Taiwan SIKA project

NSRRC, Neutron Group, SIKA instrument scientist

Dr. Shin-ichiro Yano.

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Taiwan neutron SIKA project

Who we are

What we can do

How you can use us

W

Taiwan neutron SIKA project

Who we are

What we can do

What you can use us NSRRC neutron

Group

We are stationed at ANSTO, Bragg institute, Sydney Australia

NSRRC neutron group

• Jason Gardner駐澳 Group

Leader ( 研究員 )

• SIKA: 吳浚銘 (Dr. Chun-Ming Wu)

• Powder Diffraction: 王進威 (Dr. Chin-Wei Wang)

• Soft matter scientist: 朱哲毅 (Dr. Che-Yi Chu)

• Hard matter scientist: 矢野真一郎 (Dr. Shin-ichiro

Yano)

駐澳Instrument Scientists

( 助研究員 )

• 彭仁志 ( Hanz Peng)駐澳儀控工程師

Engineer

http://nsrrc.com/neutron/

Our people

http://nsrrc.com/neutron/For your information

W

Taiwan neutron SIKA project

Who we are

What we can do

What you can use us NSRRC neutron

Group

Neutron scattering SIKA

Triple axis spectrometer SIKAThe SIKA’s dance floor consist of 34 solid granite tiles. The instrument could be used for both thermal cold neutron TAS. The best energy resolution of 0.0275 meV (FWHM) is provided at Ei= 2.6 meV

Agreement signed off between ANSTO and NCU.

2005 2014

Final assembled SIKA

Design phase Construction phase Commissioning phase

2009 2012 2013

Operation

07/20

06 SIKA t

eam fo

rmed

11/20

09 D

ance

floor

levele

d

11/20

10 Prim

ary sh

ieldin

g ins

talled

03/20

11 2

nd spec

tromete

r ass

emble

d

02/20

12 Sam

ple st

age a

rrived

08/20

12 Fi

nal a

ssem

bling

done

10/20

13 H

ot co

mmission

licen

se is

sued

First inelastic result

01/20

14 Fi

rst ho

t com

mission

expe

rimen

t

05/20

13 SIKA t

ransfe

rs to

NSRRC

04/20

13 Ja

son G

ardne

r as G

roup L

eade

r

2015

05/20

15 In

terna

tiona

l use

r prog

ram

NSRRC User Office Opens

Taiwan neutron SIKA project

First Program Advisory Committee

The cold triple axis spectrometer SIKA

We are currently working hard to get background down to be a world top class cold triple axis spectrometer

Located at ANSTO-Bragg institute

J1 = 0.050 meV J2 = 0.143 meVD = 0.163 meV

MnF2

Cold Triple axis in the world

LTAS, C11(stopped, JRR3M)

CTAS(under commission, HANARO)

SIKA(User program since 2015 July)

CHINA(construction, CARR)

PANDA(Germany FRM-II)

IN14(Frence ILL)

SIKA will be very important1. Only one Cold TAS starts user program in Asia-Oceania area soon

2. Neutron flux at sample position is (will be) good

MACS, SPINS(NIST,NCNR)

CTAX(HIFR,ORNL)

Neutron communities (Potential Users)

Asia-Oseania Neutron Scattering Association(the 2nd Conference took place in Sydney, Australia in 2015.)

CNSSJSNS

TWNSS

KNBUA

ANBUS(Australia)

• A number of users from Taiwan• Contribution to Asia- Oceania area

Some Statistics (Principal Investigators) 2015-2 cycle110 days requested

2016-1cycle119 days requested

(now in program) (under review)

Japan10 %

China 35 %

Australia 15 %NSRRC

27 %

NCU 13 %

Australia 29 %

China 23 %

NSRRC 17 %

TamkangDongHwa 19 %

Hong Kong 8 % Jpn

4%

Approved 50 days => demand/supply = 2.2

Taiwan has 150 days of beam time for internal use

Our beam time

Soft matterThin film

Condensed matterDiffraction

Condensed matter physics inelastic scattering

~20 days ~30 days~100 days

Membranes

38 40

0.4

0.6

0.8

(001) 0.313 (71) (110) 0.252 (65)In

tens

ities

(cou

nts/

mon

itor)

Temperature (K)

