Designer Magnetoplasmonics with Nickel Nanoferromagnets

被引：199

作者：

Bonanni, Valentina ^{[1
,2
]}

Bonetti, Stefano ^{[2
]}

Pakizeh, Tavakol ^{[3
]}

Pirzadeh, Zhaleh ^{[1
]}

Chen, Jianing ^{[4
,5
,6
]}

Nogues, Josep ^{[7
,8
,9
]}

Vavassori, Paolo ^{[4
,10
]}

Hillenbrand, Rainer ^{[4
,10
]}

Akerman, Johan ^{[2
,11
]}

Dmitriev, Alexandre ^{[1
]}

机构：

[1] Chalmers, Dept Appl Phys, S-41296 Gothenburg, Sweden

[2] KTH Royal Inst Technol, Sch Informat & Commun Technol, Kista, Sweden

[3] KN Toosi Univ Technol, Fac Elect & Comp Engn, Tehran 16314, Iran

[4] CIC NanoGUNE Consolider, Donostia San Sebastian 20018, Spain

[5] CSIC UPV EHU, Ctr Fis Mat, Donostia San Sebastian 20018, Spain

[6] Donostia Int Phys Ctr DIPC, Donostia San Sebastian 20018, Spain

[7] Univ Autonoma Barcelona, ICN, Bellaterra, Barcelona, Spain

[8] CIN2 ICN CSIC, Bellaterra, Barcelona, Spain

[9] ICREA, Barcelona, Spain

[10] Basque Fdn Sci, IKERBASQUE, Bilbao 48011, Spain

[11] Univ Gothenburg, Dept Phys, S-41296 Gothenburg, Sweden

来源：

NANO LETTERS | 2011年 / 11卷 / 12期

基金：

瑞典研究理事会;

关键词：

Localized surface plasmon resonance; magnetic nanoparticles; magnetoplasmonics; magneto-optical effect; Kerr rotation; ENHANCED MAGNETOOPTICS; ARRAYS;

D O I：

10.1021/nl2028443

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We introduce a new perspective on magnetoplasmonics in nickel nanoferromagnets by exploiting the phase tunability of the optical polarizability due to localized surface plasmons and simultaneous magneto-optical activity. We demonstrate how the concerted action of nanoplasmonics and magnetization can manipulate the sign of rotation of the reflected light's polarization (i.e., to produce Kerr rotation reversal) in ferromagnetic nanomaterials and, further, how this effect can be dynamically controlled and employed to devise conceptually new schemes for biochemosensing.

引用

页码：5333 / 5338

页数：6

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