|
Special Issue:
Virtual Special Topic — High temperature superconductivity
|
|
|
|
Multiband nodeless superconductivity near the charge-density-wave quantum critical point in ZrTe3-xSex |
| Shan Cui(崔珊)1, Lan-Po He(何兰坡)1, Xiao-Chen Hong(洪晓晨)1, Xiang-De Zhu(朱相德)2,4, Cedomir Petrovic4, Shi-Yan Li(李世燕)1,3 |
1 State Key Laboratory of Surface Physics, Department of Physics, and Laboratory of Advanced Materials, Fudan University, Shanghai 200433, China;
2 High Magnetic Field Laboratory, Chinese Academy of Sciences and University of Science and Technology of China, Hefei 230031, China;
3 Collaborative Innovation Center of Advanced Microstructures, Nanjing 210093, China;
4 Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, New York 11973, USA |
|
|
|
|
Abstract It was found that selenium doping can suppress the charge-density-wave (CDW) order and induce bulk superconductivity in ZrTe3. The observed superconducting dome suggests the existence of a CDW quantum critical point (QCP) in ZrTe3-xSex near x ≈ 0.04. To elucidate the superconducting state near the CDW QCP, we measure the thermal conductivity of two ZrTe3-xSex single crystals (x = 0.044 and 0.051) down to 80 mK. For both samples, the residual linear term κ0/T at zero field is negligible, which is a clear evidence for nodeless superconducting gap. Furthermore, the field dependence of κ0/T manifests a multigap behavior. These results demonstrate multiple nodeless superconducting gaps in ZrTe3-xSex, which indicates conventional superconductivity despite of the existence of a CDW QCP.
|
Received: 19 May 2016
Accepted manuscript online:
|
|
PACS:
|
74.25.fc
|
(Electric and thermal conductivity)
|
| |
74.40.Kb
|
(Quantum critical phenomena)
|
| |
74.25.Jb
|
(Electronic structure (photoemission, etc.))
|
| |
74.25.Op
|
(Mixed states, critical fields, and surface sheaths)
|
|
| Fund: Project supported by the National Basic Research Program of China (Grant Nos. 2012CB821402 and 2015CB921401), the National Natural Science Foundation of China (Grant Nos. 91421101, 11422429, and 11204312), the Program for Professor of Special Appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning, China, and STCSM of China (Grant No. 15XD1500200). Work at Brookhaven National Laboratory was supported by the US DOE under Contract No. DESC00112704. |
Corresponding Authors:
Shi-Yan Li
E-mail: shiyan_li@fudan.edu.cn
|
Cite this article:
Shan Cui(崔珊), Lan-Po He(何兰坡), Xiao-Chen Hong(洪晓晨), Xiang-De Zhu(朱相德), Cedomir Petrovic, Shi-Yan Li(李世燕) Multiband nodeless superconductivity near the charge-density-wave quantum critical point in ZrTe3-xSex 2016 Chin. Phys. B 25 077403
|
| [1] |
Wilson J A, Di Salvo F J and Mahajan S 1975 Adv. Phys. 24 117
|
| [2] |
Kim S J, Park S J, Jeon I C, Kim C H, Pyun C H and Yee K A 1997 J. Phys. Chem. Solids 58 659
|
| [3] |
Di Salvo F J, Moncton D E and Waszczak J V 1976 Phys. Rev. B 14 4321
|
| [4] |
Boswell F and Bennett J C 1996 Mater. Res. Bull. 31 1083
|
| [5] |
