying oxygen deficiency, Phys. Rev. B 47, 3431 (1993).

11. Han Zhenghe, K. Tsushima, N. Karpe, H. Medelius, Klas Jacobson and

K. V. Rao, Preparation and Electronic Properties of Reactive Magnetron

Sputter?deposited Bi?Ca?Sr?Cu?O Thin Film High?Tc Superconductors,

J. of Crystal Growth 91, 368 (1988).

12. Han Zhenghe, Wang Xinlin and Ke Cheng, Magnetic Stability of Water

Quenched Cobalt?based Amorphous Alloy, Materials Sci.& Eng. 99, 199 (1988).

专利

1．韩征和、王三胜，吴锴，刘梦林。一种制作高温超导器件的表面改性方法。国内申请号: 02159935. 国际申请号：PCT/CN03/00594。

2.王三胜，陈胜，韩征和，刘莉。一种在金属基底上形成织构外延膜的方法。国内申请号：200310117384.7