✦ LIBER ✦

Specific heat of glassy carbon between 0.4° and 4.5°K—I

✍ Scribed by A.S. Vagh; B. Carton; S. Mrozowski

Publisher: Elsevier Science
Year: 1974
Tongue: English
Weight: 417 KB
Volume: 12
Category: Article
ISSN: 0008-6223
DOI: 10.1016/0008-6223(74)90089-x

No coin nor oath required. For personal study only.

✦ Synopsis

The specific heat of Glassy Carbon was investigated in the temperature range from 0~4"-4~5"K. Samples of Glassy Carbon heat-treated to 1000°C (GCIO) were prepared in form of tubes by the Tokai Electrode Manufacturing Company of Japan. They were heat-treated to various temperatures up to 3200°C in our graphite tube furnace. It was found that above 2"K, all samples follow the relation C = yT + aT3, with y going through a strong maximum and LY varying only slightly with increase in heat-treatment temperature. On the average the cubic term a! is about the same as for soft carbons heat-treated to lOOO-1250°C. In the lower temperature range evidence of a specific heat peak located below 0~4°K is obtained. The observed high temperature tail of the peak increases and then decreases in parallel with changes of the linear term y. The room temperature specific heat of Glassy Carbon changes very little with heat-treatment giving evidence of the nongra~~iti~abiIity of this material.

📜 SIMILAR VOLUMES

Specific heat of glassy carbon between 0

Specific heat of glassy carbon between 0.4° and 4.5°K—II

✍ S. Mrozowski; S. Orzeszko; A.S. Vagh 📂 Article 📅 1974 🏛 Elsevier Science 🌐 English ⚖ 435 KB

## Glassy Carbon heat-treated to 3000°C (GC30), for which the specific heat follows from 5°K down to 0.4'K the'relation C = yT + ruT', was neutron irradiated in the Western New York reactor to different doses (20, 50, 125, 300 and 1250 hr.). In the He4 range of temperature, the coefficient y incre

Specific heat of soft carbons between 0.

Specific heat of soft carbons between 0.4 and 4.5°K—III

✍ S. Mrozowski; A.S. Vagh 📂 Article 📅 1976 🏛 Elsevier Science 🌐 English ⚖ 924 KB

A more extensive and thorough investigation of the specific heat of two series of soft carbons heattreated to various temperatures from 600 to 3OOO'C and of a series of samples of an AS graphite neutron irradiated to various doses, was carried out. In particular, efforts were concentrated on mapping

Specific heat of soft carbons between 0.

Specific heat of soft carbons between 0.6° and 4.2° K—I

✍ Pierre Delhaes; Yoshihiro Hishiyama 📂 Article 📅 1970 🏛 Elsevier Science 🌐 English ⚖ 731 KB

The specific heat of soft carbon heat-treated to temperatures between 1600" and 3100°C was investigated between O-57" and 4.2"K. As HTT decreases a large increase in the component of the speciftc heat varying linearly with T is observed as well as in the non-linear component. The linear component se

148. Specific heat of soft carbons at lo

148. Specific heat of soft carbons at low temperatures (0.5°–4.2°K) Part I

✍ P Delhaes; Y Hishiyama 📂 Article 📅 1969 🏛 Elsevier Science 🌐 English ⚖ 125 KB

Zishment, Netherlund). The lattice thermal expansion perpendicular and parallel to the basal planes of different pyrocarbon structures formed in a ff uidized bed has been measured by X-ray diffraction over the temperature range ZOO-1200°C. The results are correlated to the structuraf parameters char

149. Specific heat of soft carbons at lo

149. Specific heat of soft carbons at low temperatures (0.5°-4.2°K) Part II

✍ Y Hishiyama; E Kluth; A.S Vagh 📂 Article 📅 1969 🏛 Elsevier Science 🌐 English ⚖ 125 KB

Specific heat of an irradiated graphite

Specific heat of an irradiated graphite between 1·4 and 4·4°K in presence of a strong magnetic ld

✍ P. Delhaes; J.M. Lemerle; G. Blondet-Gonte 📂 Article 📅 1972 🏛 Elsevier Science 🌐 English ⚖ 129 KB

Neu! Y&Z). In extension of the work of Delhaes and Hisiyama\* measurements of specific heat in the range @5-5°K were carried out on soft carbons heattreated in the range 6~)-1600°C. A largp increase in the linear component with decrease in HTT is observed as well as also in the cubic component. The