|
Hokkaido University Collection of Scholarly and Academic Papers >
Graduate School of Engineering / Faculty of Engineering >
Peer-reviewed Journal Articles, etc >
Fe-Mn-Si合金およびMnまたはV添加Fe3Si化合物の熱電能
| Title: | Fe-Mn-Si合金およびMnまたはV添加Fe3Si化合物の熱電能 |
| Other Titles: | Thermoelectric properties of Fe-Mn-Si alloys and compound Fe3Si doped with Mn and Mn and V |
| Authors: | 辻, 隆之1 Browse this author | | 鈴木, 亮輔2 Browse this author →KAKEN DB | | 小野, 勝敏3 Browse this author |
| Authors(alt): | Tsuji, Takayuki1 | | Suzuki, Ryosuke O.2 | | Ono, Katsutoshi3 |
| Keywords: | thermoelectric property | | Seebeck coefficient | | thermal conductivity | | ordered phase | | DO3 structure | | Heusler alloy | | Heusler alloy | | iron-manganese-silicon alloy | | iron-vanadium-silicon alloy |
| Issue Date: | 1-Nov-1999 |
| Publisher: | 日本金属学会 |
| Journal Title: | 日本金属学会誌 |
| Journal Title(alt): | Journal of the Japan Institute of Metals |
| Volume: | 63 |
| Issue: | 11 |
| Start Page: | 1435 |
| End Page: | 1442 |
| Publisher DOI: | 10.2320/jinstmet1952.63.11_1435 |
| Abstract: | Thermoelectric properties of Fe3Si with the DO3 structure where some Fe were replaced with Mn and V were examined. By adding 5 mol%Mn or V, the Seebeck coefficients, α, reach the maximum values of about+22.5 μV/K, while they decreased to a large negative value by the further replacement of Fe by these transition elements. The minimum values of α were −36 μV/K and −45 μV/K at Fe-30 mol%Mn-25 mol%Si and Fe-20 mol%V-25 mol%Si, respectively. These values are smaller than the minimum value reported for the iron-based alloys. The compositional dependency of α corresponds to the fact that the added transition metal atoms replaced iron atoms at a particular site in the DO3 lattice. By combining an approximate model approximation suitable for simple metals and the density of state reported, however, the obtained compositional dependency of thermoelectricity could not be explained. The absolute values of α in the Fe-Mn-Si system were small, both in the samples with the α-Fe solid solution and with the γ-Fe solid solution. |
| Type: | article |
| URI: | http://hdl.handle.net/2115/74867 |
| Appears in Collections: | 工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
|
Submitter: 鈴木 亮輔
|
