High-efficiency deposition of 2-in. double-sided YBCO thin films in batch with pulsed inject MOCVD

Chen, R.; Tao, Bowan; Zhao, Ruwei; He, GuoXian; Cheng, Zhigang; Lu, Xueqiang

doi:10.1016/j.physc.2020.1353604

Cited by 4 publications

(3 citation statements)

References 28 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Two types of Mg-doped NdBCO thin films (300 nm), with and without the YBCO buffer layer (30 nm), were prepared on MgO substrates by Metal-Organic Chemical Vapor Deposition (MOCVD) method. 15 X-ray diffraction (XRD) patterns were recorded, and the in-plane alignments were detected by pole figure analysis. Studies on the thermal stability of Mg-doped NdBCO thin films were conducted under different T max by means of TSMG experiments on the SmBCO system.…”

Section: Methodsmentioning

confidence: 99%

Superheating nature coupled with Mg‐doping effect of high thermal stable NdBa₂Cu₃O_7‐δ film

et al. 2020

View full text Add to dashboard Cite

NdBa2Cu3O7‐δ thin film deposited on a MgO substrate has been verified to remain solid above its peritectic melting temperature (Tp). Such a superheating nature is attributed to its low energy surface and epitaxial interface with substrate. Here, combining superheating nature with doping effect, we report a novel structure, Mg‐doped NdBa2Cu3O7‐δ film with YBa2Cu3O7‐δ buffer layer for the first time. Remarkably, this film presents a higher thermal stability level than heretofore possible when acting as a seed for preparing SmBa2Cu3O7‐δ bulks by melt growth, enduring a temperature of 1128°C, 43 K above its Tp for 1 hour. The utilization of such a high Tmax in melt growth is beneficial to the fabrication of large‐sized and high‐performance bulk in terms of effectively broadening the growth window and suppressing the heterogeneous nucleation. More importantly, some high thermal stability required technological applications, such as batch growth and failed bulk recycling, are likely to be realized by this novel Mg‐doped NdBa2Cu3O7‐δ film seed. Finally, we show how the observed metastable phase is linked to the distinctive film architecture.

show abstract

Section: Methodsmentioning

confidence: 99%

Superheating nature coupled with Mg‐doping effect of high thermal stable NdBa₂Cu₃O_7‐δ film

et al. 2020

View full text Add to dashboard Cite

show abstract

“…A solution to this problem is to grow 4-5 µm thick REBCO films on both sides of the substrate. Double-sided YBCO films up to 0.5 µm thickness have been demonstrated on 50 mm wafers by pulsed laser deposition and sputtering [18][19][20]. Recently, the ohmic heating technique has been used to fabricate double-sided Y(Gd)BCO coated conductor by MOCVD [21].…”

Section: Introductionmentioning

confidence: 99%

High-current, double-sided REBCO tapes by advanced MOCVD

Paidpilli

Sandra

Sarangi

et al. 2023

Supercond. Sci. Technol.

View full text Add to dashboard Cite

An approach to fabricate double-sided, high-current RE-Ba2Cu3O7-δ(REBCO) tapes for use in ultrahigh-field superconducting magnets operating at and above 20 T is demonstrated. In this work, we modified our advanced metal organic chemical vapor deposition (A-MOCVD) reactor to deposit REBCO films on each side of a double-sided buffer substrate in a single pass. The composition, thickness and critical current (Ic) of 1-µm-thick REBCO films on each side of the double-sided tapes are compared. Double-sided REBCO tape with 2-µm-thick films on each side showed self-field critical current density (Jc) over 2.6 MA/cm2 at 77 K and 0 T. 15%-Zr-added double-sided REBCO tape showed Ic over 530 A/4mm at 20 K, 20 T.

show abstract

“…Функциональные материалы, в том числе пасты для 3D-печати сверхпроводящих деталей, для создания компонент электроники и электроэнергетики получают [5][6][7][8][9][10][11][12][13][14][15] в виде тонких пленок и покрытий, микро-и нанокристаллических керамик, текстурированных образцов и монокристаллов. В свою очередь тонкие пленки и покрытия получают осаждением из растворов или распылением керамических мишеней.…”

Section: Introductionunclassified

Effect of Heat Treatment on Changes in the Structure of YBCO Superconducting Powders

Rabadanova¹,

Палчаев²,

Рабаданов³

et al. 2021

HDSU

View full text Add to dashboard Cite

Изготовлены порошки с номинальным содержанием фазы YBCO и оптимально насыщенные кислородом методом твердофазного синтеза с использованием оксидов Y 2 O 3 , BaCO 3 и CuO. Спекание образцов проводилось в температурном и временном интервале от 900 до 936 ºС в 7 этапов в течение ~10-25 часов на каждом этапе. Проведены комплексные исследования структуры, морфологии и спектров комбинационного рассеяния. Изготовленные образцы преимущественно обладают орторомбической сверхпроводящей фазой с высоким содержанием кислорода. Максимальное содержание соединения YBa 2 Cu 3 O 7-(до ~95 %) достигалось после спекания при 936 ºС. Спектры комбинационного рассеяния демонстрируют характерные для состава YBCO колебательные моды: режим O(4)-A g в интервале от ~479 до ~496 см -1 ; режим O(2, 3)-A g в области от ~436 см -1 до ~447 см -1 ; режим O(2, 3)-B lg в интервале от ~307.5 см -1 до ~334 см -1 . Выполнены оценки содержания кислорода в образцах различными методами. Установлено, что концентрация кислорода в межгранульных средах оказалась ниже в среднем на ~5 %, чем в объеме.

show abstract

High-efficiency deposition of 2-in. double-sided YBCO thin films in batch with pulsed inject MOCVD

Cited by 4 publications

References 28 publications

Superheating nature coupled with Mg‐doping effect of high thermal stable NdBa₂Cu₃O_7‐δ film

Superheating nature coupled with Mg‐doping effect of high thermal stable NdBa₂Cu₃O_7‐δ film

High-current, double-sided REBCO tapes by advanced MOCVD

Effect of Heat Treatment on Changes in the Structure of YBCO Superconducting Powders

Contact Info

Product

Resources

About

High-efficiency deposition of 2-in. double-sided YBCO thin films in batch with pulsed inject MOCVD

Cited by 4 publications

References 28 publications

Superheating nature coupled with Mg‐doping effect of high thermal stable NdBa2Cu3O7‐δ film

Superheating nature coupled with Mg‐doping effect of high thermal stable NdBa2Cu3O7‐δ film

High-current, double-sided REBCO tapes by advanced MOCVD

Effect of Heat Treatment on Changes in the Structure of YBCO Superconducting Powders

Contact Info

Product

Resources

About

Superheating nature coupled with Mg‐doping effect of high thermal stable NdBa₂Cu₃O_7‐δ film

Superheating nature coupled with Mg‐doping effect of high thermal stable NdBa₂Cu₃O_7‐δ film