Dimensional crossover driven by magnetic ordering in optical conductivity of Pr1/2Sr1/2MnO3

被引：16

作者：

Jung, JH ^{[1
]}

Lee, HJ

Yu, J

Noh, TW

Choi, EJ

Moritomo, Y

机构：

[1] Seoul Natl Univ, Dept Phys, Seoul 151742, South Korea

[2] Seoul Natl Univ, Ctr Strongly Correlated Mat Res, Seoul 151742, South Korea

[3] Univ Seoul, Dept Phys, Seoul 130743, South Korea

[4] Nagoya Univ, CIRSE, Nagoya, Aichi 4648603, Japan

来源：

PHYSICAL REVIEW B | 2000年 / 61卷 / 21期

关键词：

D O I：

10.1103/PhysRevB.61.14656

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We investigate optical properties of Pr1/2Sr1/2MnO3, which has A-type antiferromagnetic ordering at a low temperature The temperature dependence of spectral weight transfer shows a clear correlation with the magnetic phase transition. Through the comparison with the results of Nd1/2Sr1/2MnO3, which has CE-type antiferromagnetic charge ordering, we showed that optical properties of Pr1/2Sr1/2MnO3 near the Neel temperature could be explained by a crossover from three-dimensional to two-dimensional metals. Details of the spectral weight changes are consistent with the polaron picture.

引用

收藏

页码：14656 / 14659

页数：4

相关论文

共 23 条

[1] Orbital liquid in perovskite transition-metal oxides [J].

Ishihara, S ;

Yamanaka, M ;

Nagaosa, N .

PHYSICAL REVIEW B, 1997, 56 (02) :686-692

[2] Optical response to orbital and charge ordering in a layered manganite:: La1/2Sr3/2MnO4 [J].

Ishikawa, T ;

Ookura, K ;

Tokura, Y .

PHYSICAL REVIEW B, 1999, 59 (13) :8367-8370

[3] Midgap states of La1-xCaxMnO3:: Doping-dependent optical-conductivity studies [J].

Jung, JH ;

Kim, KH ;

Noh, TW ;

Choi, EJ ;

Yu, J .

PHYSICAL REVIEW B, 1998, 57 (18) :R11043-R11046

[4] Determination of electronic band structures of CaMnO3 and LaMnO3 using optical-conductivity analyses [J].

Jung, JH ;

Kim, KH ;

Eom, DJ ;

Noh, TW ;

Choi, EJ ;

Yu, JJ ;

Kwon, YS ;

Chung, Y .

PHYSICAL REVIEW B, 1997, 55 (23) :15489-15493

[5] Optical evidence for the dynamic Jahn-Teller effect in Nd0.7Sr0.3MnO3 [J].

Kaplan, SG ;

Quijada, M ;

Drew, HD ;

Tanner, DB ;

Xiong, GC ;

Ramesh, R ;

Kwon, C ;

Venkatesan, T .

PHYSICAL REVIEW LETTERS, 1996, 77 (10) :2081-2084

[6] Magnetic ordering and relation to the metal-insulator transition in Pr1-xSrxMnO3 and Nd1-xSrxMnO3 with x similar to 1/2 [J].

Kawano, H ;

Kajimoto, R ;

Yoshizawa, H ;

Tomioka, Y ;

Kuwahara, H ;

Tokura, Y .

PHYSICAL REVIEW LETTERS, 1997, 78 (22) :4253-4256

[7] Orbital dynamics: The origin of the anomalous optical spectra in ferromagnetic manganites [J].

Kilian, R ;

Khaliullin, G .

PHYSICAL REVIEW B, 1998, 58 (18) :11841-11844

[8] Scaling behavior of spectral weight changes in perovskite manganites La0.7-yPryCa0.3MnO3 [J].

Kim, KH ;

Jung, JH ;

Eom, DJ ;

Noh, TW ;

Yu, JJ ;

Choi, EJ .

PHYSICAL REVIEW LETTERS, 1998, 81 (22) :4983-4986

[9] Polaron absorption in a perovskite manganite La0.7Ca0.3MnO3 [J].

Kim, KH ;

Jung, JH ;

Noh, TW .

PHYSICAL REVIEW LETTERS, 1998, 81 (07) :1517-1520

[10] Frequency shifts of the internal phonon modes in La0.7Ca0.3MnO3 [J].

Kim, KH ;

Gu, JY ;

Choi, HS ;

Park, GW ;

Noh, TW .

PHYSICAL REVIEW LETTERS, 1996, 77 (09) :1877-1880