Magnetic properties of TDAE-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">C</mml:mi></mml:mrow><mml:mrow><mml:mn>60</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>and TDAE-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">C</mml:mi></mml:mrow><mml:mrow><mml:mn>70</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>, where TDAE is tetr

Tanaka, Kazuyoshi; Zakhidov, Anvar A.; Yoshizawa, Kazunari; Okahara, Kenji; Yamabe, Tokio; Yakushi, Kyuya; Kikuchi, Kôichi; Suzuki, Satoshi; Ikemoto, Isao; Achiba, Yohji

doi:10.1103/physrevb.47.7554

Cited by 129 publications

(57 citation statements)

References 22 publications

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“…Several experiments have confirmed by now that TDAE-C 60 undergoes a soft ferromagnetic spin-glass or superparamagnetic ordering transition below T c , where the magnetisation versus magnetic field curves become S shaped and strongly nonlinear [93,99]. Evidence for a magnetic hysteresis curve in TDAE-C 60 was also reported [100].…”

Section: (3a) Magnetic Fullerene Derivative Tdae-c 60mentioning

confidence: 53%

“…TDAE-higher-fullerite complexes such as TDAE-C 70 , -C 84 , -C 90 , and -C 96 do not show a ferromagnetic transition, but only paramagnetism at least above 4· 5 K [99,111,112]. The fact that no magnetic transition was observed in TDAE-C 70 provides additional evidence that the radical spins reside mainly on the fullerenes.…”

Section: (3a) Magnetic Fullerene Derivative Tdae-c 60mentioning

confidence: 65%

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Solid State and Magnetic Properties of Pure, Intercalated and Superconducting Fullerenes

Buntar¹,

Sauerzopf²,

Weber³

1997

Aust. J. Phys.

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A review of some of the solid state and the magnetic properties of fullerenes is presented. We summarise and discuss experimental results on magnetism of pure C60, C70 and higher fullerenes. The main features of the structure and the magnetic properties of intercalated fullerenes, such as metallofullerenes, TDAE-C60 and polymeric A1C60, are presented. Attention is also paid to the mixed state properties of fullerene superconductors, especially to the evaluation of the critical fields and the characteristic lengths of these materials. Some new experimental results on this subject are also presented.

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Section: (3a) Magnetic Fullerene Derivative Tdae-c 60mentioning

confidence: 53%

Section: (3a) Magnetic Fullerene Derivative Tdae-c 60mentioning

confidence: 65%

Solid State and Magnetic Properties of Pure, Intercalated and Superconducting Fullerenes

Buntar¹,

Sauerzopf²,

Weber³

1997

Aust. J. Phys.

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“…The fullerene-based charge-transfer salt C 60 . TDAE has been described as a ferromagnet below 16.1 K [6], but also as a spin-glass [7] and a superparamagnet [8]. Some of us have recently reported the synthesis of the dithiadiazolyl radical p-NC.C 6 F 4 .CNSSN .…”

mentioning

confidence: 99%

High-Temperature Magnetic Ordering in a New Organic Magnet

et al. 1997

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“…The shortest C60-C60 distance is 9.95Å (along c) which implies that there are no polymer bonds between the neighboring C60 ions. ESR studies of TDAE-C60 have shown that the unpaired electron is mainly localized on the C60 ion [2]. The transport measurements of TDAE-C60 down to 110 K showed insulating behavior with phonon-assisted polaronic hopping between relatively weak coupled C60 ions [3].…”

Section: Introductionmentioning

confidence: 99%

Low temperature raman spectra on tdae-c60 single crystals

et al. 1997

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Low-temperature single crystal Raman spectra are presented for the organic ferromagnetic insulator TDAE-C60. The mode intensities, lineshifts, linewidths and depolarization ratios are compared with alkali-doped fullerene materials and with pure C60. A comparison of visible laser light excited spectra (Eexc. = 2.41 eV) with infrared excited Raman measurements (Eexc. = 1.17 eV) shows a selective resonance effect whereby in the visible, a frequency shift of only the tangential modes is observed, while in the infraredwhich is resonant with the t1u → t1g electronic transition -also the radial modes are observed to shift. The effect is attributed to Raman resonance with different relaxed states of C60 anion.

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Magnetic properties of TDAE-C60and TDAE-C70, where TDAE is tetr

Cited by 129 publications

References 22 publications

Solid State and Magnetic Properties of Pure, Intercalated and Superconducting Fullerenes

Solid State and Magnetic Properties of Pure, Intercalated and Superconducting Fullerenes

High-Temperature Magnetic Ordering in a New Organic Magnet

Low temperature raman spectra on tdae-c60 single crystals

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