0 100 200 300 400 500 600 700 80035

36

37

38

39

40

41

42

LixC54

LiC12

Discharge Phase - Charge Phase - Relaxation Phase

2 Th

eta

(deg

)

LiC6

Minutes0.05 0.10 0.15 0.20 0.25 0.30

0

2

4

6

8

10

12

h (A-1)

e (m

eV)

Al Phonon

MnF2 Magnon

NiS2 Critical scattering

Li BatteryLipid Lamella

Code Name Description Temp- range

AVM-112T asym., vertical field magnet

12 Tesla vertical field re-condensing magnet: 0.5T/min; it can accommodate dilution fridge. 1.5K - 300K

CF-1 Cryofurnace, bottom loader

Standard bottom loader for SIKA can reach 750K with high T insert; Can be used with electric field equipment. 8K - 750K

CF-3 Cryofurnace, bottom loader

Pooled bottom loader for general use can reach 750K with the high T insert 5K- 750K

CF-4 Cryocooler, bottom loader

Bottom loader can be used with electric field equipment or with 8T vertical field cryomagnet. 5K - 300K

CF-7 Top loading, cryofurnace

Top Loading AS Scientific Cryofurnace, it can reach 750K with full rang sample stick. 4K to 450K

CF-9 Top loading, cryofurnace

Top Loading cryostat, it can be used with 8T vertical field cryomagnet. 2K to 300K

DL-1 Dilution fridge Dilution fridge can be used drop the minimum temperature to 0.05K 0.05K

OC-1 Orange Cryostat LHe wet cryostat 1.5K - 300K

OS-1 He-3 one-shot fridge

Helium 3 cooled one shot fridge to be used with the orange cryostat OC-1 0.5K for 8 hrs

Sample Environment (ANSTO)

But, it is probably better we have our own cryostat!!

28 29 30 310

1

2

3

4

(001) (110) In

tens

ities

(cou

nts/

mon

itor)

Temperature (K)

Diffraction on NiS2

1

2

3

4

(0.5 0.5 0.5)

0

1

2

3

4 (100) (011)

Inte

nsity

(cou

nts/

mon

itor)

25 30 35 40 455

10

15

20

(111) (200)

Temperature (K)

Background

M2

M2

M2

M1 BG

Nuclear

M2 phase only @(0.5 0.5 0.5) with β = 0.223(29) @(1 1 1) with β = 0.219(54)@(2 0 0) with β = 0.227(37)

38 40

0.4

0.6

0.8

(001) 0.313 (71) (110) 0.252 (65)In

tens

ities

(cou

nts/

mon

itor)

Temperature (K)

M1

M2

28 29 30 310

1

2

3

4

(0.5 0.5 0.5) In

tens

ity (c

ount

s/m

onito

r)

Temperature (K)

28 29 30 315

10

15

20

(111) with (200)with

M. Matsuura et al. PRB 68 094409 (2003)

M1 β = 0.306(3) M2 β = 0.220(10)

M1 + M2 phasek = 0 0 0 @(1 0 0) β = 0.313(71) @(0 1 1) β = 0.252(65)k = 0.5 0.5 0.5@(1 0 0) with β = 0.194(53)@(0 1 1) with β = 0.246(50)

J1 = 0.050 meV J2 = 0.143 meVD = 0.163 meV

Aluminum (Al) phonon dispersion

0.05 0.10 0.15 0.20 0.25 0.30

0

2

4

6

8

10

12

h (A-1)

e (m

eV)

MnF2 magnon dispersion

hωq = 16*s*J2{(1+ζ)2-γ2}1/2

◦ s = 5/2, z1(nearest)=2, z2(next nearest) = 8,

ζ = [D+8*s*J1sin2(1/2*qz*c)]/16*s*J2

γ = cos2(1/2*qz*a)

Ineslastic neutron scattering

SAXS PatternLipid Lamella Structure

On SIKA

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Taiwan neutron SIKA project

Who we are

What we can do

What you can use us

NSRRC neutron Group

Neutron scattering

NSRRC proposal system

Beam time application

You can also consult with our group for your proposal

Neutron facilitiesJ-PARC, ISIS, ORNL,ILL, ANSTO, and so on

We have practice round for proposals

Bragg institute

SANS workshop at NSRRC, 2014

Excitation Workshop at NCKU, 2014

SIKA 1st International User Program May 2015

Thank you for your attention!!