Coupled charge-spin correlations in the pyrochlore Tl 2Mn 2O 7 probed by ultrafast mid-infrared spectroscopy

Rohit Prativadi Prasankumar; Antoinette Jane Taylor; R. D. Averitt; H. Okamura; H. Imai; Y. Shimakawa; Y. Kubo

Coupled charge-spin correlations in the pyrochlore Tl ₂Mn ₂O ₇ probed by ultrafast mid-infrared spectroscopy

Rohit Prativadi Prasankumar
, Antoinette Jane Taylor
, R. D. Averitt
, H. Okamura
, H. Imai
, Y. Shimakawa
, Y. Kubo

Los Alamos National Laboratory

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

An optical-pump, mid-infrared (IR)-probe system is used to investigate ultrafast temperature-dependent dynamics in the magnetoresistive pyrochlore Tl ₂Mn ₂O ₇. We observe a prolonged carrier density increase, related to a scaling of the carrier lifetime with spin correlations.

Original language	English
Title of host publication	2005 Quantum Electronics and Laser Science Conference (QELS)
Pages	739-741
Number of pages	3
State	Published - Oct 31 2005
Event	2005 Conference on Lasers and Electro-Optics, CLEO 2005 - Duration: Oct 31 2005 → …

Publication series

Name	Quantum Electronics and Laser Science Conference (QELS)
Volume	2

Conference

Conference	2005 Conference on Lasers and Electro-Optics, CLEO 2005
Period	10/31/05 → …

Cite this

Prasankumar, R. P., Taylor, A. J., Averitt, R. D., Okamura, H., Imai, H., Shimakawa, Y., & Kubo, Y. (2005). Coupled charge-spin correlations in the pyrochlore Tl ₂Mn ₂O ₇ probed by ultrafast mid-infrared spectroscopy. In 2005 Quantum Electronics and Laser Science Conference (QELS) (pp. 739-741). Article QFB6 (Quantum Electronics and Laser Science Conference (QELS); Vol. 2).

@inproceedings{be1765eff6f347ee877159d1531656f6,

title = "Coupled charge-spin correlations in the pyrochlore Tl 2Mn 2O 7 probed by ultrafast mid-infrared spectroscopy",

abstract = "An optical-pump, mid-infrared (IR)-probe system is used to investigate ultrafast temperature-dependent dynamics in the magnetoresistive pyrochlore Tl 2Mn 2O 7. We observe a prolonged carrier density increase, related to a scaling of the carrier lifetime with spin correlations.",

author = "Prasankumar, \{Rohit Prativadi\} and Taylor, \{Antoinette Jane\} and Averitt, \{R. D.\} and H. Okamura and H. Imai and Y. Shimakawa and Y. Kubo",

year = "2005",

month = oct,

day = "31",

language = "English",

isbn = "1557527962",

series = "Quantum Electronics and Laser Science Conference (QELS)",

pages = "739--741",

booktitle = "2005 Quantum Electronics and Laser Science Conference (QELS)",

note = "2005 Conference on Lasers and Electro-Optics, CLEO 2005 ; Conference date: 31-10-2005",

}

Prasankumar, RP, Taylor, AJ, Averitt, RD, Okamura, H, Imai, H, Shimakawa, Y & Kubo, Y 2005, Coupled charge-spin correlations in the pyrochlore Tl ₂Mn ₂O ₇ probed by ultrafast mid-infrared spectroscopy. in 2005 Quantum Electronics and Laser Science Conference (QELS)., QFB6, Quantum Electronics and Laser Science Conference (QELS), vol. 2, pp. 739-741, 2005 Conference on Lasers and Electro-Optics, CLEO 2005, 10/31/05.

Coupled charge-spin correlations in the pyrochlore Tl ₂Mn ₂O ₇ probed by ultrafast mid-infrared spectroscopy. / Prasankumar, Rohit Prativadi; Taylor, Antoinette Jane; Averitt, R. D. et al.
2005 Quantum Electronics and Laser Science Conference (QELS). 2005. p. 739-741 QFB6 (Quantum Electronics and Laser Science Conference (QELS); Vol. 2).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

TY - GEN

T1 - Coupled charge-spin correlations in the pyrochlore Tl 2Mn 2O 7 probed by ultrafast mid-infrared spectroscopy

AU - Prasankumar, Rohit Prativadi

AU - Taylor, Antoinette Jane

AU - Averitt, R. D.

AU - Okamura, H.

AU - Imai, H.

AU - Shimakawa, Y.

AU - Kubo, Y.

PY - 2005/10/31

Y1 - 2005/10/31

N2 - An optical-pump, mid-infrared (IR)-probe system is used to investigate ultrafast temperature-dependent dynamics in the magnetoresistive pyrochlore Tl 2Mn 2O 7. We observe a prolonged carrier density increase, related to a scaling of the carrier lifetime with spin correlations.

AB - An optical-pump, mid-infrared (IR)-probe system is used to investigate ultrafast temperature-dependent dynamics in the magnetoresistive pyrochlore Tl 2Mn 2O 7. We observe a prolonged carrier density increase, related to a scaling of the carrier lifetime with spin correlations.

UR - https://www.scopus.com/pages/publications/27144464462

M3 - Conference contribution

SN - 1557527962

SN - 9781557527967

T3 - Quantum Electronics and Laser Science Conference (QELS)

SP - 739

EP - 741

BT - 2005 Quantum Electronics and Laser Science Conference (QELS)

T2 - 2005 Conference on Lasers and Electro-Optics, CLEO 2005

Y2 - 31 October 2005