OBSERVATION OF PREDICTED PHONON ANOMALIES IN BETA-PHASE NI50AL50

被引：8

作者：

CHOU, H

SHAPIRO, SM

机构：

[1] Department of Physics, Brookhaven National Laboratory, Upton

来源：

PHYSICAL REVIEW B | 1993年 / 48卷 / 21期

关键词：

D O I：

10.1103/PhysRevB.48.16088

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Inelastic neutron scattering was used in a detailed measure of the [zetazetazeta] transverse-acoustic (TA) and the [zeta00] longitudinal-acoustic (LA) branches in Ni50Al50 alloy. Anomalies are observed in the TA branch near zeta=0.28 and the LA branch near zeta=0.30 which are the precise wave vectors predicted by Zhao and Harmon in their calculations of the electron-phonon coupling in Ni50Al50.

引用

页码：16088 / 16090

页数：3

共 15 条

[1]

GERGET G, 1989, EUROPHYS LETT, V10, P49

[2] VIBRATIONAL FREQUENCIES VIA TOTAL-ENERGY CALCULATIONS - APPLICATIONS TO TRANSITION-METALS [J].

HO, KM ;

FU, CL ;

HARMON, BN .

PHYSICAL REVIEW B, 1984, 29 (04) :1575-1587

[3] MICROSCOPIC ANALYSIS OF INTERATOMIC FORCES IN TRANSITION-METALS WITH LATTICE-DISTORTIONS [J].

HO, KM ;

FU, CL ;

HARMON, BN .

PHYSICAL REVIEW B, 1983, 28 (12) :6687-6694

[4]

HO KM, 1990, MAT SCI ENG A-STRUCT, V127, P137

[5] BULK AND SURFACE VIBRATIONAL-MODES IN NIAL [J].

MOSTOLLER, M ;

NICKLOW, RM ;

ZEHNER, DM ;

LUI, SC ;

MUNDENAR, JM ;

PLUMMER, EW .

PHYSICAL REVIEW B, 1989, 40 (05) :2856-2872

[6] PHONON SOFTENING IN NI46.8TI50FE3.2 [J].

SATIJA, SK ;

SHAPIRO, SM ;

SALAMON, MB ;

WAYMAN, CM .

PHYSICAL REVIEW B, 1984, 29 (11) :6031-6035

[7] BONDING AND BRITTLENESS IN B2 STRUCTURE 3D TRANSITION-METAL ALUMINIDES - IONIC, DIRECTIONAL, OR DOES IT MAKE A DIFFERENCE [J].

SCHULTZ, PA ;

DAVENPORT, JW .

SCRIPTA METALLURGICA ET MATERIALIA, 1992, 27 (05) :629-634

[8] NEUTRON-SCATTERING AND ELECTRON-MICROSCOPY STUDIES OF THE PREMARTENSITIC PHENOMENA IN NIXAL100-X ALLOYS [J].

SHAPIRO, SM ;

YANG, BX ;

NODA, Y ;

TANNER, LE ;

SCHRYVERS, D .

PHYSICAL REVIEW B, 1991, 44 (17) :9301-9313

[9] WORKSHOP ON 1ST-ORDER DISPLACIVE PHASE-TRANSFORMATIONS - REVIEW AND RECOMMENDATIONS [J].

TANNER, LE ;

WUTTIG, M .

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 1990, 127 (02) :137-144

[10] DYNAMICAL PROPERTIES OF PREMARTENSITIC NITI [J].

TIETZE, H ;

MULLNER, M ;

RENKER, B .

JOURNAL OF PHYSICS C-SOLID STATE PHYSICS, 1984, 17 (21) :L529-L532

← 1 2 →