Morosan E, Zandbergen H W, Dennis B S, Bos J W G, Onose Y, Klimczuk T, Ramirez A P, Ong N P and Cava R J 2006 Nat. Phys. 2 544
|
| [6] |
Kusmartseva A F, Sipos B, Berger H, Forro L and Tutis E 2009 Phys. Rev. Lett. 103 236401
|
| [7] |
Sipos B, Kusmartseva A F, Akrap A, Berger H, Forro L and Tutis E 2008 Nat. Mater. 7 960
|
| [8] |
Hoesch M, Garbarino G, Battaglia C, Aebi P and Berger H 2016 Phys. Rev. B 93 125102
|
| [9] |
Norman M R 2011 Science 332 196
|
| [10] |
Yamaya K, Takayanagi S and Tanda S 2012 Phys. Rev. B 85 184513
|
| [11] |
Furuseth S, Brattas L and Kjekshus A 1975 Acta Chem. Scand. A 29 623
|
| [12] |
Eaglesham D J, Steeds J W and Wilson J A 1984 J. Phys. C: Solid State Phys. 17 L697
|
| [13] |
Zhu X D, Lei H C and Petrovic C 2011 Phys. Rev. Lett. 106 246404
|
| [14] |
Lei H C, Zhu X D and Petrovic C 2011 Europhys. Lett. 95 17011
|
| [15] |
Yamaya K, Yoneda M, Yasuzuka S, Okajima Y and Tanda S 2002 J. Phys.: Condens. Matter 14 10767
|
| [16] |
Zhu X Y, Lv B, Wei F Y, Xue Y Y, Lorenz B, Deng L Z, Sun Y Y and Chu C W 2013 Phys. Rev. B 87 024508
|
| [17] |
Zhu X D, Ning W, Li L J, Ling L S, Zhang R R, Wang K F, Liu Y, Pi L, Ma Y C, Du H F, Tian M L, Sun Y P, Petrovic C and Zhang Y H 2016 Sci. Rep. accepted
|
| [18] |
Shakeripour H, Petrovic C and Taillefer L 2009 New J. Phys. 11 055065
|
| [19] |
Sutherland M, Hawthorn D G, Hill R W, Ronning F, Wakimoto S, Zhang H, Proust C, Boaknin E, Lupien C and Taillefer L 2003 Phys. Rev. B 67 174520
|
| [20] |
Li S Y, Bonnemaison J B, Payeur A, Fournier P, Wang C H, Chen X H and Taillefer L 2008 Phys. Rev. B 77 134501
|
| [21] |
Proust C, Boaknin E, Hill R W, Taillefer L and Mackenzie A P 2002 Phys. Rev. Lett. 89 147003
|
| [22] |
Suzuki M, Tanatar M A, Kikugawa N, Mao Z Q, Maeno Y and Ishiguro T 2002 Phys. Rev. Lett. 88 227004
|
| [23] |
Lowell J and Sousa J B 1970 J. Low. Temp. Phys. 3 65
|
| [24] |
Boaknin E, Tanatar M A, Paglione J, Hawthorn D, Ronning F, Hill R W, Sutherland M, Taillefer L, Sonier J, Hayden S M and Brill J W 2003 Phys. Rev. Lett. 90 117003
|
| [25] |
Scalapino D J, Loh E and Hirsch J E 1987 Phys. Rev. B 35 6694
|
| [26] |
Merino J and McKenzie R H 2001 Phys. Rev. Lett. 87 237002
|
| [27] |
Li S Y, Wu G, Chen X H and Taillefer L 2007 Phys. Rev. Lett. 99 107001
|
| No Suggested Reading articles found! |
|
|
Viewed |
|
|
|
Full text
|
|
|
|
|
Abstract
|
|
|
|
|
Cited |
|
|
|
|
Altmetric
|
|
blogs
Facebook pages
Wikipedia page
Google+ users
|
Online attention
Altmetric calculates a score based on the online attention an article receives. Each coloured thread in the circle represents a different type of online attention. The number in the centre is the Altmetric score. Social media and mainstream news media are the main sources that calculate the score. Reference managers such as Mendeley are also tracked but do not contribute to the score. Older articles often score higher because they have had more time to get noticed. To account for this, Altmetric has included the context data for other articles of a similar age.
View more on Altmetrics
|
|
|
