Application of ESR to high-T_c superconductors and related materials IV. Alkali K doping efFects on the superconducting characteristics of K_3C_(60)

K. Sugawara; N. Ohya; N. Arai; S. Ichimura; K. Yamamoto; H. Hirose

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Application of ESR to high-T_c superconductors and related materials IV. Alkali K doping efFects on the superconducting characteristics of K_3C_(60)

机译：ESR在高T_c超导体及相关材料中的应用IV。碱钾掺杂对K_3C_（60）的超导特性的影响

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Several samples of K_3C_(60) have been made by the calcination of C_(60) powder plus K flakes in evacuated quartz tubes at temperatures between 100 deg C and 700 deg C for 24 hours. The non-resonant microwave absorption (NRMA) measurements have been done below T_c for these samples. From the linewidths and intensities of the NRMA signals, the superconducting properties (T_c superconducting volume fraction and vortex size) have been studied as a function of the calcination temperature.

机译：K_3C_（60）的几个样品是通过在真空石英管中于100℃至700℃之间的温度下煅烧C_（60）粉末和K片进行24小时的煅烧而制得的。对于这些样品，已经在T_c以下进行了非共振微波吸收（NRMA）测量。根据NRMA信号的线宽和强度，已研究了超导特性（T_c超导体积分数和涡旋尺寸）与煅烧温度的关系。

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《Modern Physics Letters, B. Condensed Matter Physics, Statistical Physics, Applied Physics》 |1999年第2期|共11页
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K. Sugawara; N. Ohya; N. Arai; S. Ichimura; K. Yamamoto; H. Hirose;
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1. Application of ESR to high-T_c superconductors and related materials IV. Alkali K doping efFects on the superconducting characteristics of K_3C_(60) [J] . K. Sugawara, N. Ohya, N. Arai, Modern Physics Letters, B. Condensed Matter Physics, Statistical Physics, Applied Physics . 1999,第2期

机译：ESR在高T_c超导体及相关材料中的应用IV。碱钾掺杂对K_3C_（60）的超导特性的影响
2. Application of ESR to high-T_c superconductors and related materials II. ESR of Cu~(2+) as a probe of crystal growth rates of Y_2BaCuO_5 in the melts of Y_(1.8)Ba_(2.4)Cu_(3.4)O_x [J] . K. Yamamoto, S. Kawashima, K. Hotta, Modern Physics Letters, B. Condensed Matter Physics, Statistical Physics, Applied Physics . 1999,第2期

机译：ESR在高T_c超导体及相关材料中的应用II。 Y〜（1.8）Ba_（2.4）Cu_（3.4）O_x熔体中Y_2BaCuO_5晶体生长速率的探针Cu〜（2+）的ESR
3. Application of ESR to high-T_c superconductors and related materials III. Crystal growth rates of Y_2BaCuO_5 in the melts of Y_(1+2n)Ba_(2+n)Cu_(3+n)O_x (n = 0 - 0.4) subjected to high temperatures [J] . K. Yamamoto, N. Arai, K. Hotta, Modern Physics Letters, B. Condensed Matter Physics, Statistical Physics, Applied Physics . 1999,第2期

机译：ESR在高T_c超导体及相关材料中的应用III。 Y_（1 + 2n）Ba_（2 + n）Cu_（3 + n）O_x（n = 0-0.4）的熔体中Y_2BaCuO_5的晶体生长速率
4. SUPERCONDUCTING TRANSITION METAL BOROCARBIDES Challenging materials in between traditional superconductors and high-T_c cuprates [C] . H. ESCHRIG, S.V. SHULGA, H. ROSNER, NATO Advanced Study Institute on High-Tc Superconductors and Related Materials . 2001

机译：超导过渡金属硼化物在传统超导体和高T_C铜酸盐之间挑战材料
5. Photoemission studies of high critical transition temperature superconductors: Doping dependences, Fermi surfaces, superconducting gaps, and metal-superconductor interfaces. [D] . Dessau, Daniel Stephen. 1993

机译：高临界转变温度超导体的光发射研究：掺杂依赖性，费米表面，超导间隙和金属-超导体界面。
6. Superconducting materials: Challenges and opportunities for large-scale applications [O] . Chao Yao, Yanwei Ma 2021

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7. Planar hole-doping concentration and effective three-dimensional hole-doping concentration for single-layer high-T_c superconductors [O] . 本間, 龍也, ホンマ, タツヤ, Honma, Tatsuya, 2007

机译：单层高T_c超导体的平面空穴掺杂浓度和有效三维空穴掺杂浓度
8. Pressure studies of alkali, alkaline earth and rare earth doped C(sub 60) superconductors [R] . Schirber, JE, Bayless, W R, Kortan, A R, 1994

机译：碱，碱土和稀土掺杂C（sub 60）超导体的压力研究

Application of ESR to high-T_c superconductors and related materials IV. Alkali K doping efFects on the superconducting characteristics of K_3C_(60)

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