POLARITON DISPERSION AND INFRARED ACTIVE SOFT MODES IN FERROELECTRIC SR2NB2O7

被引：12

作者：

KOJIMA, S

JANG, MS

OHI, K

NAKAMURA, T

机构：

[1] UNIV TOKYO,INST SOLID STATE PHYS,MINATO KU,TOKYO 106,JAPAN

[2] WASEDA UNIV,SCH SCI & ENGN,SHINJUKU KU,TOKYO 160,JAPAN

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 1981年 / 50卷 / 09期

关键词：

D O I：

10.1143/JPSJ.50.2787

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

引用

页码：2787 / 2788

页数：2

共 6 条

[1] OPTICAL-MODE SOFTENING IN THE INCOMMENSURATE PHASE OF SR2NB2O7 [J].

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[2] OBSERVATIONS OF LOW-FREQUENCY POLARITONS IN BARIUM SODIUM NIOBATE [J].

KOJIMA, S ;

NAKAMURA, T .

JAPANESE JOURNAL OF APPLIED PHYSICS, 1980, 19 (10) :L609-L611

[3] CRYSTALLOGRAPHIC AND DIELECTRIC PROPERTIES OF FERROELECTRIC A2B2O7 (A=SR,B=TA,NB) CRYSTALS AND THEIR SOLID-SOLUTIONS [J].

NANAMATSU, S ;

KIMURA, M ;

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[4] PHASE-TRANSITION IN SR2NB2O7 AT 215-DEGREES-C [J].

OHI, K ;

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ISHIDA, H ;

KAKINUMA, H .

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1979, 46 (04) :1387-1388

[5] LIGHT-SCATTERING BY LITHIUM TANTALATE AT ROOM-TEMPERATURE [J].

PENNA, AF ;

CHAVES, A ;

ANDRADE, PDR ;

PORTO, SPS .

PHYSICAL REVIEW B, 1976, 13 (11) :4907-4917

[6] NEW PHASES OF SR2TA2O7 AND SR2NB2O7 FOUND BY ELECTRON-MICROSCOPY AND DIFFRACTION [J].

YAMAMOTO, N ;

YAGI, K ;

HONJO, G ;

KIMURA, M ;

KAWAMURA, T .

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1980, 48 (01) :185-191

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